Revert consider TEMPORARILY_NOT_METERED as unmetered in data usage

Currently, NET_CAPABILITY_TEMPORARILY_NOT_METERED traffic is
counted as unmetered data usage, and "mobile data usage"
settings screen shows metered data usage which means it doesn't
include TEMPORARILY_NOT_METERED traffic. However, some carriers
show TEMPORARILY_NOT_METERED data usage in customer's bill which
would be confusing if the data usage in the device shows different
results. Thus, revert the change to avoid confusing.

Bug: 183776809
Test: FrameworksNetTests
Change-Id: I4ef25095462adf30b1ecf82134996739f167930d
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 9b23395..316f9e5 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -75,7 +75,6 @@
 import static android.net.NetworkCapabilities.NET_CAPABILITY_OEM_PAID;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_OEM_PRIVATE;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_PARTIAL_CONNECTIVITY;
-import static android.net.NetworkCapabilities.NET_CAPABILITY_TEMPORARILY_NOT_METERED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
 import static android.net.NetworkCapabilities.NET_ENTERPRISE_ID_1;
 import static android.net.NetworkCapabilities.NET_ENTERPRISE_ID_5;
@@ -8062,10 +8061,6 @@
         final boolean oldMetered = prevNc.isMetered();
         final boolean newMetered = newNc.isMetered();
         final boolean meteredChanged = oldMetered != newMetered;
-        final boolean oldTempMetered = prevNc.hasCapability(NET_CAPABILITY_TEMPORARILY_NOT_METERED);
-        final boolean newTempMetered = newNc.hasCapability(NET_CAPABILITY_TEMPORARILY_NOT_METERED);
-        final boolean tempMeteredChanged = oldTempMetered != newTempMetered;
-
 
         if (meteredChanged) {
             maybeNotifyNetworkBlocked(nai, oldMetered, newMetered,
@@ -8076,7 +8071,7 @@
                 != newNc.hasCapability(NET_CAPABILITY_NOT_ROAMING);
 
         // Report changes that are interesting for network statistics tracking.
-        if (meteredChanged || roamingChanged || tempMeteredChanged) {
+        if (meteredChanged || roamingChanged) {
             notifyIfacesChangedForNetworkStats();
         }