Merge changes from topic "unwanted" into pi-dev

* changes:
  Add @param tag for state in queryDetailsForUidTagState.
  Remove unwanted capability code per API council feedback.

core/java/android/app/usage/NetworkStatsManager.java

@@ -305,6 +305,8 @@ public class NetworkStatsManager {
      *            {@link java.lang.System#currentTimeMillis}.
      * @param uid UID of app
      * @param tag TAG of interest. Use {@link NetworkStats.Bucket#TAG_NONE} for no tags.
+     * @param state state of interest. Use {@link NetworkStats.Bucket#STATE_ALL} to aggregate
+     *            traffic from all states.
      * @return Statistics object or null if an error happened during statistics collection.
      * @throws SecurityException if permissions are insufficient to read network statistics.
      */

core/java/android/net/NetworkRequest.java

@@ -233,6 +233,8 @@ public class NetworkRequest implements Parcelable {
          *
          * @param capability The capability to add to unwanted capability list.
          * @return The builder to facilitate chaining.
+         *
+         * @removed
          */
         public Builder addUnwantedCapability(@NetworkCapabilities.NetCapability int capability) {
             mNetworkCapabilities.addUnwantedCapability(capability);
@@ -439,6 +441,8 @@ public class NetworkRequest implements Parcelable {
 
     /**
      * @see Builder#addUnwantedCapability(int)
+     *
+     * @removed
      */
     public boolean hasUnwantedCapability(@NetCapability int capability) {
         return networkCapabilities.hasUnwantedCapability(capability);