Add a host CTS test for LocationTimeZoneManager

Add a hostside CTS test for LocationTimeZoneManagerService.

CTS tests are required for metrics approval.

Also adjust an existing OWNERS file to match the new OWNERS file.

Bug: 172934905
Test: atest CtsLocationTimeZoneManagerHostTest
Change-Id: Icd4d301b4f6d890649c76e4e9689d82423cf8e5b
9 files changed