Make the size of program/pipeline caches configurable in GrContextOptions

Change-Id: I988fd8cc7e78e2124f20b7d8a815f160bb166756
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/239756
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
7 files changed