Merge "Remove feature flag "settings_dynamic_system"" am: 7b84f49b41 am: 3048afdb0a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1541210

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If301821ebc25b51135f26be7fc768b40bc71581e