Log whether BT pairing dialog is accepted or canceled

Change-Id: I584cef273f16e27cd7e569b53abccedfe0bd0af7
diff --git a/src/com/android/settings/bluetooth/BluetoothPairingDialog.java b/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
index 48ca5a9..ded7e58 100755
--- a/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
+++ b/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
@@ -387,6 +387,7 @@
     }
 
     private void onPair(String value) {
+        Log.i(TAG, "Pairing dialog accepted");
         switch (mType) {
             case BluetoothDevice.PAIRING_VARIANT_PIN:
             case BluetoothDevice.PAIRING_VARIANT_PIN_16_DIGITS:
@@ -422,6 +423,7 @@
     }
 
     private void onCancel() {
+        Log.i(TAG, "Pairing dialog canceled");
         mDevice.cancelPairingUserInput();
     }