Fix a race in settings update.

Need to invalidate caching before notifying of changes.

Bug: 28621277
Change-Id: I2820b15d2364ecaad7666a820c0c7280ac6b7b4c

packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java

@@ -1948,6 +1948,8 @@ public class SettingsProvider extends ContentProvider {
             final int userId = getUserIdFromKey(key);
             Uri uri = getNotificationUriFor(key, name);
 
+            mGenerationRegistry.incrementGeneration(key);
+
             mHandler.obtainMessage(MyHandler.MSG_NOTIFY_URI_CHANGED,
                     userId, 0, uri).sendToTarget();
 
@@ -1959,8 +1961,6 @@ public class SettingsProvider extends ContentProvider {
                         sSystemCloneToManagedSettings);
             }
 
-            mGenerationRegistry.incrementGeneration(key);
-
             mHandler.obtainMessage(MyHandler.MSG_NOTIFY_DATA_CHANGED).sendToTarget();
         }