Merge "Fix setApplicationNightMode did not persist night mode." into sc-dev am: 5b1b2b15 am: 6c62e1ce am: 001c86ae

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15270812

Change-Id: Ic782aae533522b26293a4610ae3d9907f00dc59c