Merge "Clear DNS cache after every network access." into stage-aosp-tm-ts-dev am: b9614c3818 am: 6745ba4245 am: 607959b360

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

Change-Id: Ifeddb0e2163c3c55be1e81a377c9d8fb59bf9925
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>