Merge "Track graphic buffer mode in OMXNodeInstance" into mnc-dev am: 659a498ca0 am: e77ea73939 am: 410f48c5e3 am: 57c83e2226  -s ours am: 177ee220b9  -s ours
am: c66d4db705  -s ours

Change-Id: Id1e1ec84d35e12a3ae7ee0e991bcf7729a5e4377