Merge "Revert "Not using shell command to enable test provider"" into sc-v2-dev am: a4937b2270

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15562850

Change-Id: I1e4f48f0d0fc375c13091297c30cc0f73f454010