Merge "Migrate away from AsyncChannel in NetworkAgent" am: abf3317103 am: 9156ffa5a5

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1483962

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7aa23752ed86096651e122b8497180052fa16337
tree: 14f90683737ef6664f50fe3ebdd6c8aad154c5c8
  1. core/
  2. service/
  3. services/
  4. tests/
  5. OWNERS