Replace SK_ARRAY_COUNT with std::size() for skia/src/gpu

Change-Id: I9451a06f43de66727b9562a29eea7b838175712b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/554336
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
33 files changed