"Move core-icu4j into I18n APEX" Attempt 2

This reverts commit 864e57d545eba19d25ddd1bd8dceee455f9c4b6f.
Reland https://r.android.com/1294615

Bug: 138994281
Test: treehugger
Change-Id: Ia71f57fc1e0c7bbc40652cd01200b2e795f6a146
1 file changed