[automerger skipped] DO NOT MERGE Add mock filegroups to deal with merge conflict problem am: dc72f289c1 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/16927065

Change-Id: I3097985bebe86b2f04ed417316c36b483404355a