Add Sound to top level settings.

Fix: 31801516
Test: manual

Change-Id: I8325d21c8de9648c8de7b1489012d11c51aba7c1
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index 07f6ebf..b434777 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -274,6 +274,7 @@
             Settings.NetworkDashboardActivity.class.getName(),
             "com.android.settings.Settings.BatteryDashboardAlias",
             "com.android.settings.Settings.DisplayDashboardAlias",
+            "com.android.settings.Settings.SoundDashboardAlias",
             "com.android.settings.Settings.SecurityDashboardAlias",
             Settings.SystemDashboardActivity.class.getName(),
             Settings.SupportDashboardActivity.class.getName(),