Add libicu into i18n-module-sdk am: 9ff7587e25 am: cdaa5cda6a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/RuntimeI18n/+/1434091

Change-Id: I210a4dbd47a901c1efbffe6eaee954921fe7890a
tree: 886ad8f05dedc5bede17636c7cc8e059949afcc8
  1. apex/