[canvaskit] Add Surface.makeFromTexture

This includes a helper Surface.makeFromTextureSource that will
make the gl calls with some sensible defaults.

Change-Id: I31bb2f3118b4749e77fb1fc2cb013d35ccb7cfce
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/413336
Reviewed-by: Brian Osman <brianosman@google.com>
10 files changed