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/runtime/oat_file_assistant_test.cc b/runtime/oat_file_assistant_test.cc
index 1ecdd0d..c59dafc 100644
--- a/runtime/oat_file_assistant_test.cc
+++ b/runtime/oat_file_assistant_test.cc
@@ -14,18 +14,21 @@
  * limitations under the License.
  */
 
-#include <string>
-#include <vector>
+#include "oat_file_assistant.h"
+
 #include <sys/param.h>
 
-#include "android-base/strings.h"
+#include <string>
+#include <vector>
+
 #include <gtest/gtest.h>
 
+#include "android-base/strings.h"
+
 #include "art_field-inl.h"
 #include "class_linker-inl.h"
 #include "common_runtime_test.h"
 #include "dexopt_test.h"
-#include "oat_file_assistant.h"
 #include "oat_file_manager.h"
 #include "os.h"
 #include "scoped_thread_state_change-inl.h"