Define OMX_AUDIO_AACObjectER_Scalable

Add enumeration entry and string for ER-AAC-Scalable

Bug 29221608

Change-Id: Ia9309f303ccab19cd863e3a8614468ece7e92b4a
diff --git a/include/media/openmax/OMX_AsString.h b/include/media/openmax/OMX_AsString.h
index 03801ca..a7d1656 100644
--- a/include/media/openmax/OMX_AsString.h
+++ b/include/media/openmax/OMX_AsString.h
@@ -107,6 +107,7 @@
         case OMX_AUDIO_AACObjectLTP:      return "LTP";
         case OMX_AUDIO_AACObjectHE:       return "HE";
         case OMX_AUDIO_AACObjectScalable: return "Scalable";
+        case OMX_AUDIO_AACObjectER_Scalable: return "ER_Scalable";
         case OMX_AUDIO_AACObjectERLC:     return "ERLC";
         case OMX_AUDIO_AACObjectLD:       return "LD";
         case OMX_AUDIO_AACObjectHE_PS:    return "HE_PS";
diff --git a/include/media/openmax/OMX_Audio.h b/include/media/openmax/OMX_Audio.h
index d8bee76..9c0296b 100644
--- a/include/media/openmax/OMX_Audio.h
+++ b/include/media/openmax/OMX_Audio.h
@@ -259,6 +259,7 @@
   OMX_AUDIO_AACObjectHE,            /**< AAC High Efficiency (object type SBR, HE-AAC profile) */
   OMX_AUDIO_AACObjectScalable,      /**< AAC Scalable object */
   OMX_AUDIO_AACObjectERLC = 17,     /**< ER AAC Low Complexity object (Error Resilient AAC-LC) */
+  OMX_AUDIO_AACObjectER_Scalable = 20, /**< ER AAC scalable object */
   OMX_AUDIO_AACObjectLD = 23,       /**< AAC Low Delay object (Error Resilient) */
   OMX_AUDIO_AACObjectHE_PS = 29,    /**< AAC High Efficiency with Parametric Stereo coding (HE-AAC v2, object type PS) */
   OMX_AUDIO_AACObjectELD = 39,      /** AAC Enhanced Low Delay. NOTE: Pending Khronos standardization **/