This will make it easier for us to record GLES calls and log them with
Vulkan vkCmd*DebugUtilsLabelEXT()

Bug: b/162068318
Change-Id: I6bddf086ef39cbaca313409802bbb4f2da0d85cc
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2432193
Commit-Queue: Ian Elliott <ianelliott@google.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>