[Android] Create an empty pot when value set to zero

[awjdean]

I’ve added this to the Android-iOS Parity wiki:

Android-iOS Parity Wiki

I thought it would be good to have a place to keep a note of the differences between the iOS and Android versions of the Monzo app. This topic is a wiki so others should be able to edit this post to say if a feature has been added to or is already on either platform. Any other differences not included in this post can also be added. Bugs on either OS should be added to the Bug Reports category instead of this post. Features still in Monzo Labs are not included. Not on Android (but …