Privacy Browser Android

This original plan isn't a good idea because if too many delete commands are queued it could cause problems. We should create a callback from the domain delete command instead that will indicate to the system that the menu icon can be enabled.

Implemented in commit: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=commitdiff;h=35dd941d73d9d72a1ae8c16add68f20615affada;ds=sidebyside