Temporarily whitelist receivers responding to

ACTION_NEW_OUTGOING_CALL to open activities from background

This broadcast will be deprecated in Q, but in the meantime we
want the call rerouting by Google Voice to work.
Once they transition to the new API, we should revert this CL.

Bug: 124159654
Test: atest com.android.server.telecom.tests
Test: manual (try to call someone from Contacts app)
Change-Id: I51494a29cbc418e4fc95274d9b00ed5b9c028901