Lazily instantiate LauncherAppState.

The application context for LauncherAppState is supplied by
the application whenever it starts; don't ask for an
instance before that.

Change-Id: I1ca8ea04238a357a682f79250f08813ead7ae532
diff --git a/src/com/android/launcher3/CheckLongPressHelper.java b/src/com/android/launcher3/CheckLongPressHelper.java
index 968dc79..8114979 100644
--- a/src/com/android/launcher3/CheckLongPressHelper.java
+++ b/src/com/android/launcher3/CheckLongPressHelper.java
@@ -45,7 +45,8 @@
         if (mPendingCheckForLongPress == null) {
             mPendingCheckForLongPress = new CheckForLongPress();
         }
-        mView.postDelayed(mPendingCheckForLongPress, LauncherAppState.getLongPressTimeout());
+        mView.postDelayed(mPendingCheckForLongPress,
+                LauncherAppState.getInstance().getLongPressTimeout());
     }
 
     public void cancelLongPress() {