Move constant initializations from onFirstRef() to constructor

Change-Id: I57f55b0bd1edee105c58c3a055f95f1e4a2c9646
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 59c7f84..fe84893 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -210,8 +210,9 @@
 AudioFlinger::AudioFlinger()
     : BnAudioFlinger(),
       mPrimaryHardwareDev(NULL),
-      mHardwareStatus(AUDIO_HW_IDLE), // see also onFirstRef()
+      mHardwareStatus(AUDIO_HW_IDLE),
       mMasterVolume(1.0f),
+      mMasterVolumeSW(1.0f),
       mMasterVolumeSupportLvl(MVS_NONE),
       mMasterMute(false),
       mNextUniqueId(1),
@@ -241,9 +242,6 @@
     }
 
     mMode = AUDIO_MODE_NORMAL;
-    mMasterVolumeSW = 1.0;
-    mMasterVolume   = 1.0;
-    mHardwareStatus = AUDIO_HW_IDLE;
 }
 
 AudioFlinger::~AudioFlinger()