Causes the current thread to wait until the latch has counted down to zero, unless the thread is Java.Lang.Thread.Interrupt.

If the current count is zero then this method returns immediately.

If the current count is greater than zero then the current thread becomes disabled for thread scheduling purposes and lies dormant until one of two things happen:

• The count reaches zero due to invocations of the CountDownLatch.CountDown method; or
• Some other thread Java.Lang.Thread.Interrupt the current thread.

If the current thread:

• has its interrupted status set on entry to this method; or
• is Java.Lang.Thread.Interrupt while waiting,

[Android Documentation]