SF: Pass transformHint with releaseBuffer

We want the client to receive the tranformHint as early
as possible, in particular prior to beginning rendering
of a new frame. Since the releaseBuffer callback may
cause the client to begin rendering we should include
our most up to date transform hint here.

Bug: 184842607
Test: Existing tests pass
Change-Id: I61127d78f44b7332ad9ff3cade772fa6b475365f