StrictMode to detect untagged network traffic.

Define some constants for early use in AOSP code.

Test: builds, boots, all common traffic tagged
Bug: 30943431
Change-Id: Ia58a8933bccfddbc027afb78c63ae65bd71ce562
diff --git a/core/java/android/net/TrafficStats.java b/core/java/android/net/TrafficStats.java
index 1ac9fca..e7436be 100644
--- a/core/java/android/net/TrafficStats.java
+++ b/core/java/android/net/TrafficStats.java
@@ -108,6 +108,26 @@
      */
     public static final int TAG_SYSTEM_RESTORE = 0xFFFFFF04;
 
+    /** @hide */
+    public static final int TAG_SYSTEM_DHCP = 0xFFFFFF05;
+    /** @hide */
+    public static final int TAG_SYSTEM_NTP = 0xFFFFFF06;
+    /** @hide */
+    public static final int TAG_SYSTEM_PROBE = 0xFFFFFF07;
+    /** @hide */
+    public static final int TAG_SYSTEM_NEIGHBOR = 0xFFFFFF08;
+    /** @hide */
+    public static final int TAG_SYSTEM_GPS = 0xFFFFFF09;
+    /** @hide */
+    public static final int TAG_SYSTEM_PAC = 0xFFFFFF0A;
+
+    /**
+     * Sockets that are strictly local on device; never hits network.
+     *
+     * @hide
+     */
+    public static final int TAG_SYSTEM_LOCAL = 0xFFFFFFAA;
+
     private static INetworkStatsService sStatsService;
 
     private synchronized static INetworkStatsService getStatsService() {