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:
  https://unicode-org.atlassian.net/browse/ICU-20022
PR to fix:
   https://github.com/unicode-org/icu/pull/77

This will unblock the following CL:
  https://chromium-review.googlesource.com/c/v8/v8/+/1214522

TBR=ftang@chromium.org

Bug: v8:7869
Test: See the bug
Change-Id: I11740d9b2a1fdb9b2f7bb497eda2746353fa8428
Reviewed-on: https://chromium-review.googlesource.com/1214642


Reviewed-by: Jungshik Shin <jshin@chromium.org>