Add libcore.tzdata.shared2 tests to libcore CTS

They were removed when the tzdata.shared2 code was moved
into a separate package.

Bug: 31008728
Test: run cts -m CtsLibcoreTestCases -t libcore.tzdata.shared2
Merged-In: I95c476879fc9bd88e24793f606abdf1421a852d4
Change-Id: I95c476879fc9bd88e24793f606abdf1421a852d4
1 file changed