Run Android network service APK tests on the main waterfall

This runs chrome_public_test_apk and content_shell_test_apk on the phone
testers in the main waterfall. We will be going to canary and dev on
Android for network service soon, so want to make sure things don't
break.

For now, not running content_browsertests or components_browsertests for
capacity reasons, and these are much less likely to break since they are
also covered by the desktop bots.

Bug: 827531
Change-Id: I9140bfc3de18f8c29177fa2e92f0129534ea3292
Reviewed-on: https://chromium-review.googlesource.com/c/1355601
Commit-Queue: Clark DuVall <cduvall@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#614841}
4 files changed