Revert "Revert "Add icu4j to core-libart.jar.""

This reverts commit 3b59929cb9978453c8bc81cf7e222c40fa42ce90.

Fixes the original flaky build issues and fixes a typo caught
by the previous review.

Change-Id: Ia8a008b75dba51980b064f9689477b8698bcfa5c
4 files changed