Enable TabCaptureAPiTests.ApiTests on ChromeOS.
Many changes have happened, hopefully flakyness is gone.

BUG=61493

Review URL: https://codereview.chromium.org/91223004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237733 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237733
[Telemetry] Fix WPR with cros remote.

BUG=321682

Review URL: https://codereview.chromium.org/93073003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237734 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237734