Merge "Accept repeated locale as an input of LocaleList construction." into oc-dev am: 00ec7767a9 am: 9d81730088 am: 71151c2788 am: c98bb7e415

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12522926

Change-Id: Ie9b6cc7b4957298f220dacf98c29a5d237ae2d54