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
am: 9f03c8306c  -s ours

Change-Id: I9c5b41e0607194674b24a0fcccc1b1c509d8229e