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

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

Change-Id: I7f87cf2645c8428354076e58649624d510ccdbb1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>