Update suggested wallpaper dimensions in onResume

If another launcher runs in between, it might
change the suggested dimensions. This fixes that
case.

Bug: 11667475

src/com/android/launcher3/WallpaperChangedReceiver.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+public class WallpaperChangedReceiver extends BroadcastReceiver {
+    public void onReceive(Context context, Intent data) {
+        LauncherAppState appState = LauncherAppState.getInstance();
+        appState.onWallpaperChanged();
+    }
+}