Skip the unnecessary attempt to retrieve the server side dynamic config for ConnectivityManagerTest. am: 93b3d29a89

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3184321

Change-Id: I98fd0e3f5129b5a22ea7d9316621777a8cbc679b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>