Switched Holo to Material for account chooser activities.
Switched Holo to Material for account chooser activities.

Change-Id: I6a44fb174eb4e981c37fca0836b103d7ee3f5ffe

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