merge in jb-release history after reset to jb-dev
diff --git a/core/java/android/net/NetworkStats.java b/core/java/android/net/NetworkStats.java
index fb7a4f8..844d055 100644
--- a/core/java/android/net/NetworkStats.java
+++ b/core/java/android/net/NetworkStats.java
@@ -111,14 +111,6 @@
                     && operations == 0;
         }
 
-        public void add(Entry another) {
-            this.rxBytes += another.rxBytes;
-            this.rxPackets += another.rxPackets;
-            this.txBytes += another.txBytes;
-            this.txPackets += another.txPackets;
-            this.operations += another.operations;
-        }
-
         @Override
         public String toString() {
             final StringBuilder builder = new StringBuilder();
diff --git a/core/java/android/net/NetworkStatsHistory.java b/core/java/android/net/NetworkStatsHistory.java
index a37c26f..0003c6e 100644
--- a/core/java/android/net/NetworkStatsHistory.java
+++ b/core/java/android/net/NetworkStatsHistory.java
@@ -342,23 +342,11 @@
      * for combining together stats for external reporting.
      */
     public void recordEntireHistory(NetworkStatsHistory input) {
-        recordHistory(input, Long.MIN_VALUE, Long.MAX_VALUE);
-    }
-
-    /**
-     * Record given {@link NetworkStatsHistory} into this history, copying only
-     * buckets that atomically occur in the inclusive time range. Doesn't
-     * interpolate across partial buckets.
-     */
-    public void recordHistory(NetworkStatsHistory input, long start, long end) {
         final NetworkStats.Entry entry = new NetworkStats.Entry(
                 IFACE_ALL, UID_ALL, SET_DEFAULT, TAG_NONE, 0L, 0L, 0L, 0L, 0L);
         for (int i = 0; i < input.bucketCount; i++) {
-            final long bucketStart = input.bucketStart[i];
-            final long bucketEnd = bucketStart + input.bucketDuration;
-
-            // skip when bucket is outside requested range
-            if (bucketStart < start || bucketEnd > end) continue;
+            final long start = input.bucketStart[i];
+            final long end = start + input.bucketDuration;
 
             entry.rxBytes = getLong(input.rxBytes, i, 0L);
             entry.rxPackets = getLong(input.rxPackets, i, 0L);
@@ -366,7 +354,7 @@
             entry.txPackets = getLong(input.txPackets, i, 0L);
             entry.operations = getLong(input.operations, i, 0L);
 
-            recordData(bucketStart, bucketEnd, entry);
+            recordData(start, end, entry);
         }
     }
 
diff --git a/core/java/android/net/NetworkTemplate.java b/core/java/android/net/NetworkTemplate.java
index d8e53d5..39a4d7b 100644
--- a/core/java/android/net/NetworkTemplate.java
+++ b/core/java/android/net/NetworkTemplate.java
@@ -61,13 +61,6 @@
                 com.android.internal.R.array.config_data_usage_network_types);
     }
 
-    private static boolean sForceAllNetworkTypes = false;
-
-    // @VisibleForTesting
-    public static void forceAllNetworkTypes() {
-        sForceAllNetworkTypes = true;
-    }
-
     /**
      * Template to match {@link ConnectivityManager#TYPE_MOBILE} networks with
      * the given IMSI.
@@ -232,7 +225,7 @@
             // TODO: consider matching against WiMAX subscriber identity
             return true;
         } else {
-            return ((sForceAllNetworkTypes || contains(DATA_USAGE_NETWORK_TYPES, ident.mType))
+            return (contains(DATA_USAGE_NETWORK_TYPES, ident.mType)
                     && Objects.equal(mSubscriberId, ident.mSubscriberId));
         }
     }
@@ -298,7 +291,7 @@
         if (ident.mType == TYPE_WIMAX) {
             return true;
         } else {
-            return sForceAllNetworkTypes || contains(DATA_USAGE_NETWORK_TYPES, ident.mType);
+            return contains(DATA_USAGE_NETWORK_TYPES, ident.mType);
         }
     }
 
diff --git a/services/java/com/android/server/net/NetworkStatsCollection.java b/services/java/com/android/server/net/NetworkStatsCollection.java
index 9ddf011..c2e475a 100644
--- a/services/java/com/android/server/net/NetworkStatsCollection.java
+++ b/services/java/com/android/server/net/NetworkStatsCollection.java
@@ -71,7 +71,7 @@
 
     private HashMap<Key, NetworkStatsHistory> mStats = Maps.newHashMap();
 
