Change rietveld "private" text to accurately reflect view ACLs.
Change rietveld "private" text to accurately reflect view ACLs.

BUG=https://code.google.com/p/chromium/issues/detail?id=179161

Author: agable@chromium.org

Review: https://codereview.appspot.com/8526043/

nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra