Consistently re-enabling the wallpaper when we leave launcher. (Bug 6445085)

Change-Id: I8357677479a693a808097a797b9af6906f4d7801

src/com/android/launcher2/AppsCustomizePagedView.java

@@ -524,10 +524,6 @@ public class AppsCustomizePagedView extends PagedViewWithDraggableItems implemen
                 mPressedIcon.lockDrawableState();
             }
 
-            // NOTE: we need to re-enable the wallpaper visibility if we want correct transitions
-            // between items that are launched from the workspace and all apps.  It will be disabled
-            // correctly the next time the window is visible in AppsCustomizeTabHost.
-            mLauncher.updateWallpaperVisibility(true);
             mLauncher.startActivitySafely(v, appInfo.intent, appInfo);
 
         } else if (v instanceof PagedViewWidget) {

src/com/android/launcher2/Launcher.java

@@ -665,6 +665,11 @@ public final class Launcher extends Activity
 
     @Override
     protected void onPause() {
+        // NOTE: We want all transitions from launcher to act as if the wallpaper were enabled
+        // to be consistent.  So re-enable the flag here, and we will re-disable it as necessary
+        // when Launcher resumes and we are still in AllApps.
+        updateWallpaperVisibility(true);
+
         super.onPause();
         mPaused = true;
         mDragController.cancelDrag();