Merge "Fix potential NULL dereference in Visualizer effect" into klp-dev am: eee86b009e am: 6732f45ee9 am: 24566f2939 am: 25a681e678 am: 73895e0b02 am: c4605f157b am: 78188fec0f
am: 24aff93b38

Change-Id: Ifd85d8d84dee8e6497cb7a2cc1778e1c572d6bbd