Fixing issue where the holographic icons sometimes don't update (ie. after uninstalling an app).

Change-Id: I593d557e3f019a1a68e47ac6310c6cc476c0e37e
diff --git a/src/com/android/launcher2/PagedViewIcon.java b/src/com/android/launcher2/PagedViewIcon.java
index 9c5d126..bde6559 100644
--- a/src/com/android/launcher2/PagedViewIcon.java
+++ b/src/com/android/launcher2/PagedViewIcon.java
@@ -141,13 +141,15 @@
         return mHolographicOutline;
     }
 
-    private void queueHolographicOutlineCreation() {
+    private boolean queueHolographicOutlineCreation() {
         // Generate the outline in the background
         if (mHolographicOutline == null) {
             Message m = sWorker.obtainMessage(MESSAGE_CREATE_HOLOGRAPHIC_OUTLINE);
             m.obj = this;
             sWorker.sendMessage(m);
+            return true;
         }
+        return false;
     }
 
     public void applyFromApplicationInfo(ApplicationInfo info, PagedViewIconCache cache,
@@ -161,7 +163,9 @@
             mIconCache = cache;
             mIconCacheKey = new PagedViewIconCache.Key(info);
             mHolographicOutline = mIconCache.getOutline(mIconCacheKey);
-            queueHolographicOutlineCreation();
+            if (!queueHolographicOutlineCreation()) {
+                getHolographicOutlineView().invalidate();
+            }
         }
     }
 
@@ -177,7 +181,9 @@
             mIconCache = cache;
             mIconCacheKey = new PagedViewIconCache.Key(info);
             mHolographicOutline = mIconCache.getOutline(mIconCacheKey);
-            queueHolographicOutlineCreation();
+            if (!queueHolographicOutlineCreation()) {
+                getHolographicOutlineView().invalidate();
+            }
         }
     }