Rename GrGLAssembleFooInterface to GrGLMakeAssembledFooInterface.

Add GrGLAssembleInterface with legacy bare pointer return.

This allows existing clients of GrGLAssembleInterface to roll Skia without
code changes.

Change-Id: I0764a9f4583e554fff5574889adcc6fe004db159
Reviewed-on: https://skia-review.googlesource.com/83564
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
12 files changed