Source change to get code compiling on google3

Change-Id: Ib16df8dd9caa04903a664d8cf92767107fe57628
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index a368796..73c7831 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -40,7 +40,7 @@
  */
 public class BubbleTextView extends TextView {
 
-    private static SparseArray<Theme> sPreloaderThemes = new SparseArray<>(2);
+    private static SparseArray<Theme> sPreloaderThemes = new SparseArray<Theme>(2);
 
     private static final float SHADOW_LARGE_RADIUS = 4.0f;
     private static final float SHADOW_SMALL_RADIUS = 1.75f;