Sort the #include lines for tools/...

Again, tools are trickier to pick the main module header for than
library source files. I've started to follow the pattern of using
LLVMContext.h when it is included as a stub for program source files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169252 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-dis/llvm-dis.cpp b/tools/llvm-dis/llvm-dis.cpp
index 41f023d..cea6219 100644
--- a/tools/llvm-dis/llvm-dis.cpp
+++ b/tools/llvm-dis/llvm-dis.cpp
@@ -17,21 +17,21 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/LLVMContext.h"
-#include "llvm/DebugInfo.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/Assembly/AssemblyAnnotationWriter.h"
+#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/DebugInfo.h"
+#include "llvm/IntrinsicInst.h"
+#include "llvm/Module.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/DataStream.h"
 #include "llvm/Support/FormattedStream.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/ToolOutputFile.h"
 #include "llvm/Support/Signals.h"
+#include "llvm/Support/ToolOutputFile.h"
 #include "llvm/Support/system_error.h"
+#include "llvm/Type.h"
 using namespace llvm;
 
 static cl::opt<std::string>