Use ICU in libandroidicu

libicuuc and libicui18n are moved into APEX, but
they have no stable ABI due to the version suffix.

Use libandroidicu which provides stable symbol.
See http://go/apex-stable-icu4c-interface for the design.
See http://aosp/801855 for libandroidicu implementation.

Bug: 117094880
Test: m checkbuild
Merged-In: Iddd85976ce08b3940c376849d4b4165a657df898
Change-Id: Iddd85976ce08b3940c376849d4b4165a657df898
(cherry picked from commit e1cec5d62126db616cd9c642c91b54aaef5888b7)
1 file changed