Grant CONTACT permissions to IMS package.

Needed for RCS User Discovery

Section 2.6 here
https://drive.google.com/file/d/0B4dRDALy0Y3HaEpWWTY5WEdQVlE/view


Bug: 73818766
Test: manually check if ims pakage is granted the permission.
Change-Id: I4c709cfc29236dd9c36826c0e0d04ec610ec2c8d