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.cpp b/services/audiopolicy/engineconfigurable/src/Engine.cpp
index 0d18ffa..bcd7b22 100644
--- a/services/audiopolicy/engineconfigurable/src/Engine.cpp
+++ b/services/audiopolicy/engineconfigurable/src/Engine.cpp
@@ -35,10 +35,9 @@
 using std::string;
 using std::map;
 
-namespace android
-{
-namespace audio_policy
-{
+namespace android {
+namespace audio_policy {
+
 template <>
 StrategyCollection &Engine::getCollection<routing_strategy>()
 {