Summary:
Add all status handling in db_properties_test so that it can pass ASSERT_STATUS_CHECKED.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7490

Test Plan: Run the test with ASSERT_STATUS_CHECKED

Reviewed By: jay-zhuang

Differential Revision: D24065382

fbshipit-source-id: e008916155196891478c964df0226545308ca71d