(Android) How to get the percentages indicator inside the battery icon, just like it is in Android Marshmallow

So, if you don't own a Nexus, chances are good that it'll take a while before you get some sweet soft Marshmallow on your phone. Well, there's still bound to be ways to emulate some of its cosmetic features – like the app drawer, for example. In this tutorial, we will show you how to hide that battery percentage number in the battery icon itself, effectively freeing some space on your notifications bar.
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