Curious to know what Google’s upcoming Android 5.0 L operating system will look like on the Galaxy S5? While it’s still months away from being officially released (we assume), the folks over at SamMobile.com recently published a video which shows Android L running on the Galaxy S5. How were they able to install Android L on the Galaxy S5? SamMobile claims that unnamed “sources” provided the Android L test build for Samsung’s flagship smartphone. Initially, their goal was to make the new firmware available for every Galaxy S5 user on the planet, but this vision was soon shot down once they released just how many bugs and quirks needed fixing. Nonetheless, the preview video gives us fans a sneak peak into the future of the Galaxy S5 and other Android L-compatible devices. Samsung typically drags its feet when it comes to rolling out new Android updates, but there’s a good reason for its procrastination: the Galaxy S5 uses its own TouchWiz UI on top of the standard Android OS. This often creates some compatibility problems which Samsung must fix before releasing new Android updates to the Galaxy S5. In the preview video showing the Galaxy S5 running Android L, however,…