Move setting to disable automatic USB routing

This moves the setting from System to Secure per review.

Bug: 16381952
Change-Id: I2497ca66b4f346839490c29295528fac70e94494
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 9a41e20..8886559 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -2364,16 +2364,6 @@
         public static final String VIBRATE_WHEN_RINGING = "vibrate_when_ringing";
 
         /**
-         * Whether automatic routing of system audio to USB audio peripheral is disabled.
-         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
-         * and 0 means automatic routing is enabled.
-         *
-         * @hide
-         */
-        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
-                "usb_audio_automatic_routing_disabled";
-
-        /**
          * Whether the audible DTMF tones are played by the dialer when dialing. The value is
          * boolean (1 or 0).
          */
@@ -4745,6 +4735,16 @@
         public static final String TV_INPUT_CUSTOM_LABELS = "tv_input_custom_labels";
 
         /**
+         * Whether automatic routing of system audio to USB audio peripheral is disabled.
+         * The value is boolean (1 or 0), where 1 means automatic routing is disabled,
+         * and 0 means automatic routing is enabled.
+         *
+         * @hide
+         */
+        public static final String USB_AUDIO_AUTOMATIC_ROUTING_DISABLED =
+                "usb_audio_automatic_routing_disabled";
+
+        /**
          * This are the settings to be backed up.
          *
          * NOTE: Settings are backed up and restored in the order they appear