Merge "OMXNodeInstance: use a lock in freeNode" into lmp-mr1-dev am: 60719598d5 am: cdf0a102d9 am: 57ac76182e am: 36950f753b am: a4cc48a3ae
am: f3b4e5d222

Change-Id: I1b49e5ab4ed73322d7bd6c8d43df1d0d6f43c4fa