Add a few apps to mainline_system.

- LiveWallPapersPicker is included virtually everywhere
- PartnerBookmarksProvider is required by other apps
- SafetyRegulatoryInfo shows html content from a res overlay
- DMService, RcsService and Stk are all telephony apps
  of some sort.

Bug: 80410283
Test: lunch mainline_arm64; m nothing
Change-Id: I5afabc7dcc4ca320f06fdc4a2669fb1b81e53b0b