bluetooth: android: Confirm the notify session after the descriptor has been written.

device/bluetooth/bluetooth_gatt_characteristic.h

Index: device/bluetooth/bluetooth_gatt_characteristic.h
diff --git a/device/bluetooth/bluetooth_gatt_characteristic.h b/device/bluetooth/bluetooth_gatt_characteristic.h
index 6dabe8714ff3a803af636c7d1ce28d7cda0fedf2..489f59a56af8fb583df6dcdd2c1e4d5253f3327c 100644
--- a/device/bluetooth/bluetooth_gatt_characteristic.h
+++ b/device/bluetooth/bluetooth_gatt_characteristic.h
@@ -158,6 +158,10 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothGattCharacteristic {
   virtual BluetoothGattDescriptor* GetDescriptor(
       const std::string& identifier) const = 0;
 
+  // Returns the GATT characteristic descriptor that matches |uuid|.

[ortuno, 2016/03/04 17:39:47]

I think this should be GetDescriptorsByUUID (plural). We have a similar function
in BluetoothDispatcherHost except for services. Users of the function can
decided if they only want the first descriptor.

[scheib, 2016/03/11 03:17:30]

Done.

+  virtual BluetoothGattDescriptor* GetDescriptorForUUID(
+      const BluetoothUUID& uuid);
+
   // Adds a characteristic descriptor to the locally hosted characteristic
   // represented by this instance. This method only makes sense for local
   // characteristics and won't have an effect if this instance represents a