Merge changes from topic "am-dc3ce6d99e174092972105b162ad41f3" into rvc-qpr-dev-plus-aosp

* changes:
  [automerger skipped] Skip the legacy stats recording if DNS requests are denied by network policy am: 8c45bfb8 am: 19671c3f -s ours am: 81f21e6d -s ours
  [automerger skipped] Fix the side channel attack by using aysnc DnsResolver API with FLAG_NO_CACHE_STORE am: b9a10a82 am: d6627fbb -s ours am: 89128ff7 -s ours
  [automerger skipped] Get rid of libnetd_test_dnsresponder from DnsResolver tests am: 638d7e4e am: acf7b81a -s ours am: 612471d1 -s ours