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/Strategy.cpp b/services/audiopolicy/engineconfigurable/src/Strategy.cpp
index a539914..310b35e 100644
--- a/services/audiopolicy/engineconfigurable/src/Strategy.cpp
+++ b/services/audiopolicy/engineconfigurable/src/Strategy.cpp
@@ -20,10 +20,8 @@
 
 using std::string;
 
-namespace android
-{
-namespace audio_policy
-{
+namespace android {
+namespace audio_policy {
 
 status_t Element<routing_strategy>::setIdentifier(routing_strategy identifier)
 {