Merge "Add idleTimer existence check before removing idleTimer" am: 40177cf4cb

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2605753

Change-Id: I950d4b79acc513e9194e352da6f62eb13ea13c9e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>