Remove unused variables.
Remove unused variables.

Follow up from 13e5965306212a9051772ff1d5bc3a88e5fb5.

Change-Id: I370e52acd998ce72b4d7dbf2aba604d4b08bb0cf

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build