Only set GL tex base/max MIP level if supported

Change-Id: Id42f9b55af0b0ab6b6c15a136300c5bae1455f84
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/293836
Commit-Queue: Greg Daniel <egdaniel@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
1 file changed