-    private final long mBucketDuration;
+    private long mBucketDuration;
 
     private long mStartMillis;
     private long mEndMillis;
@@ -95,18 +95,6 @@
         return mStartMillis;
     }
 
-    /**
-     * Return first atomic bucket in this collection, which is more conservative
-     * than {@link #mStartMillis}.
-     */
-    public long getFirstAtomicBucketMillis() {
-        if (mStartMillis == Long.MAX_VALUE) {
-            return Long.MAX_VALUE;
-        } else {
-            return mStartMillis + mBucketDuration;
-        }
-    }
-
     public long getEndMillis() {
         return mEndMillis;
     }
@@ -133,15 +121,6 @@
      */
     public NetworkStatsHistory getHistory(
             NetworkTemplate template, int uid, int set, int tag, int fields) {
-        return getHistory(template, uid, set, tag, fields, Long.MIN_VALUE, Long.MAX_VALUE);
-    }
-
-    /**
-     * Combine all {@link NetworkStatsHistory} in this collection which match
-     * the requested parameters.
-     */
-    public NetworkStatsHistory getHistory(
-            NetworkTemplate template, int uid, int set, int tag, int fields, long start, long end) {
         final NetworkStatsHistory combined = new NetworkStatsHistory(
                 mBucketDuration, estimateBuckets(), fields);
         for (Map.Entry<Key, NetworkStatsHistory> entry : mStats.entrySet()) {
@@ -149,7 +128,7 @@
             final boolean setMatches = set == SET_ALL || key.set == set;
             if (key.uid == uid && setMatches && key.tag == tag
                     && templateMatches(template, key.ident)) {
-                combined.recordHistory(entry.getValue(), start, end);
+                combined.recordEntireHistory(entry.getValue());
             }
         }
         return combined;
@@ -166,9 +145,6 @@
         final NetworkStats.Entry entry = new NetworkStats.Entry();
         NetworkStatsHistory.Entry historyEntry = null;
 
-        // shortcut when we know stats will be empty
-        if (start == end) return stats;
-
         for (Map.Entry<Key, NetworkStatsHistory> mapEntry : mStats.entrySet()) {
             final Key key = mapEntry.getKey();
             if (templateMatches(template, key.ident)) {
@@ -199,9 +175,8 @@
      */
     public void recordData(NetworkIdentitySet ident, int uid, int set, int tag, long start,
             long end, NetworkStats.Entry entry) {
-        final NetworkStatsHistory history = findOrCreateHistory(ident, uid, set, tag);
-        history.recordData(start, end, entry);
-        noteRecordedHistory(history.getStart(), history.getEnd(), entry.rxBytes + entry.txBytes);
+        noteRecordedHistory(start, end, entry.rxBytes + entry.txBytes);
+        findOrCreateHistory(ident, uid, set, tag).recordData(start, end, entry);
     }
 
     /**
diff --git a/services/java/com/android/server/net/NetworkStatsService.java b/services/java/com/android/server/net/NetworkStatsService.java
index ba122ec..0e93b0a 100644
--- a/services/java/com/android/server/net/NetworkStatsService.java
+++ b/services/java/com/android/server/net/NetworkStatsService.java
@@ -44,7 +44,6 @@
 import static android.provider.Settings.Secure.NETSTATS_DEV_ROTATE_AGE;
 import static android.provider.Settings.Secure.NETSTATS_GLOBAL_ALERT_BYTES;
 import static android.provider.Settings.Secure.NETSTATS_POLL_INTERVAL;
-import static android.provider.Settings.Secure.NETSTATS_REPORT_XT_OVER_DEV;
 import static android.provider.Settings.Secure.NETSTATS_SAMPLE_ENABLED;
 import static android.provider.Settings.Secure.NETSTATS_TIME_CACHE_MAX_AGE;
 import static android.provider.Settings.Secure.NETSTATS_UID_BUCKET_DURATION;
@@ -178,7 +177,6 @@
         public long getPollInterval();
         public long getTimeCacheMaxAge();
         public boolean getSampleEnabled();
-        public boolean getReportXtOverDev();
 
         public static class Config {
             public final long bucketDuration;
@@ -223,8 +221,6 @@
 
     /** Cached {@link #mDevRecorder} stats. */
     private NetworkStatsCollection mDevStatsCached;
-    /** Cached {@link #mXtRecorder} stats. */
-    private NetworkStatsCollection mXtStatsCached;
 
