Vulkan: Update flushStagedUpdate to use switchcase * The if-else statements to check update type have been replaced with switch-case statements for more clarity. Bug: b/308455694 Change-Id: I3d5b77e697d342e77596fd177b2527ece4d228ed Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5297547 Commit-Queue: Amirali Abdolrashidi <abdolrashidi@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com>