audio: Subsystem Restart changes

 - Handle new ADSP status parameter
   - media/libmedia: Add new ADSP status audio parameter
   - framework/av: Add handling of new key-pair value in
     Audio Flinger

 - Handle Tunnel mode SubSys Restart
   - framework/av: Post SSR event to Audio Flinger
   - media/libmedia: Post SSR event to AudioTrack
   - media/libmediaplayerservice: Post SSR event to
     MediaPlayerService
   - media/libstagefright: Post SSR event to TunnelPlayer

Change-Id: I8c8385af45be91caf7d7160ab2e0236d6591b159
diff --git a/media/libmedia/AudioParameter.cpp b/media/libmedia/AudioParameter.cpp
index fbb34f4..367d9f6 100644
--- a/media/libmedia/AudioParameter.cpp
+++ b/media/libmedia/AudioParameter.cpp
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2006-2011 The Android Open Source Project
- * Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,6 +39,7 @@
 const char * const AudioParameter::keyFluenceType = AUDIO_PARAMETER_KEY_FLUENCE_TYPE;
 const char * const AudioParameter::keySSR = AUDIO_PARAMETER_KEY_SSR;
 const char * const AudioParameter::keyHandleA2dpDevice = AUDIO_PARAMETER_KEY_HANDLE_A2DP_DEVICE;
+const char * const AudioParameter::keyADSPStatus = AUDIO_PARAMETER_KEY_ADSP_STATUS;
 #endif
 
 AudioParameter::AudioParameter(const String8& keyValuePairs)