Added the official action to the Settings manifest.
<action android:name="com.android.settings.SOUND_SETTINGS" />
<action android:name="com.android.settings.DISPLAY_SETTINGS" />
<action android:name="android.settings.DISPLAY_SETTINGS" />
+ <action android:name="android.settings.SOUND_SETTINGS" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.VOICE_LAUNCH" />
<category android:name="com.android.settings.SHORTCUT" />