Move up inner class definition

Placing inner class definition right after enclosing class declaration.

Change-Id: If7ec40c96c3c3e54d7f29002b30e178f82a5d9c6
diff --git a/dexgen/src/com/android/dexgen/util/DexClassLoaderHelper.java b/dexgen/src/com/android/dexgen/util/DexClassLoaderHelper.java
index 92a2eb6..97118ea 100644
--- a/dexgen/src/com/android/dexgen/util/DexClassLoaderHelper.java
+++ b/dexgen/src/com/android/dexgen/util/DexClassLoaderHelper.java
@@ -25,6 +25,10 @@
  */
 public class DexClassLoaderHelper {
 
+    private static class DexClassLoaderHelperHolder {
+        private static final DexClassLoaderHelper INSTANCE = new DexClassLoaderHelper();
+    }
+
     private DexClassLoaderHelper() {
         // intentionally empty to disable direct instantiation
     }
@@ -52,8 +56,4 @@
         return new DexClassLoader(pathHolder.getJarFilePath(), pathHolder.getDirLocation(),
                 null, myLoader);
     }
-
-    private static class DexClassLoaderHelperHolder {
-        private static final DexClassLoaderHelper INSTANCE = new DexClassLoaderHelper();
-    }
 }
\ No newline at end of file