Propagate GrRenderable flag to GrCaps::getBackendFormatFromColorType

This makes calling GrCaps::getBackendFormatFromColorType equivalent to calling GrContext::defaultBackendFormat

Change-Id: Ic402245fa0502920c47c2a29aadc4e559abdc09b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230416
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
46 files changed