Merge PR #24107 into master

* refs/pull/24107/head:
	common: Lock -> lock, Unlock -> lock, TryLock -> try_lock
	common: Mutex::Locker -> std::lock_guard<Mutex>
	common/Mutex: typedef lock_guard<Mutex> Locker
	common/Mutex: Lock -> lock, Unlock -> unlock
	common/Mutex: kill mutex_perf_counter

Reviewed-by: Radoslaw Zarzynski <rzarzyns@redhat.com>