Camera: ProCamera2Client - add createStream (service is stubbed) and unit test

Change-Id: I1ae7ba9b24f5883c214c19a7ed0eaf0c802d69c1
diff --git a/include/camera/ProCamera.h b/include/camera/ProCamera.h
index 7191b07..9b763a3 100644
--- a/include/camera/ProCamera.h
+++ b/include/camera/ProCamera.h
@@ -132,7 +132,7 @@
       * Errors: -EBUSY if too many streams created
       */
     status_t createStream(int width, int height, int format,
-                          const sp<ANativeWindow>& window,
+                          const sp<Surface>& surface,
                           /*out*/
                           int* streamId);