Fix issue #2304284: contacts/dialer/recentcalls constantly flashing

Make sure the application is always given the most recent configuration
when launcher.  Use the current configuration, instead of whatever happens
to be set by the app, for reporting what it was launched with.

Change-Id: I2ffe306f56cc9092b640546dd0a28d2c29b9c0b3
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 1115f92..909620d 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -1383,13 +1383,14 @@
 
         public final void scheduleRelaunchActivity(IBinder token,
                 List<ResultInfo> pendingResults, List<Intent> pendingNewIntents,
-                int configChanges, boolean notResumed) {
+                int configChanges, boolean notResumed, Configuration config) {
             ActivityRecord r = new ActivityRecord();
 
             r.token = token;
             r.pendingResults = pendingResults;
             r.pendingIntents = pendingNewIntents;
             r.startsNotResumed = notResumed;
+            r.createdConfig = config;
 
             synchronized (mRelaunchingActivities) {
                 mRelaunchingActivities.add(r);
@@ -2511,7 +2512,7 @@
         Activity a = performLaunchActivity(r, customIntent);
 
         if (a != null) {
-            r.createdConfig = new Configuration(a.getResources().getConfiguration());
+            r.createdConfig = new Configuration(mConfiguration);
             handleResumeActivity(r.token, false, r.isForward);
 
             if (!r.activity.mFinished && r.startsNotResumed) {
@@ -3563,6 +3564,16 @@
             }
         }
 
+        if (tmp.createdConfig != null) {
+            // If the activity manager is passing us its current config,
+            // assume that is really what we want regardless of what we
+            // may have pending.
+            if (mConfiguration == null
+                    || mConfiguration.diff(tmp.createdConfig) != 0) {
+                changedConfig = tmp.createdConfig;
+            }
+        }
+        
         if (DEBUG_CONFIGURATION) Log.v(TAG, "Relaunching activity "
                 + tmp.token + ": changedConfig=" + changedConfig);