Add media_unittests to cros VM tester.

Some tests are failing, so this adds them to a filter file and adds it
in a la fuchsia.

Bug: 860066, 840967
Change-Id: I6ebe67a0d4a5ab5e58c543524d36ada6ae55219f
Reviewed-on: https://chromium-review.googlesource.com/1136884
Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Ben Pastene <bpastene@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575846}
5 files changed