Add option to force GLSL string caching rather than program binaries.

Bug: chromium:924572
Change-Id: I055a6946528c75fa986c86fa562a2608b8958611
Reviewed-on: https://skia-review.googlesource.com/c/192827
Commit-Queue: Brian Salomon <bsalomon@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2 files changed