[Support] Move Stream library from MSF -> Support.

After several smaller patches to get most of the core improvements
finished up, this patch is a straight move and header fixup of
the source.

Differential Revision: https://reviews.llvm.org/D30266

llvm-svn: 296810
diff --git a/llvm/unittests/DebugInfo/PDB/MappedBlockStreamTest.cpp b/llvm/unittests/DebugInfo/PDB/MappedBlockStreamTest.cpp
index abeb421..9f8940b 100644
--- a/llvm/unittests/DebugInfo/PDB/MappedBlockStreamTest.cpp
+++ b/llvm/unittests/DebugInfo/PDB/MappedBlockStreamTest.cpp
@@ -9,14 +9,14 @@
 
 #include "ErrorChecking.h"
 
-#include "llvm/DebugInfo/MSF/BinaryByteStream.h"
-#include "llvm/DebugInfo/MSF/BinaryStreamReader.h"
-#include "llvm/DebugInfo/MSF/BinaryStreamRef.h"
-#include "llvm/DebugInfo/MSF/BinaryStreamWriter.h"
 #include "llvm/DebugInfo/MSF/IMSFFile.h"
 #include "llvm/DebugInfo/MSF/MSFError.h"
 #include "llvm/DebugInfo/MSF/MSFStreamLayout.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
+#include "llvm/Support/BinaryByteStream.h"
+#include "llvm/Support/BinaryStreamReader.h"
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/BinaryStreamWriter.h"
 #include "gtest/gtest.h"
 
 #include <unordered_map>