Annotate Dalvik VR access as both use and def if we use it in this way

Some 2addr operations use direct access to VR in memory as both def and use but
annotate its only as def. It results in later optimizations like reorder
of LIRs can re-order this operation with other mov.

Change-Id: I04ac40c9f229af6f1e5c5f91f4901b1452509582
Signed-off-by: Serguei Katkov <serguei.i.katkov@intel.com>