BluetoothInputJava: Add broadcast action REPORT

It's returned by getReport() when callback data is ready.

Change-Id: I751c9e31de3d82a454a62cb8485a230e722b740d
Signed-off-by: Mike J. Chen <mjchen@google.com>
diff --git a/core/java/android/bluetooth/BluetoothInputDevice.java b/core/java/android/bluetooth/BluetoothInputDevice.java
index bc3ad44..33232ed 100644
--- a/core/java/android/bluetooth/BluetoothInputDevice.java
+++ b/core/java/android/bluetooth/BluetoothInputDevice.java
@@ -76,6 +76,12 @@
     public static final String ACTION_PROTOCOL_MODE_CHANGED =
         "android.bluetooth.input.profile.action.PROTOCOL_MODE_CHANGED";
 
+    /**
+     * @hide
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_REPORT =
+        "android.bluetooth.input.profile.action.REPORT";
 
     /**
      * @hide