Update Android ICU tzdata from 2018f to 2018g

Step:
1. Cherry-pick changes in https://github.com/unicode-org/icu/commit/12a71c7dcb88dd51764425a3df773aa83ba5a973
2. Resolve conflict
3. Run ./updateicudata.py

Bug: 117917198
Test: CtsLibcoreTestsCases
Test: CtsLibcoreOjTestCases
Test: CtsIcuTestCases
Test: CtsBionicTestCases

Change-Id: I91c3194efad640c6e93cda954036a54e3b5a99e1
4 files changed