Replace deprecated jQuery.isArray by Array.isArray

jQuery.isArray gets deprecated in jQuery 3.2.0. [1]

Array.isArray is supported since the following browser versions: [2]

• Chrome 5
• Firefox (Gecko) 4.0 (2.0)
• Internet Explorer 9
• Opera 10.5
• Safari 5

Performed using:
find resources/src tests -type f -name \*.js -exec sed -i -e 's/\$\.isArray/Array.isArray/g' {} \;

[1] https://blog.jquery.com/2017/03/16/jquery-3-2-0-is-out/
[2] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray#Browser_compatibility

Bug: T160953
Change-Id: I1f5fe19d247ec420810e1c4a6db779425b69de23