tree 17a71d4b73aa9b0f00f38e6d1be87c2030527282
parent b9ca83a81731654156144598ae334d1788d27629
author Rayhaan Jaufeerally <rayhaan@google.com> 1437057179 +0100
committer Narayan Kamath <narayan@google.com> 1437730923 +0000

Convert IDN to use ICU4j instead of ICU4c.

Apache harmony tests still pass after this change, and
new tests have been added to verify that this meets the
specification defined in http://unicode.org/reports/tr46/.

The benchmarks below show the performance penalty from not doing
this natively.
          benchmark   us linear runtime
        JavaToAscii 59.6 =========================
      JavaToUnicode 68.9 ==============================
      NativeToAscii 11.2 ====
    NativeToUnicode 13.8 ======

Change-Id: Ie3fd1d439d9fc2651f5f1773676d12409c430c83