gpu: Reset context state when using skia for transfer cache image upload.

We currently mark the RasterDecoderContextState dirty at all entry
points where skia may have used it, except when uploading images using
it during transfer cache deserialization. We should do that here too.

R=enne@chromium.org, piman@chromium.org

Bug: 897637
Change-Id: Ie713728eab9f33a7e14ed983e574e43e4053124c
Reviewed-on: https://chromium-review.googlesource.com/c/1341141
Reviewed-by: enne <enne@chromium.org>
Reviewed-by: Antoine Labour <piman@chromium.org>
Commit-Queue: Khushal <khushalsagar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609095}
3 files changed