Merge "Enable Gratuitous Neighbor Discovery feature by default." into main am: ac2304f146 am: 17e9a2f8be am: 80fecdf1fb

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/2651479

Change-Id: I7c9c8a77e34423b159a22e5319a26ee6425f0482
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>