Add an O-release targetAPI check for Canvas.setBitmap.

For apps targeting releases earlier than O setBitmap will attempt
to preserve the matrix from the previous bitmap.  It does not however
attempt to reconstruct the save/restore stack or the clip.

Test: manual test of messenger app referenced in the bug
Bug: 37589964
Change-Id: I67f0928a3f84a8be41da38ef1868e79bdeb03e46