Convince tsan that the card table isn't a problem.

Also move the #include <sys/mman.h> into "mem_map.h", since it's
currently not possible to make any use of the latter without the
former. If we care about the pollution, we should offer our own
constants as part of our API.

Change-Id: I01ec451d23c1d8afb8cb8a6660af8d9723faf5f5
diff --git a/src/jni_compiler_test.cc b/src/jni_compiler_test.cc
index 2c763b2..f821eee 100644
--- a/src/jni_compiler_test.cc
+++ b/src/jni_compiler_test.cc
@@ -14,9 +14,6 @@
  * limitations under the License.
  */
 
-#include <sys/mman.h>
-
-#include "UniquePtr.h"
 #include "class_linker.h"
 #include "common_test.h"
 #include "dex_file.h"
@@ -27,6 +24,7 @@
 #include "runtime.h"
 #include "scoped_jni_thread_state.h"
 #include "thread.h"
+#include "UniquePtr.h"
 
 extern "C" JNIEXPORT jint JNICALL Java_MyClassNatives_bar(JNIEnv*, jobject, jint count) {
   return count + 1;