Merge changes from topic "restricted-networking-mode" am: 1d156cb04e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1505234

Change-Id: I5e1d114c34e185d0b7f9bc68772431065d852dd0
tree: 08c6a0f0a174e3b036d41aeeccf218e2a1b69b63
  1. core/
  2. services/
  3. tests/