QS: 'Cast screen' -> 'Cast'.
QS: 'Cast screen' -> 'Cast'.

Bug: 19773357
Change-Id: I967c972986af4eb97374d7cde1d3b19fb28986ff

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