Merge "Throw an error if a shell command results in an error." am: 90a74273e7

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2064787

Change-Id: Id2efd02d6318fff5bf1ffda26a61413f8c05c7ea
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>