Add support for network boost purchase, failure, and expiry

Create a JavaScript interface allowing websites to send responses to
SliceStore
Add support for premium capability purchase, failure, and expiry
Create new result for success but pending network setup

Bug: 245882601
Test: manual test response, purchase, expiry, failure
Test: atest TelephonyManagerReadNonDangerousPermissionTest#testPremiumCapabilities
Change-Id: I51fc674f37679fb0eb1314e7b0939555d0767f87