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Rather than having these tests being forced into the flaky bucket,
condition their execution on a new restriction. It has the nice
side-effect that one bad bot or configuration doesn't cause the test to
get disabled and hopefully these will be running *somewhere*.

Tested locally that the tests passed, then removed all updates to google
play services and they were ignored.
BUG=514449

Review URL: https://codereview.chromium.org/1582513003

Cr-Commit-Position: refs/heads/master@{#371799}