Improved the test program omx_multithread_wait_any
Improved the test program omx_multithread_wait_any

Add an option (-D) to set the delay between two message sendings.

ananos/open-mx,ananos/xen2mx,ananos/open-mx,ananos/open-mx,ananos/xen2mx,ananos/xen2mx,ananos/xen2mx