Don't delete gl textures on failed update.

Change-Id: I5bea5e845c5098c8885a75cf9602a1231dbee3ac
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/289785
Commit-Queue: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Auto-Submit: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
1 file changed