DO NOT MERGE: Update tzdb version from 2019b to 2019c

Update tzdb version from 2019b to 2019c [Q branch].

This contains icu4c/source/data/misc/metaZones.txt that are the result
of running external/icu/tools/updatecldrdata.py after applying upstream
CLDR commit b7ed15f9ee30d3678ec644220ca3757abb477fb1 to external/cldr.

This was also cross-checked with upstream ICU commit
4d14bd79ad795eecedf91f30ba1ddf9db2fece05.

It also contains .txt and .dat changes from running
system/timezone/update-tzdata.py. See also the changes in
system/timezone.

Bug: 141108188
Test: See system/timezone
Merged-In: Ic55cc8aab9d714f1bb2c11944b57dc4b1d72f46d
Change-Id: I88241bb4f21c0033bd4d9f1fea11f09b3b261665
4 files changed