Merge "Split NetworkUtils and NetworkUtilsInternal" am: caa437cae0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1513140

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iaa5503f829077f70803e2e865f58c6e4691d1a73
tree: dc4b1e0f8f68bbe9140603eb6b34a6fef954e373
  1. core/
  2. services/
  3. tests/
  4. OWNERS