tree ca226e9143d0a0edd69f03ad49eacc254a910e23
parent c54ce2658988ca36ca3dfab00daefca4dcfed3b2
author wangqi <wangqi@google.com> 1518543281 -0800
committer Copybara-Service <copybara-piper@google.com> 1519291226 -0800

Add simulator RTT call.

This change will also:
1. Disable proximity sensor for RTT call
2. Update RTT call screen, including colors and banner buttons

Bug: 67596257
Test: presubmit
PiperOrigin-RevId: 185541897
Change-Id: I571373efbb8ced4ee2ad94879e9d37bed33b6a28