Clarify version docs.
Clarify version docs.

Change-Id: I64cc9e5e51f12d33e770e73734efd89df20c8504

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