Add flush_on_framebuffer_change workaround

Bug: chromium: 829614
Change-Id: Ibd7ebfd74d95e3119f01a3d6ae40a693368ac3de
Reviewed-on: https://skia-review.googlesource.com/147128
Auto-Submit: Adrienne Walker <enne@chromium.org>
Commit-Queue: Adrienne Walker <enne@chromium.org>
Reviewed-by: Brian Salomon <bsalomon@google.com>
4 files changed