Add READ_PHONE_STATE permission CTS tests

READ_PHONE_STATE permission tests need to be in a separate
package that doesn't have the READ_PHONE_STATE permission in its
manifest.

Also rename existing DefaultDialer tests to make them
less verbose.

Bug: 20303674

Change-Id: I84ff215db48384805d0a14920a3fbec008afc73b
6 files changed