Make GrGpu::createBackendTexture match createCompressedBackendTexture

This is pulled out of the omnibus parameter reordering CL - which has become too large.

Change-Id: Ia647f4aac9f31600c6f72098233fe401895f23df
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/266537
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
3 files changed