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/BufferQueueConsumer.h b/include/gui/BufferQueueConsumer.h
index 898c451..92127c1 100644
--- a/include/gui/BufferQueueConsumer.h
+++ b/include/gui/BufferQueueConsumer.h
@@ -48,6 +48,8 @@
     // is CLOCK_MONOTONIC.
     virtual status_t acquireBuffer(BufferItem* outBuffer,
             nsecs_t expectedPresent);
+    virtual status_t acquireBuffer(android::BufferItem* outBuffer,
+            nsecs_t expectedPresent);
 
     // See IGraphicBufferConsumer::detachBuffer
     virtual status_t detachBuffer(int slot);
@@ -128,6 +130,13 @@
     // in dequeueBuffer. The initial default is HAL_PIXEL_FORMAT_RGBA_8888.
     virtual 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
+    virtual status_t setDefaultBufferDataSpace(
+            android_dataspace defaultDataSpace);
+
     // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
     // These are merged with the bits passed to dequeueBuffer.  The values are
     // enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.