Merge "Track graphic buffer mode in OMXNodeInstance" into lmp-mr1-dev am: 94c1663ec9  -s ours am: 5bc8146ac4  -s ours am: e3c114277f  -s ours am: dce95dc139  -s ours
am: 2388b54423  -s ours

Change-Id: I1a8647c09e683c7dd079d3fb3ade517338017e69