Clean up doc build to use Android custom doclava.
Clean up doc build to use Android custom doclava.

Change-Id: I1dcf18054aa128ffb4c66111c53fad20bcdee783

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