Remove unused libcore.icu.ICU from LocaleStoreTest am: 686c483147

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/localepicker/+/12128094

Change-Id: Ib117da4a6c81c30ee538788fc115b145f4b24a0a
tree: a7c8f84226ea515543f8a03feb4bd0ad84230610
  1. Android.bp
  2. AndroidManifest.xml
  3. res/
  4. src/
  5. tests/