[2/2] Losckscreen Notifications fixes

- Lockscreen Notifications: fix removal of pocketmode setting
from: https://github.com/AOSPAL/android_packages_apps_Settings/commit/b2ff326f86c6641486dc92de9e02c36a727f5040

Change-Id: Ic371e2b409de9c77c7b33aa1eead14cd0a0df563
[2/2] LS Notifications dinamic width & blacklist options

- [2/2] Settings: Lockscreen notifications: Option to disable dynamic width
from; OmniKang/android_packages_apps_Settings@0f99a11

- [2/2] Settings: Lockscreen notifications: Allow apps to be excluded from being displayed
from; OmniKang/android_packages_apps_Settings@76bb8d1

Credits to 0xD34D / ChameleonOS for the original implementation for Active Display

Change-Id: I83e9046c22435dedcea63354ddaf4e6622189bdc