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/BufferItemConsumer.h b/include/gui/BufferItemConsumer.h
index 869b470..57e121e 100644
--- a/include/gui/BufferItemConsumer.h
+++ b/include/gui/BufferItemConsumer.h
@@ -76,8 +76,10 @@
     //
     // If waitForFence is true, and the acquired BufferItem has a valid fence object,
     // acquireBuffer will wait on the fence with no timeout before returning.
-    status_t acquireBuffer(BufferItem *item, nsecs_t presentWhen,
-        bool waitForFence = true);
+    status_t acquireBuffer(BufferQueue::BufferItem *item, nsecs_t presentWhen,
+            bool waitForFence = true);
+    status_t acquireBuffer(android::BufferItem* item, nsecs_t presentWhen,
+            bool waitForFence = true);
 
     // Returns an acquired buffer to the queue, allowing it to be reused. Since
     // only a fixed number of buffers may be acquired at a time, old buffers
@@ -96,6 +98,13 @@
     // GraphicBuffers of a defaultFormat if no format is specified
     // in dequeueBuffer
     status_t setDefaultBufferFormat(PixelFormat defaultFormat);
+
+    // setDefaultBufferDataSpace allows the BufferQueue to create
+    // GraphicBuffers of a defaultDataSpace if no data space is specified
+    // in queueBuffer.
+    // The initial default is HAL_DATASPACE_UNKNOWN
+    status_t setDefaultBufferDataSpace(android_dataspace defaultDataSpace);
+
 };
 
 } // namespace android