Merge "Update preferences to Material Next styling" into sc-dev am: b177133e7b am: aa6aa7bb69 am: d8998a9fab

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14740617

Change-Id: I3bbb410edf9f9f3f799f3c4da307c80d21de51ac