Changed Fast-Track window flags so it avoids dim bug.

Fixes http://b/2077548
diff --git a/src/com/android/contacts/ui/FastTrackWindow.java b/src/com/android/contacts/ui/FastTrackWindow.java
index 8551059..5cfbf52 100644
--- a/src/com/android/contacts/ui/FastTrackWindow.java
+++ b/src/com/android/contacts/ui/FastTrackWindow.java
@@ -315,9 +315,7 @@
 
         }
 
-        l.dimAmount = 0.0f;
-        l.flags = WindowManager.LayoutParams.FLAG_DIM_BEHIND
-                | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
+        l.flags = WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
                 | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
                 | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
                 | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;