Test Runner: Use standard isolate script args. This will allow the Android test runner to work seamlessly with the ANGLE GTest runner script. Bug: angleproject:3162 Change-Id: Id20d2fd05eb01e90a5a884891d9a1aa609ca744d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2407837 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>