CL/VK: Fix Pipeline Barriers for Enqueue Image Commands Using pipeline barriers, this ensures completion of calls before and after any enqueue image command. Bug: angleproject:381214485 Change-Id: Idcc5bfc738a2cb67ba9891c2109617ffb7d8bfa8 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6055704 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Roman Lavrov <romanl@google.com>