Merge "Change the API signature of DateTimePatternGenerator.getBestPattern" am: 19fd56d767 am: a1335e23ac am: c080e7f7f9

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1662460

Change-Id: I506cc100dfb0e394948b210ba7cb0a734a0a4c26