Merge "[conflict] Merge "Add test for Vpn#prepare()" into sc-dev am: f89a629776 am: 66737a8c5d" into sc-qpr1-dev-plus-aosp am: cbab8c3ca9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/16527483

Change-Id: I1377033f88bd4a2dbb0bc6a79aad6f369b9fc62c