Merge "DO NOT MERGE ANYWHERE Put the start of RttService behind a flag." into cw-e-dev am: e2c27eede5  -s ours am: 44b73f54fb  -s ours am: 3db7909c7a  -s ours
am: 0218fc7dbb  -s ours

* commit '0218fc7dbb2df36cf5f9ca30075da84e0020b218':
  DO NOT MERGE ANYWHERE Put the start of RttService behind a flag.