ICU changes for 2018a/b/c

This change contains updates from changesets:
40787 (2018a)
40794 (2018b)
40798 (2018c)

The following files were regenerated using
system/timezone/update-tzdata.py:

icu4c/source/data/misc/zoneinfo64.txt
icu4c/source/stubdata/icudt60l.dat
icu4j/main/shared/data/icudata.jar
icu4j/main/shared/data/icutzdata.jar

See also changes in system/timezone.

Test: Ran icu4c tests / icu4j tests
Test: CTS: run -m CtsIcuTestCases
Bug: 72057587
Change-Id: I9f531dbb536c29f7eb5311608194696f5dc835c8
10 files changed