Revert "trebuchet: remove CALL_PHONE permission"

This reverts commit 2168cc82e4c349d62db8476a914d80cd041a7d8c.
Direct call widget is broken.

Change-Id: I3e8fe0e0ff77cf0ccff17701b5f40f2a62ae8d3f
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0