Cross Reference: /external/libcxx/test/std/thread/thread.threads/thread.thread.this

`Name`	`Date`	`Size`
Up to higher level directory
`get_id.pass.cpp`	05-Oct-2017	`592`
`sleep_for.pass.cpp`	05-Oct-2017	`1.6K`
`sleep_until.pass.cpp`	05-Oct-2017	`1K`
`yield.pass.cpp`	05-Oct-2017	`526`