Add missing clean steps.
Add missing clean steps.

Change-Id: Iecb3ff4d6658e581e51414bdfc397953189e66cb

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