Implement "More privacy settings"

Safety Center is enabled, the existing "Privacy" screen will be
different in a few ways:

1. Its title will become "More privacy settings"
2. A few preferences will be hidden
3. A few preferences will be reworded
4. The ordering of a few preferences will change
5. The PRIVACY_SETTINGS intent will now point to Safety Center;
   PRIVACY_ADVANCED_SETTINGS will point to "More privacy settings".

Test: manual
Bug: 222127397
Change-Id: I74faf770babb34f775b2ef572248e550ea683ab3