Merge "Accept repeated locale as an input of LocaleList construction." into pi-dev am: 7411fd94 am: 394fb1c8 am: 69eec917

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12513538

Change-Id: I0b5be5b109fd8680c1d69c803691d592f6d0b32e