Have LauncherModel poke the gc after it's done, to give the
renderscript objects a chance to get deleted, since they aren't
in the java heap.

Bug 2685490

Change-Id: Ifff97b64585ac0f6faed0feb6362f6137682e32d
diff --git a/src/com/android/launcher2/LauncherModel.java b/src/com/android/launcher2/LauncherModel.java
index a867200..6127649 100644
--- a/src/com/android/launcher2/LauncherModel.java
+++ b/src/com/android/launcher2/LauncherModel.java
@@ -623,6 +623,14 @@
                     // sections.
                     mLoaderThread = null;
                 }
+
+                // Trigger a gc to try to clean up after the stuff is done, since the
+                // renderscript allocations aren't charge to the java heap.
+                mHandler.post(new Runnable() {
+                        public void run() {
+                            System.gc();
+                        }
+                    });
             }
 
             public void stopLocked() {