Merge "Delete the LinkAddress in cache when RTM_DELADDR is received" am: c27b04314d am: 61cca7c8e8 am: 118e97dd10

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2588506

Change-Id: I201fb32c038fb525d24956364c4ce1b9288de8e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>