Tidy up service discovery state for bluez on disconnect

device/bluetooth/bluetooth_adapter_bluez.cc

Index: device/bluetooth/bluetooth_adapter_bluez.cc
diff --git a/device/bluetooth/bluetooth_adapter_bluez.cc b/device/bluetooth/bluetooth_adapter_bluez.cc
index 4b50cd72f86bcea6ba5dcb6339bb74417af5840b..2f55fa2d9f17d7bfd2973d9a7a8e09ed4c1d9c46 100644
--- a/device/bluetooth/bluetooth_adapter_bluez.cc
+++ b/device/bluetooth/bluetooth_adapter_bluez.cc
@@ -493,9 +493,12 @@ void BluetoothAdapterBlueZ::DevicePropertyChanged(
     // PlayStation joystick tries to reconnect after disconnection from USB.
     // If it is still not trusted, set it, so it becomes available on the
     // list of known devices.
-    if (properties->connected.value() && device_bluez->IsTrustable() &&
-        !properties->trusted.value())
-      device_bluez->SetTrusted();
+    if (properties->connected.value()) {
+      if (device_bluez->IsTrustable() && !properties->trusted.value())
+        device_bluez->SetTrusted();
+    } else {
+      device_bluez->SetGattServicesDiscoveryComplete(false);
+    }
 
     int count = 0;