manifest: mark non-critical features as not required

AndroidManifest.xml

@@ -8,6 +8,9 @@
     <uses-sdk android:minSdkVersion="3"
 	android:targetSdkVersion="8" />
 
+    <uses-feature android:name="android.hardware.bluetooth" android:required="false" />
+    <uses-library android:name="android.test.runner" android:required="false" />
+
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BROADCAST_STICKY" />