ToggleButton could keep a reference to a previous drawable
ToggleButton could keep a reference to a previous drawable

Change-Id: Ic19a8e86c61b58926504daf35f0de41358a899b4

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