Merge "Add network created callback support" am: 1b7563cb1e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1652209

Change-Id: Ibd2d575b5e3bdfc164c4721bc5bbb0c8b90601e0
tree: c040581d1fd16e19984d3c8ead44245afc2d457d
  1. framework/
  2. service/
  3. OWNERS
  4. TEST_MAPPING