audioflinger: don't do work in constructor, instead do it in onFirstRef

Change-Id: I22d9e01821816c3beb52b014330386c7fd2f0411
Signed-off-by: Dima Zavin <dima@android.com>
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 94f7861..22e5116 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -212,6 +212,8 @@
                             AudioFlinger();
     virtual                 ~AudioFlinger();
 
+    status_t                initCheck() const;
+    virtual     void        onFirstRef();
     audio_hw_device_t*      findSuitableHwDev_l(uint32_t devices);
 
     // Internal dump utilites.