[canvaskit] Bump GPU resource cache to 256MB

Bug: skia:
Change-Id: I398ef2e79076018f3f62e62a2040052eeaf60784
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/206066
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
1 file changed