audiopolicy: engineconfigurable: apply coding style

Test: make

Change-Id: Ibfa26a5893e4481619f407f9b1cb679f96e8a7e9
Signed-off-by: François Gaffie <francois.gaffie@renault.com>
diff --git a/services/audiopolicy/engineconfigurable/src/Engine.h b/services/audiopolicy/engineconfigurable/src/Engine.h
index 328d23d..ba4f889 100644
--- a/services/audiopolicy/engineconfigurable/src/Engine.h
+++ b/services/audiopolicy/engineconfigurable/src/Engine.h
@@ -21,12 +21,10 @@
 #include <AudioPolicyPluginInterface.h>
 #include "Collection.h"
 
-namespace android
-{
+namespace android {
 class AudioPolicyManagerObserver;
 
-namespace audio_policy
-{
+namespace audio_policy {
 
 class ParameterManagerWrapper;
 class VolumeProfile;