Update telephony tests to use new phone number access check

The targetSdkVersion, permission, and app op checks for the
phone number access have been refactored to the
LegacyPermissionManager. This commit updates the telephony tests
to mock this new API as required by the tests.

Bug: 159662444
Test: atest TelephonyPermissionsTest
Test: atest SubscriptionControllerTest
Change-Id: Idcb2d09ca2edfbb0db619a4cd8247333bd54dab3