docs: update caption for action bar figure to match new screenshot
docs: update caption for action bar figure to match new screenshot

Change-Id: I233383ca7168ddb96231d3d22a5dcd6342462103

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