Add dataSpace to buffer queues; remove old format enums.

- Wire up new dataSpace parameter through buffer queue stack
- Update tests to include the parameter
- Switch eglApi to using dataSpace to indicate sRGB gamma/linear
  difference
- Remove RAW_SENSOR in favor of RAW16
- Remove use of sRGB format enums
- Add default dataspace to buffer queue core
- Add query for default dataspace

Change-Id: I070bd2e7c56506055c419004c29e2e3feac725df
diff --git a/libs/gui/StreamSplitter.cpp b/libs/gui/StreamSplitter.cpp
index 8146869..1461337 100644
--- a/libs/gui/StreamSplitter.cpp
+++ b/libs/gui/StreamSplitter.cpp
@@ -141,7 +141,8 @@
 
     IGraphicBufferProducer::QueueBufferInput queueInput(
             bufferItem.mTimestamp, bufferItem.mIsAutoTimestamp,
-            bufferItem.mCrop, static_cast<int32_t>(bufferItem.mScalingMode),
+            bufferItem.mDataSpace, bufferItem.mCrop,
+            static_cast<int32_t>(bufferItem.mScalingMode),
             bufferItem.mTransform, bufferItem.mIsDroppable,
             bufferItem.mFence);