Vulkan: Change ResourceAccess::Write to ResourceAccess::ReadWrite AS a preparation for the next CL which will optimize for WriteOnly access, this CL changes Write to ReadWrite and adds WriteOnly access (but not used yet). Mechanical changes only and no function difference is expected. Bug: b/243711628 Change-Id: I509d6045ae87635e24076b646af42f35d88d52cf Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3866672 Commit-Queue: Charlie Lao <cclao@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Yuxin Hu <yuxinhu@google.com>