Update IUidObserver.onUidStateChanged to include procStateSeq.

This procStateSeq is associated with the process state change of
an uid and will help in identifying if network policy rules have been
updated for a process state change.

Bug: 27803922
Test: runtest -c com.android.server.am.ActivityManagerServiceTest
      frameworks-services
Change-Id: Iaab8d004f476b96f28d08c886c7b0a6b585b9fef
diff --git a/services/core/java/com/android/server/AlarmManagerService.java b/services/core/java/com/android/server/AlarmManagerService.java
index 0d438cb..179b3d0 100644
--- a/services/core/java/com/android/server/AlarmManagerService.java
+++ b/services/core/java/com/android/server/AlarmManagerService.java
@@ -2839,7 +2839,8 @@
     }
 
     final class UidObserver extends IUidObserver.Stub {
-        @Override public void onUidStateChanged(int uid, int procState) throws RemoteException {
+        @Override public void onUidStateChanged(int uid, int procState,
+                long procStateSeq) throws RemoteException {
         }
 
         @Override public void onUidGone(int uid, boolean disabled) throws RemoteException {