DO NOT MERGE Cherry-pick dataSpace and BufferItem changes
DO NOT MERGE Add dataSpace to buffer queues; remove old format enums.
(cherry picked from commit 82c6bcc9)
DO NOT MERGE libgui: Prepare for IGBC::BufferItem removal
(cherry picked from commit cf3834db)
DO NOT MERGE SurfaceFlinger: Stop using IGBC::BufferItem
(cherry picked from commit 11611f9b)