APEX configs support 'on' as well am: badb7de1a2 am: bc3ec37dad

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2093004

Change-Id: I6b656e0e9de265f1532406236d38578e2a99cf7f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>