Support for PrivilegedExtension on Nougat
These two commits let the PrivExt work on N.
Fixes https://gitlab.com/fdroid/privileged-extension/issues/17
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
These two commits let the PrivExt work on N.
Fixes https://gitlab.com/fdroid/privileged-extension/issues/17