Vulkan: Disable texture upload if texture sharing * Disabled mutable texture upload in cases of display-level texture sharing. Bug: chromium:1346808 Change-Id: Ia54496521d151ca7f273845fb40c56b5322470af Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3812386 Commit-Queue: Amirali Abdolrashidi <abdolrashidi@google.com> Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>