Merge "OMXNodeInstance: use a lock in freeNode" into lmp-mr1-dev am: 60719598d5 am: cdf0a102d9 am: 57ac76182e am: 36950f753b am: a4cc48a3ae am: f3b4e5d222 am: 73a7e98790 am: 0b306b0517 am: bef1ae9f4d am: 6c930ece3c  -s ours am: 40f6d8a086 am: 29f32408c6 am: 9681a8d4de
am: 2f7e44b1e6

Change-Id: Icdbb753d5a1fe9de504e94188b82c3f914a46f4d