Keeping only CI testing due to lack of phone capacity.

Bug: angleproject:5633
Change-Id: I9b41d86630ce6a6647fb058cd70382f1cb9a938f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2686116Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>