Un-force fading edges in ListPopupWindows.
Un-force fading edges in ListPopupWindows.

Change-Id: Iefb1f64b1f8927fd3c29a8d448a1517afac1ffe1

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base