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 82c6bcc9705eabcaf5b9e45bc81867b0e2d61a02)

DO NOT MERGE libgui: Prepare for IGBC::BufferItem removal
(cherry picked from commit cf3834db104e0b052056e3a06d46e3f222f0d372)

DO NOT MERGE SurfaceFlinger: Stop using IGBC::BufferItem
(cherry picked from commit 11611f9be590480d7ea27bf0153558573ddcded2)
diff --git a/include/gui/Surface.h b/include/gui/Surface.h
index 863f22b..40e2fc1 100644
--- a/include/gui/Surface.h
+++ b/include/gui/Surface.h
@@ -146,6 +146,7 @@
     int dispatchLock(va_list args);
     int dispatchUnlockAndPost(va_list args);
     int dispatchSetSidebandStream(va_list args);
+    int dispatchSetBuffersDataSpace(va_list args);
 
 protected:
     virtual int dequeueBuffer(ANativeWindowBuffer** buffer, int* fenceFd);
@@ -168,6 +169,7 @@
     virtual int setBuffersTransform(uint32_t transform);
     virtual int setBuffersStickyTransform(uint32_t transform);
     virtual int setBuffersTimestamp(int64_t timestamp);
+    virtual int setBuffersDataSpace(android_dataspace dataSpace);
     virtual int setCrop(Rect const* rect);
     virtual int setUsage(uint32_t reqUsage);
 
@@ -223,6 +225,11 @@
     // a timestamp is auto-generated when queueBuffer is called.
     int64_t mTimestamp;
 
+    // mDataSpace is the buffer dataSpace that will be used for the next buffer
+    // queue operation. It defaults to HAL_DATASPACE_UNKNOWN, which
+    // means that the buffer contains some type of color data.
+    android_dataspace mDataSpace;
+
     // mCrop is the crop rectangle that will be used for the next buffer
     // that gets queued. It is set by calling setCrop.
     Rect mCrop;