GrGLES: clean up android_get_gl_proc

Change-Id: Ia65b582d17c80e27574042c02363ec75bafcb0db
Reviewed-on: https://skia-review.googlesource.com/114440
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
1 file changed