Change Android atomic counter tests to skip. These tests were running into LowMemoryKiller issues on the Pixel 2. Disable them until we can switch to a newer OS/Device. Bug: angleproject:5185 Change-Id: Id33d0f6347961e216a471af2e3614f0fb18d28d3 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2482288 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>