Otherwise, it gets confusing what is the action the user should do. Perhaps
the Action Mode "Done" button should always trigger the "Update Repo"
action, right now it means do nothing and return.
This implements live filtering in a SearchView so that it is easy to search
for the apps you want to include in your Local Repo. This requires some
newer stuff, so I switched it to the android-11 Activity until appcompat-v7
is included. All this functionality will work fine with appcompat-v7.
This gets the data about which apps are installed from the ContentProvider
that pserwylo recently added for data about "Installed Apps" and presents
a list view for the user to select from by touching each line. Then if the
user chooses "Update Repo", it will regenerate the local repo based on the
current selection. It will always include FDroid in the local repo.
fixes#3232https://dev.guardianproject.info/issues/3232
refs #3204https://dev.guardianproject.info/issues/3204
