tree bbb6edfe943e477f846ae17e67c1a3918a74eb9a
parent 241b999530999c7613edb742778c81fb4bf0e91e
author Stephen Hines <srhines@google.com> 1354849478 -0800
committer Stephen Hines <srhines@google.com> 1354849478 -0800

Skip the memcpy if src/dst are the same.

This is an optimization to go with our shared Bitmap storage.

Bug: 7256604
Change-Id: I7e3a40ba434c1af92f3c87f61537fc4d9d87c28c