Telephony: Disable MSISDNEditPreference until init complete.

  - Avoids NPE. BACON-1832

Change-Id: I4a8919ecb3116375696f76e99c94b33ce961df41
Telephony: bugfix - let us edit 'My phone number' again

http://review.cyanogenmod.org/#/c/75688/3 introduced a change on "My Phone
Number", having the option disabled at the beginning, so it can only be used
after it has been init'd.
This commit now enables the option, when init is done.

Change-Id: I50438ac5231934b9c28d7161c05438ab4519aa8b
Telephony service: include libphonenumbergoogle

It's not in the classpath anymore

Change-Id: I9e2ee448a1b861ef8213a97979450f763a59b3e5
Signed-off-by: Roman Birg <roman@cyngn.com>