Fixing NPE in accessing theme attribute.
Fixing NPE in accessing theme attribute.

Change-Id: I5d21645b5530f13e1709021bd818de6bdb1d6544
xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base