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/Stream.h b/services/audiopolicy/engineconfigurable/src/Stream.h
index 6902003..2bf70b3 100644
--- a/services/audiopolicy/engineconfigurable/src/Stream.h
+++ b/services/audiopolicy/engineconfigurable/src/Stream.h
@@ -21,10 +21,9 @@
 #include <RoutingStrategy.h>
 #include <map>
 
-namespace android
-{
-namespace audio_policy
-{
+namespace android {
+namespace audio_policy {
+
 /**
  * @tparam routing_strategy: Applicable strategy for this stream.
  */