A race broke the ANGLE tree due to an entry point formatting change.

Bug: angleproject:2890
Bug: angleproject:2928
Change-Id: I08cc4e13c9d5bd1888c0d891113d3042759d43dc
Reviewed-on: https://chromium-review.googlesource.com/c/1302534Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>