base

Pass full matrix + clip save flags to the native SkCanvas.

With granular state flags being deprecated, always pass full
save flags to the native canvas.

Legacy behavior is emulated in NativeCanvasWrapper, with a focus
on minimizing the overhead when there are no side effects to be
persisted.

Change-Id: Ifdad2ff9bb3a1f9736c6c41afc9ec6c07f62320e