Require READ_PHONE_STATE for getNetworkType

-Remove the non-packagename getNetworkType from PIM
 (also removed from AIDL to prevent security workaround).
-Require READ_PHONE_STATE for getNetworkTypeForSubscriber
 or soft-deny and return UNKNOWN.

Bug: 132466954
Test: atest TelephonyManagerPermissionTest
Change-Id: I1b47502c9c1ffd4ecec2db548bbdd89d668bd68f
1 file changed