tree bf8929e90ffe3c98b21d02db0cc68883a87a6241
parent c81fbd75f18621d7ce68c8df65cc468efe6ffe23
author wangqi <wangqi@google.com> 1522711380 -0700
committer Copybara-Service <copybara-piper@google.com> 1522800212 -0700

Implement dialog for responding RTT request.

Bug: 67596257
Test: manual
PiperOrigin-RevId: 191365412
Change-Id: Ida741a837d6495c0d5f51b748f4d6c09a1beafec