Merge "[DK2-3]Do not attemp to stop keepalive on nonexistent network" am: 2601e9f82d am: d9b3b6ca0c

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

Change-Id: I2666cb1c933c726b2056068008609b8abb83e523
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>