Add 'quarter' support to RelativeDateFormat

1. Do not trim 'quarter'-related strings from the locale data
   and regenerate the ICU data files.
   ICU data file size is increased by 24 ~ 35 kB.

2. Chery-pick upstream patch to support quarter in RelativeDateFormat

upstream bug:
PR to fix:

This will unblock the following CL:

Bug: v8:7869
Test: See the bug
Change-Id: I11740d9b2a1fdb9b2f7bb497eda2746353fa8428
Reviewed-by: Jungshik Shin <>
11 files changed