MediaStream Recorder API Test for CrOS

BUG=chromium:561650

TEST=On Jerry laptop

Change-Id: I0ec4bdc972dcec4d618428764a9f72b79692eab8
Reviewed-on: https://chromium-review.googlesource.com/315771
Commit-Ready: Christian Paulin <cpaulin@chromium.org>
Tested-by: Christian Paulin <cpaulin@chromium.org>
Reviewed-by: Christian Paulin <cpaulin@chromium.org>
Reviewed-by: Rohit Makasana <rohitbm@chromium.org>
2 files changed