am 4e8c8bcb: Fix call duration talkback verbalization.

* commit '4e8c8bcbe67a9d2fc9f57ee9c7366d4da3c1e886':
  Fix call duration talkback verbalization.
tree: 6a1df914561a15de9669ded160216c63e3e2b8e2
  1. InCallUI/