am 610c654b: am 3c80805d: Catch null Call to avoid NullPointerException.

* commit '610c654b5b7961d35969dcea7918be4d5a4b5043':
  Catch null Call to avoid NullPointerException.
tree: c2bb81fd794366372092cb5b5df3a2195aee7ee5
  1. InCallUI/