Move "using namespace tensorflow" declaration in tensorflow_jni.cc so that int64 global variable will be covered.

Change: 116880050

Author: andrewharp

tensorflow/examples/android/jni/tensorflow_jni.cc

@@ -35,6 +35,8 @@ limitations under the License.
 #include "tensorflow/core/public/session.h"
 #include "tensorflow/examples/android/jni/jni_utils.h"
 
+using namespace tensorflow;
+
 // Global variables that holds the Tensorflow classifier.
 static std::unique_ptr<tensorflow::Session> session;
 
@@ -49,8 +51,6 @@ static int g_image_mean;  // The image mean.
 static int g_num_runs = 0;
 static int64 g_timing_total_us = 0;
 
-using namespace tensorflow;
-
 inline static int64 CurrentThreadTimeUs() {
   struct timeval tv;
   gettimeofday(&tv, NULL);