ART: Include cleanup

Let clang-format reorder the header includes.

Derived with:

* .clang-format:
 BasedOnStyle: Google
 IncludeIsMainRegex: '(_test|-inl)?$'

* Steps:
 find . -name '*.cc' -o -name '*.h' | xargs sed -i.bak -e 's/^#include/ #include/' ; git commit -a -m 'ART: Include cleanup'
 git-clang-format -style=file HEAD^
 manual inspection
 git commit -a --amend

Test: mmma art
Change-Id: Ia963a8ce3ce5f96b5e78acd587e26908c7a70d02
diff --git a/test/ti-stress/stress.cc b/test/ti-stress/stress.cc
index aa50648..06d5af0 100644
--- a/test/ti-stress/stress.cc
+++ b/test/ti-stress/stress.cc
@@ -14,18 +14,18 @@
  * limitations under the License.
  */
 
-#include <jni.h>
-#include <stdio.h>
-#include <iostream>
-#include <iomanip>
+#include <cstdio>
 #include <fstream>
+#include <iomanip>
+#include <iostream>
 #include <memory>
-#include <stdio.h>
 #include <sstream>
 #include <strstream>
 
-#include "jvmti.h"
+#include <jni.h>
+
 #include "exec_utils.h"
+#include "jvmti.h"
 #include "utils.h"
 
 namespace art {