Vulkan: de-duplicate ImageHelper::barrierImpl and barrierImplOneOff barrierImpl is renamed to recordBarrierImpl barrierImplOneOff renamed to recordBarrierOneOffImpl barrierImpl contains all the common logic between recordBarrierImpl and recordBarrierOneOffImpl. Bug: angleproject:390443243 Change-Id: I01ce9ea3f1f0acb30fe0efcdd20bd1caaa248a7c Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6195570 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Amirali Abdolrashidi <abdolrashidi@google.com> Commit-Queue: Charlie Lao <cclao@google.com>