Fix string name for bluetooth pairing and fix NPE

Change-Id: Ibfd0e1e1ed3e1a1e5939d0bdffd17e2e929317b1
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index c666871..1ea703c 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -444,7 +444,7 @@
                   android:label="@string/bluetooth_connect_specific_profiles_title" />
 
         <activity android:name=".bluetooth.BluetoothPairingDialog"
-                  android:label="@string/bluetooth_pairing_dialog"
+                  android:label="@string/bluetooth_pairing_request"
                   android:excludeFromRecents="true"
                   android:theme="@*android:style/Theme.Dialog.Alert">
             <intent-filter>