Enable WebRTC baremetal trybots
Enable WebRTC baremetal trybots

Enable the WebRTC baremetal trybots now that they have proven to build
green (after some manual setup on the machines is completed).

TEST=none
BUG=332726, 327664

Review URL: https://codereview.chromium.org/140323007

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@246316 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build