Use icu4c for CLDR "yesterday", "today", and "tomorrow" strings.

(cherry-pick of 47a0539ecaf7d7a15008704bd89f748aebf85d47.)

Conflicts:

	core/res/res/values/public.xml

Bug: 6811501
Change-Id: Ifb2e030a9fda85a7f664feac812b63e67780e68f
73 files changed