Merge "Clear DNS cache after every network access." into stage-aosp-tm-ts-dev am: b9614c3818

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/19250239

Change-Id: I02135a8e70320bcafe1ac9e8253e76f6cf84745d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>