Only build remoting_me2me_host_archive in chrome_branded build.
Only build remoting_me2me_host_archive in chrome_branded build.

I had it building unconditionally in #357697.

R=sergeyu@chromium.org
BUG=512899, 530733

Review URL: https://codereview.chromium.org/1411413009

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#357979}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk