AAPT: attributes showing up after v21 attributes would be removed for pre-21 devices
AAPT: attributes showing up after v21 attributes would be removed for pre-21 devices

There was an inconsistency in the indexing when removing attributes
in layouts. Now we account for that shift that happens when you delete
an attribute.

Bug:18707321
Change-Id: I656eee3fb614168fa8ceeff379e8594708961dad

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