API review cleanups.

1) Make all exposed APIs SystemApi, instead of public APIs.
2) Indicate SipException when errors happen.
3) Change API name from getListOfProfiles to getProfiles

Test: make, atest TeleServiceTests:PhoneGlobalsTest
Bug: 148604927
Change-Id: I35a564a7bb708f598f520f28a3aa2d32e95fa092
1 file changed