Merge "Move ACTION_CLEAR_DNS_CACHE to ConnectivityManager" am: ed4117ff40 am: 2cac9e94ba am: 21dbcf362f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1667080

Change-Id: I5fd350d67065211b84dbea769d258daff9780276
tree: ea070e8bc0d301951cc69d11773e39c226fa0dca
  1. framework/
  2. service/
  3. test/
  4. OWNERS
  5. TEST_MAPPING