Merge "Accept repeated locale as an input of LocaleList construction." into oc-mr1-dev am: dcc3d1d5 am: d08edcca am: 04a48ca0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12524366

Change-Id: Ic1659e7490ccd09964b793b84f8c466ddb562344