Transition the Normalizer class to call ICU4j.
The following benchmarks were obtained by running parts of NormalizerTest
benchmark us linear runtime
ICU4cIsNormalized 5.09 ======
ICU4jIsNormalized 5.22 ======
ICU4cNormalize 22.56 ==============================
ICU4jNormalize 21.97 =============================
NormalizerTest still passes after this change on Shamu. This change also
removes the JNI calls and their associated C++ wrappers.
5 files changed