This adds the transtlations of GL_SHADER_IMAGE_ACCESS_BARRIER_BIT, and
GL_FRAMEBUFEER_BARRIER_BIT to the vulkan backend.

Bug: angleproject:3934
Change-Id: I2bd86a16b461cf7dc01d0d4386f49365a5292446
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1847172
Commit-Queue: Jie A Chen <jie.a.chen@intel.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>