Tests: Make Android Browser 4.0-4.3 AJAX tests green
Tests: Make Android Browser 4.0-4.3 AJAX tests green

Android Browser versions provided by BrowserStack fail the "prototype collision
(constructor)" test while locally fired emulators don't, even when they connect
to TestSwarm. Just skip the test there to avoid a red build.

Closes gh-4334
jquery/jquery,roytoo/jquery,roytoo/jquery,roytoo/jquery,jquery/jquery,jquery/jquery