TeleService: fix vibrate on answer

A pattern of 100,0,0 essentially never even starts the vibrator.

Change-Id: I69dd232dd6ab98e068fd4a1526727fe843b44336
Telephony: Disable MSISDNEditPreference until init complete.

  - Avoids NPE. BACON-1832

Change-Id: I4a8919ecb3116375696f76e99c94b33ce961df41