Merge "Add am command to list sysconfig to the bg restriction exemptions" into tm-dev am: a3bc30b5 am: 5b0d1dee

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17103908

Change-Id: Ia671c26473fd659594e0aedd098969c2b4e1363e