Make GrSurfaceContext take GrColorInfo rather than its components.

Bug: skia:11019
Change-Id: I0446e3565c892cddaaeb13d9a8379e144c0ea8ea
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/341419
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
22 files changed