Split out connectivity-t-pre-jarjar and tests am: 2ba9dbe163 am: a03f2d68f1 am: c0d09fa313

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1975069

Change-Id: I7c339f9d49334b6d95386093fb9432ce45f5dc08