Merge "No-op Refactoring of startTrackDefaultNetwork" am: 7fecf6a017 am: 784f54eefb am: 2584246084

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1697371

Change-Id: I189d3645845c462dfd7de3ae3190a50f5f726656