Fix potential overflow in Visualizer effect am: 7bbd500874 am: 99589ed96f am: 8682da681a am: a5dddadec9 am: 960cba3e1b am: 902b06895f am: af1e40957a am: e1bc1ac318 am: 0fafbe88b5
am: 453066787b

Change-Id: I56ee2f6ae9366d1ec501a76519cab46cf3381046