Set min_sdk_version to 31 for CtsHostsideNetworkTestsAidl. am: 4071ab64a1 am: 842422ab36

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3256719

Change-Id: I91bbe37b9a26758e74c502931451f53ea45bf563
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>