Split uniform and texture uptades to different methods in GrGLProgram

Change-Id: Iaa167642a0593836773c256737e1828b38beeef7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/272504
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
3 files changed