Merge "OMXNodeInstance: use a lock in freeNode" into lmp-mr1-dev am: 60719598d5 am: cdf0a102d9 am: 57ac76182e am: 36950f753b
am: a4cc48a3ae

Change-Id: I0d3c62ca84d378acf64ffda1757ac7d2d8e1539c