Align LibAudioHal V2 and V4 for factorisation

In order to merge the two version, they must first align as much
as possible.

Test: playback music, assistant
Change-Id: If517cc3f4646a224af3e9b3d42b68a75f1801b39
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/media/libaudiohal/4.0/VersionUtils.h b/media/libaudiohal/4.0/VersionUtils.h
index 1246c2e..4c5b7d9 100644
--- a/media/libaudiohal/4.0/VersionUtils.h
+++ b/media/libaudiohal/4.0/VersionUtils.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef ANDROID_HARDWARE_VERSION_UTILS_4_0_H
-#define ANDROID_HARDWARE_VERSION_UTILS_4_0_H
+#ifndef ANDROID_HARDWARE_VERSION_UTILS_H
+#define ANDROID_HARDWARE_VERSION_UTILS_H
 
 #include <android/hardware/audio/4.0/types.h>
 #include <hidl/HidlSupport.h>
@@ -46,4 +46,4 @@
 } // namespace V4_0
 } // namespace android
 
-#endif // ANDROID_HARDWARE_VERSION_UTILS_4_0_H
+#endif // ANDROID_HARDWARE_VERSION_UTILS_H