Initial implementation of android.hardware.photography.CameraDevice (service)

* Verified preview streaming requests
* Other things *should* work but unverified / unimplemented in client side

Missing:
* CameraService needs to return static camera info metadata

Bug: 9213377
Change-Id: I71568560fcf18d0e2b408ed1c4d0066647314868
diff --git a/services/camera/libcameraservice/Camera2ClientBase.h b/services/camera/libcameraservice/Camera2ClientBase.h
index 9001efb..c9a24d7 100644
--- a/services/camera/libcameraservice/Camera2ClientBase.h
+++ b/services/camera/libcameraservice/Camera2ClientBase.h
@@ -101,6 +101,10 @@
 
 protected:
 
+    virtual sp<IBinder> asBinderWrapper() {
+        return IInterface::asBinder();
+    }
+
     virtual status_t      dumpDevice(int fd, const Vector<String16>& args);
 
     /** Binder client interface-related private members */