Merge "Adding android.icu.text.AlphabeticIndex implementation for AlphabeticIndexCompat as libcore.icu.AlphabeticIndex is no longer available in N" into ub-launcher3-calgary
am: 712a7f0c4e

* commit '712a7f0c4ebdc08c6573238a5b33d153a8c10ac8':
  Adding android.icu.text.AlphabeticIndex implementation for AlphabeticIndexCompat as libcore.icu.AlphabeticIndex is no longer available in N

Change-Id: I448b52982afafa553fb6b6650b8e9c4cc3f55504