Update GrTextureMaker to handle mips when copying for npot

Bug: skia:
Change-Id: I4b5ea3b8fadf207aef521404c4e9205df23ef3c8
Reviewed-on: https://skia-review.googlesource.com/65900
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
1 file changed