     /** Current counter sets for each UID. */
     private SparseIntArray mActiveUidCounterSet = new SparseIntArray();
@@ -299,7 +295,6 @@
             // read historical network stats from disk, since policy service
             // might need them right away.
             mDevStatsCached = mDevRecorder.getOrLoadCompleteLocked();
-            mXtStatsCached = mXtRecorder.getOrLoadCompleteLocked();
 
             // bootstrap initial stats to prevent double-counting later
             bootstrapStatsLocked();
@@ -376,7 +371,6 @@
         mUidTagRecorder = null;
 
         mDevStatsCached = null;
-        mXtStatsCached = null;
 
         mSystemReady = false;
     }
@@ -475,12 +469,12 @@
             @Override
             public NetworkStats getSummaryForNetwork(
                     NetworkTemplate template, long start, long end) {
-                return internalGetSummaryForNetwork(template, start, end);
+                return mDevStatsCached.getSummary(template, start, end);
             }
 
             @Override
             public NetworkStatsHistory getHistoryForNetwork(NetworkTemplate template, int fields) {
-                return internalGetHistoryForNetwork(template, fields);
+                return mDevStatsCached.getHistory(template, UID_ALL, SET_ALL, TAG_NONE, fields);
             }
 
             @Override
@@ -513,56 +507,11 @@
         };
     }
 
-    /**
-     * Return network summary, splicing between {@link #mDevStatsCached}
-     * and {@link #mXtStatsCached} when appropriate.
-     */
-    private NetworkStats internalGetSummaryForNetwork(
-            NetworkTemplate template, long start, long end) {
-        if (!mSettings.getReportXtOverDev()) {
-            // shortcut when XT reporting disabled
-            return mDevStatsCached.getSummary(template, start, end);
-        }
-
-        // splice stats between DEV and XT, switching over from DEV to XT at
-        // first atomic bucket.
-        final long firstAtomicBucket = mXtStatsCached.getFirstAtomicBucketMillis();
-        final NetworkStats dev = mDevStatsCached.getSummary(
-                template, Math.min(start, firstAtomicBucket), Math.min(end, firstAtomicBucket));
-        final NetworkStats xt = mXtStatsCached.getSummary(
-                template, Math.max(start, firstAtomicBucket), Math.max(end, firstAtomicBucket));
-
-        xt.combineAllValues(dev);
-        return xt;
-    }
-
-    /**
-     * Return network history, splicing between {@link #mDevStatsCached}
-     * and {@link #mXtStatsCached} when appropriate.
-     */
-    private NetworkStatsHistory internalGetHistoryForNetwork(NetworkTemplate template, int fields) {
-        if (!mSettings.getReportXtOverDev()) {
-            // shortcut when XT reporting disabled
-            return mDevStatsCached.getHistory(template, UID_ALL, SET_ALL, TAG_NONE, fields);
-        }
-
-        // splice stats between DEV and XT, switching over from DEV to XT at
-        // first atomic bucket.
-        final long firstAtomicBucket = mXtStatsCached.getFirstAtomicBucketMillis();
-        final NetworkStatsHistory dev = mDevStatsCached.getHistory(
-                template, UID_ALL, SET_ALL, TAG_NONE, fields, Long.MIN_VALUE, firstAtomicBucket);
-        final NetworkStatsHistory xt = mXtStatsCached.getHistory(
-                template, UID_ALL, SET_ALL, TAG_NONE, fields, firstAtomicBucket, Long.MAX_VALUE);
-
-        xt.recordEntireHistory(dev);
-        return xt;
-    }
-
     @Override
     public long getNetworkTotalBytes(NetworkTemplate template, long start, long end) {
         mContext.enforceCallingOrSelfPermission(READ_NETWORK_USAGE_HISTORY, TAG);
         assertBandwidthControlEnabled();
-        return internalGetSummaryForNetwork(template, start, end).getTotalBytes();
+        return mDevStatsCached.getSummary(template, start, end).getTotalBytes();
     }
 
     @Override
@@ -1241,10 +1190,6 @@
             return getSecureBoolean(NETSTATS_SAMPLE_ENABLED, true);
         }
         @Override
-        public boolean getReportXtOverDev() {
-            return getSecureBoolean(NETSTATS_REPORT_XT_OVER_DEV, true);
-        }
-        @Override
         public Config getDevConfig() {
             return new Config(getSecureLong(NETSTATS_DEV_BUCKET_DURATION, HOUR_IN_MILLIS),
                     getSecureLong(NETSTATS_DEV_ROTATE_AGE, 15 * DAY_IN_MILLIS),