fix(android): fix default property values, avoid NPEs
fix(android): fix default property values, avoid NPEs

appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode,appcelerator-archive/ti.barcode