Merge "Accept repeated locale as an input of LocaleList construction." into oc-mr1-dev am: dcc3d1d5fd am: d08edccaf0

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

Change-Id: Iedf41c30950c1c0210d6b5fbda7d6a5a40ace676