am 94449158: Avoid NPE from delayed Runnable

* commit '944491587e8a8f77233a1916cc16cd07edd97f2e':
  Avoid NPE from delayed Runnable
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 503cc6a..709f4cf 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3952,9 +3952,11 @@
                     // when we are loading right after we return to launcher.
                     mWorkspace.postDelayed(new Runnable() {
                         public void run() {
-                            mWorkspace.snapToPage(newScreenIndex);
-                            mWorkspace.postDelayed(startBounceAnimRunnable,
-                                    NEW_APPS_ANIMATION_DELAY);
+                            if (mWorkspace != null) {
+                                mWorkspace.snapToPage(newScreenIndex);
+                                mWorkspace.postDelayed(startBounceAnimRunnable,
+                                        NEW_APPS_ANIMATION_DELAY);
+                            }
                         }
                     }, NEW_APPS_PAGE_MOVE_DELAY);
                 } else {