libaudioHAL: reduce version specific code

Bug: 134940862
Test: Plays audio
Change-Id: Ia8c99c0600425321b4b30ac341168101960eed59
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp b/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
index 3f68d07..0e1f1bb 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
+++ b/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
@@ -17,9 +17,10 @@
 #define LOG_TAG "DevicesFactoryHalHybrid"
 //#define LOG_NDEBUG 0
 
+#include "DevicesFactoryHalHidl.h"
 #include "DevicesFactoryHalHybrid.h"
 #include "DevicesFactoryHalLocal.h"
-#include "DevicesFactoryHalHidl.h"
+#include <libaudiohal/FactoryHalHidl.h>
 
 namespace android {
 namespace CPP_VERSION {
@@ -36,6 +37,12 @@
     }
     return mLocalFactory->openDevice(name, device);
 }
-
 } // namespace CPP_VERSION
+
+template <>
+sp<DevicesFactoryHalInterface> createFactoryHal<AudioHALVersion::CPP_VERSION>() {
+    auto service = hardware::audio::CPP_VERSION::IDevicesFactory::getService();
+    return service ? new CPP_VERSION::DevicesFactoryHalHybrid(service) : nullptr;
+}
+
 } // namespace android