bluetooth: mac: Only test Low Energy discovery sessions.

device/bluetooth/test/bluetooth_test.h

Index: device/bluetooth/test/bluetooth_test.h
diff --git a/device/bluetooth/test/bluetooth_test.h b/device/bluetooth/test/bluetooth_test.h
index 11e6b6b05162ec4ccbb2667ce7039acc7b54e7a5..627131372c7d5326c3f2b709797b074d6ec170bb 100644
--- a/device/bluetooth/test/bluetooth_test.h
+++ b/device/bluetooth/test/bluetooth_test.h
@@ -43,9 +43,9 @@ class BluetoothTestBase : public testing::Test {
   BluetoothTestBase();
   ~BluetoothTestBase() override;
 
-  // Calls adapter_->StartDiscoverySession with this fixture's callbacks, and
-  // then RunLoop().RunUntilIdle().
-  void StartDiscoverySession();
+  // Calls adapter_->StartDiscoverySessionWithFilter with Low Energy transport,
+  // and this fixture's callbacks. Then RunLoop().RunUntilIdle().
+  void StartLowEnergyDiscoverySession();
 
   // Check if Low Energy is available. On Mac, we require OS X >= 10.10.
   virtual bool PlatformSupportsLowEnergy() = 0;