Merge "[DK2-3]Do not attemp to stop keepalive on nonexistent network" am: 2601e9f82d

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2411141

Change-Id: I7ad2b001d6ac57e82ca2ee3d0275d024d2cb6077
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>