Merge "Use IDnsResolverUnsolicitedEventListener" am: 3503759a6f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1542744

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Idd84037196d9ee7140869e17a3082aad2bed7599
tree: 9ef12dec721a05affe78f7b2f4238fe7381c2d34
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS