Moving LauncherAccessibilityDelegate to Launcher to associate it with
activity lifecycle.

Change-Id: Ib815505677fa7ed74bdcfe7141b1d9bea5d7143a
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 5d0f783..be00aec 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -143,7 +143,7 @@
             setShadowLayer(SHADOW_LARGE_RADIUS, 0.0f, SHADOW_Y_OFFSET, SHADOW_LARGE_COLOUR);
         }
 
-        setAccessibilityDelegate(LauncherAppState.getInstance().getAccessibilityDelegate());
+        setAccessibilityDelegate(mLauncher.getAccessibilityDelegate());
     }
 
     public void applyFromShortcutInfo(ShortcutInfo info, IconCache iconCache) {