Add KEYCODE_PAIRING.

Used for initiating a peripheral pairing mode.

Change-Id: I8e172bdda1f3c34eff36f3001c174f7a6b6e6e41
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index d063168..cd28085 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -773,13 +773,24 @@
      * Activity Action: Show Device Name Settings.
      * <p>
      * In some cases, a matching Activity may not exist, so ensure you safeguard
-     * against ithis.
+     * against this.
      *
      * @hide
      */
     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
     public static final String DEVICE_NAME_SETTINGS = "android.settings.DEVICE_NAME";
 
+    /**
+     * Activity Action: Show pairing settings.
+     * <p>
+     * In some cases, a matching Activity may not exist, so ensure you safeguard
+     * against this.
+     *
+     * @hide
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_PAIRING_SETTINGS = "android.settings.PAIRING_SETTINGS";
+
     // End of Intent actions for Settings
 
     /**
diff --git a/core/java/android/view/KeyEvent.java b/core/java/android/view/KeyEvent.java
index 852fce5..b8e1b89 100644
--- a/core/java/android/view/KeyEvent.java
+++ b/core/java/android/view/KeyEvent.java
@@ -639,8 +639,13 @@
      * Wakes up the device.  Behaves somewhat like {@link #KEYCODE_POWER} but it
      * has no effect if the device is already awake. */
     public static final int KEYCODE_WAKEUP          = 224;
+    /** Key code constant: Pairing key.
+     * Initiates peripheral pairing mode. Useful for pairing remote control
+     * devices or game controllers, especially if no other input mode is
+     * available. */
+    public static final int KEYCODE_PAIRING         = 225;
 
-    private static final int LAST_KEYCODE = KEYCODE_WAKEUP;
+    private static final int LAST_KEYCODE = KEYCODE_PAIRING;
 
     // NOTE: If you add a new keycode here you must also add it to:
     //  isSystem()
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 1d35c84..29a0e3d 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -1672,6 +1672,7 @@
         <enum name="KEYCODE_MEDIA_AUDIO_TRACK" value="222" />
         <enum name="KEYCODE_MEDIA_SLEEP" value="223" />
         <enum name="KEYCODE_MEDIA_WAKEUP" value="224" />
+        <enum name="KEYCODE_PAIRING" value="225" />
     </attr>
 
     <!-- ***************************************************************** -->