API changes for slicing upsell

Remove result OVERRIDDEN and replace with NOT_FOREGROUND since only
foreground applications should be able to request premium capabilities.
Require permission INTERNET in addition to READ_BASIC_PHONE_STATE.

Test: CTS and manual
Bug: 253679107
Bug: 262298993
Change-Id: I87ac0ba772214c96637ee07e28cc1346c4b5dcf5