Regenerate data files for ICU 70.1 upgrade

Binary data files updated using:
system/timezone/update-tzdata.py

This updates the ICU version number inside of icu_tzdata.dat but doesn't
change the timezone data itself.

Bug: 202948901
Test: n/a
Change-Id: Ifca3961f79a3b870f154d5e61371a6c9789923f3
21 files changed