Fix its-rtc creating a fresh facade for each request

So far, a new RTCFacade was created every time a request was done. That
led to the creation of unnecessary objects and to the log being flooded
with connection messages.

Bind RTCFacade as a singleton and change the log level back to INFO.

Bug: Issue 3575
Change-Id: I5e7e717915d7fc09b2926b21ff706a6a31b41710
2 files changed
tree: 5a8f3c691ca290a84897bbeb4835d9ca7d230cb2
  1. .gitignore
  2. .settings/
  3. BUCK
  5. lib/
  6. src/