Merge "Add IpConfigStore testcase to improve the code coverage." am: c0e80ee9f9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2110092

Change-Id: I964edae894f432fbba924a8a9b9bcb3d5ce0f027
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>