Merge "Add public getter for IpPrefix" into main am: 149868f1b1 am: 3c2646c6fe am: f11977c45c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2802926

Change-Id: Ie07a5611f9250fcefef039297f0fd09cc7f53111
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>