We can do this to avoid confusion about these files having any relation
to MediaResource, which is going to be the new name for the
DemuxerStreamProvider.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2656523002
Cr-Commit-Position: refs/heads/master@{#446125}