Merge "Add unit test to verify retrieving and storing the network events." into main am: b3a32facbf am: 88aa33ca0b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3249943

Change-Id: Ia4057a8616c1fc121f6836686bb91e23db48a6c9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>