Use preservesAxisAlignment instead of scaleTranslate for clip simplification

This lets more matrix types pre-convert rects and rrects to device space.
Since the clip geometry isn't itself shaded, we can apply the matrix
without worrying about preserving local vs. device coordinates.

Bug: skia:10730
Change-Id: I61ae3e13eec66f0e5eb83a6504dcb8004620b151
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/320222
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
2 files changed