Implement RGB565 multisample resolve. Bug 20891368 Change-Id: I29054ccc0a91fdc41d26d26dd4f55dfd4dfca7e4 Reviewed-on: https://swiftshader-review.googlesource.com/3952 Tested-by: Nicolas Capens <capn@google.com> Reviewed-by: Nicolas Capens <capn@google.com>