Change behavior of setBitmap to cleanly reset the canvas

 - identity matrix
 - no save stack
 - wide-open clip

This reverts commit 4f641d1e4586b027969052cc0ad6b65c1158e72e

Test: bit CtsGraphicsTestCases:.CanvasTest
Bug: 36218535
Change-Id: Id11deb06e37d6df61f1f171d424ab150d812a7a8
2 files changed