Run cast_unittests on ToTAndroidCFI and ToTLinuxThinLTO.

(It already runs on the non-ToT bots.)

Also add a comment explaining why chrome_public_test_apk doesn't yet
run on the Android CFI bots.

Bug: 843511
Change-Id: I354cb867c15f3e8b3d36968cf4ca36cf389c25a5
Reviewed-on: https://chromium-review.googlesource.com/1132406
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#574245}
2 files changed