Merge "Accept repeated locale as an input of LocaleList construction." into rvc-dev am: 5cacc10912 am: c6b94720da am: f96042120e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12513781

Change-Id: I6213124b24ed24c5f1c3634c626c76fd70c30371