If location services are turned off, have the BT chooser prompt the user to turn them on.

device/bluetooth/test/bluetooth_test_android.h

Index: device/bluetooth/test/bluetooth_test_android.h
diff --git a/device/bluetooth/test/bluetooth_test_android.h b/device/bluetooth/test/bluetooth_test_android.h
index 048acf0557c904d1b1c89cf70e18605745cafc7d..d8dfaeb4879793a109a28a98e9b81303f797d9ed 100644
--- a/device/bluetooth/test/bluetooth_test_android.h
+++ b/device/bluetooth/test/bluetooth_test_android.h
@@ -95,6 +95,10 @@ class BluetoothTestAndroid : public BluetoothTestBase {
   void SimulateGattDescriptorWriteWillFailSynchronouslyOnce(
       BluetoothRemoteGattDescriptor* descriptor) override;
 
+  // Instruct the fake adapter to claim that location services are off for the
+  // device.
+  void SimulateLocationServicesOff();
+
   // Instruct the fake adapter to throw an IllegalStateException for
   // startScan and stopScan.
   void ForceIllegalStateException();