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/indenter_test.cc b/runtime/indenter_test.cc
index 1a26d7b..09c0c54 100644
--- a/runtime/indenter_test.cc
+++ b/runtime/indenter_test.cc
@@ -14,9 +14,10 @@
  * limitations under the License.
  */
 
-#include "gtest/gtest.h"
 #include "indenter.h"
 
+#include "gtest/gtest.h"
+
 namespace art {
 
 TEST(IndenterTest, MultiLineTest) {