Merge "Track graphic buffer mode in OMXNodeInstance" into lmp-dev am:...

Merge "Track graphic buffer mode in OMXNodeInstance" into lmp-dev am: 7b27979c  -s ours am: 5095462e  -s ours am: 12e787d3  -s ours am: 33d5c396  -s ours am: d4ebb1c1  -s ours am: 1e4f17cc  -s ours am: f683584e  -s ours am: 4a969bc3  -s ours am: 52c241ed  -s ours
am: c9cdb1e9  -s ours

Change-Id: If28f0be8aca93143a4cbc93db40f85a17741de04