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-stress/llvm-stress.cpp b/tools/llvm-stress/llvm-stress.cpp
index 8473d94..ce798f7 100644
--- a/tools/llvm-stress/llvm-stress.cpp
+++ b/tools/llvm-stress/llvm-stress.cpp
@@ -12,24 +12,24 @@
 //
 //===----------------------------------------------------------------------===//
 #include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
+#include "llvm/Analysis/Verifier.h"
+#include "llvm/Assembly/PrintModulePass.h"
+#include "llvm/CallGraphSCCPass.h"
 #include "llvm/Constants.h"
 #include "llvm/Instruction.h"
-#include "llvm/CallGraphSCCPass.h"
-#include "llvm/Assembly/PrintModulePass.h"
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Support/PassNameParser.h"
+#include "llvm/Module.h"
+#include "llvm/PassManager.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/PassNameParser.h"
 #include "llvm/Support/PluginLoader.h"
 #include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/ToolOutputFile.h"
-#include <memory>
-#include <sstream>
-#include <set>
-#include <vector>
 #include <algorithm>
+#include <memory>
+#include <set>
+#include <sstream>
+#include <vector>
 using namespace llvm;
 
 static cl::opt<unsigned> SeedCL("seed",