Merge "Add NetworkRequest.Builder creating from an existing instance" am: 074c7d7537

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1649294

Change-Id: Ib990cb25d50c11b103e248c0c13c584e78aa3450
tree: 4327841677d73d02eefebf4d1317754e010d55e3
  1. framework/
  2. service/
  3. OWNERS
  4. TEST_MAPPING