Merge changes from topic "revert-1532910-connectivity_jar_in_apex-LKXFLQGLIU"

* changes:
  Revert "Set setCurrentProxyScriptUrl as public"
  Revert "Move service-connectivity to the tethering APEX"
tree: 95b4be5257be6978c68eeaad60d437f023e32c5c
  1. core/
  2. service/
  3. services/
  4. tests/
  5. OWNERS