Text Element is pixelated / blurry when scaled to very large sizes

This issue has been migrated from mozilla/webmaker-android#1773.

It was originally written by flukeout on Sun May 10 2015 and had the following description:

Especially noticeable for the text element.

On Mon May 11 2015, Pomax commented:

fascinating behaviour: totally pixelly, but if you hit "back" to get to the project view, then edit the page again, it's magically no longer pixelated. It's as if the webview isn't bothering to anti-alias until it's completely rebuilt