ProCamera: Add getInfo for getting static metadata (and a test)

Change-Id: I3b87dfbc621d98bf41f37a892a1012baf85b5166
diff --git a/include/camera/IProCameraUser.h b/include/camera/IProCameraUser.h
index a141769..7bddb0c 100644
--- a/include/camera/IProCameraUser.h
+++ b/include/camera/IProCameraUser.h
@@ -75,6 +75,11 @@
                                                  camera_metadata** request)
                                                                            = 0;
 
+    // Get static camera metadata
+    virtual status_t        getCameraInfo(int cameraId,
+                                          /*out*/
+                                          camera_metadata** info) = 0;
+
 };
 
 // ----------------------------------------------------------------------------