[automerger skipped] Merge "Added a DevicePolicyManager.setDeviceOwnerOnly() method." into sc-v2-dev am: 442864ca am: 8463df1a -s ours

am skip reason: skipped by user felipeal

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15936907

Change-Id: I4b448c92e26a83c62addd2a26abf47e9d6fb7660