Clear the BLE services list on disconnect.

device/bluetooth/bluetooth_device_android.cc

Index: device/bluetooth/bluetooth_device_android.cc
diff --git a/device/bluetooth/bluetooth_device_android.cc b/device/bluetooth/bluetooth_device_android.cc
index ebd78318e52c0bef7a4338feb9edc3a81dcf5bfa..be9d6b874d984ec26372497c2efae16a04935a7c 100644
--- a/device/bluetooth/bluetooth_device_android.cc
+++ b/device/bluetooth/bluetooth_device_android.cc
@@ -210,6 +210,9 @@ void BluetoothDeviceAndroid::OnConnectionStateChange(
   if (gatt_connected_) {
     DidConnectGatt();
   } else {
+    gatt_services_.clear();
+    SetGattServicesDiscoveryComplete(false);
+
     // TODO(scheib) Create new BluetoothDevice::ConnectErrorCode enums for
     // android values not yet represented. http://crbug.com/531058
     switch (status) {   // Constants are from android.bluetooth.BluetoothGatt.
@@ -229,6 +232,7 @@ void BluetoothDeviceAndroid::OnConnectionStateChange(
 void BluetoothDeviceAndroid::OnGattServicesDiscovered(
     JNIEnv* env,
     const JavaParamRef<jobject>& jcaller) {
+  SetGattServicesDiscoveryComplete(true);
   FOR_EACH_OBSERVER(BluetoothAdapter::Observer, GetAdapter()->GetObservers(),
                     GattServicesDiscovered(GetAdapter(), this));
 }