Add traces to CommandBuffer Additionally, use CommandBuffer's `reset` instead of direct Vulkan call. Based on patch by Igor Nazarov <i.nazarov@samsung.com> Bug: angleproject:6401 Change-Id: Ib473ed2fd33ebb68852d4f4e7776a8e484ac8610 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3179770 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com>