Fix contacts index labels for i18n

Switch ContactsProvider to using ICU for generation of index labels,
and remove custom KO and JA code. Add i18n test cases.

Bug:7351596
Change-Id: I7ac25add8b29ff2c6c395f04a83b279b541e4125
7 files changed
tree: 1a76447eebd49c0b3a5e605a64a1ec74ec942dee
  1. android/
  2. dist/
  3. CleanSpec.mk