Camera2: Fix build

- Add NULLS for new camera module fields added for module v2.2

Change-Id: Id9a1635115084f9cea3e0a1cb3945603abfef4f0
diff --git a/camera/QCamera2/HAL3/QCamera3Hal.cpp b/camera/QCamera2/HAL3/QCamera3Hal.cpp
index 996e3ac..d042881 100644
--- a/camera/QCamera2/HAL3/QCamera3Hal.cpp
+++ b/camera/QCamera2/HAL3/QCamera3Hal.cpp
@@ -46,4 +46,6 @@
     get_number_of_cameras: qcamera::QCamera3Factory::get_number_of_cameras,
     get_camera_info: qcamera::QCamera3Factory::get_camera_info,
     set_callbacks: NULL,
+    get_vendor_tag_ops: NULL,
+    reserved: {0}
 };