Enable debug-util markers with an env var/property Enable the Vulkan debug-util markers by setting the ANGLE_ENABLE_DEBUG_MARKERS" environment variable to any 1+-character value. On Android, this is set with the "debug.angle.markers" Android property. Bug: b/170249632 Change-Id: I66503fac71397c59cc641dd903faad152e0ec449 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2500186 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Ian Elliott <ianelliott@google.com>