Change signature of several gpu backend methods

This makes:

onCreateBackendTexture better match onCreateCompressedBackendTexture to better reflect our mipMapping assumptions.

GrCompressedDataSize better match GrComputeTightCombinedBufferSize to allow the used of generated mipmap data.

createVkImageForBackendSurface and createMtlTextureForBackendSurface take a GrRenderable instead of a raw bool

Change-Id: Ifb7d60bc0e626dfbf1cea0d362bcb04093a71ba7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/260780
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
15 files changed