Add JapaneseUtilsTest

Bug: 237467631
Test: atest JapaneseUtilsTest
Change-Id: I7b69f1301da585a52bd7c4b528dc7b032c7a4f5e
3 files changed
tree: 36867a566aaa43138b2096a0aaa78fe63093bc9f
  1. java/
  2. tests/
  3. Android.bp
  4. build.gradle
  5. OWNERS