The libcore.timezone APIs may form the basis for some
new SystemApis. Before starting that process the API
surface is being rationalized to establish the core
use cases.
Test: Treehugger
Bug: 139091367
Change-Id: Ib615976fae76ceb98873a33e1e995542e691c9d0
Merged-In: Ib615976fae76ceb98873a33e1e995542e691c9d0
(cherry picked from commit babab5cd6a)