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/libs/gui/ConsumerBase.cpp b/libs/gui/ConsumerBase.cpp
index 5fc83ee..c8b5d0c 100644
--- a/libs/gui/ConsumerBase.cpp
+++ b/libs/gui/ConsumerBase.cpp
@@ -27,6 +27,7 @@
 
 #include <hardware/hardware.h>
 
+#include <gui/BufferItem.h>
 #include <gui/IGraphicBufferAlloc.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/SurfaceComposerClient.h>
@@ -179,7 +180,7 @@
     }
 }
 
-status_t ConsumerBase::acquireBufferLocked(BufferQueue::BufferItem *item,
+status_t ConsumerBase::acquireBufferLocked(BufferItem *item,
         nsecs_t presentWhen) {
     status_t err = mConsumer->acquireBuffer(item, presentWhen);
     if (err != NO_ERROR) {
@@ -199,6 +200,17 @@
     return OK;
 }
 
+status_t ConsumerBase::acquireBufferLocked(BufferQueue::BufferItem *outItem,
+        nsecs_t presentWhen) {
+    BufferItem item;
+    status_t result = acquireBufferLocked(&item, presentWhen);
+    if (result != NO_ERROR) {
+        return result;
+    }
+    *outItem = item;
+    return NO_ERROR;
+}
+
 status_t ConsumerBase::addReleaseFence(int slot,
         const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence) {
     Mutex::Autolock lock(mMutex);