Dynamically check for permission denials

Don't crash when performing certain operations that the
dialer might not have permissions to execute:

* Access voicemail provider
* Certain TelecomManager methods

Bug: 20266292

Change-Id: I6326332943567aab0c59b4b4386d7bc434a71e4a
1 file changed
tree: 81ec90d785f271c8ab9ea0fa138cc42268e6ce64
  1. InCallUI/