CL/VK: Serialize cmds when queue profiling enabled When queue profiling is enabled by user (opt-in) we should serialize/finish each cmd. Bug: angleproject:377942756 Change-Id: I7809df073c0a6de0e4d5338bec2fa2032ebc1577 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6003807 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Austin Annestrand <a.annestrand@samsung.com>