Xtended XT v4.0

* Rom sources rebased on r20
* Bump up release version to v4.0
* Brand new Wallpaper
* Reverted to old bootanimation
* Added Hidden & Protected apps in Launcher Settings
* Added Taskbar
* App drawer Icon size, Font Size & App label settings
* Recent & App drawer bg opacity
* Multi-sim Ringtone Settings
* Custom vibration pattern
* Music Ticker
* Edge lighting
* Ambient AOD Customization
* Screen Off & Power Menu animations
* Volume panel settings
* Volume key control settings
* Long press power button to Torch
* Left/Right lock screen shortcut
* UDFPS customization
* Lock screen notification count settings
* Pulse (Graphic equalizer) settings
* Hide IME button space
* Long swipe action customization
* Heads up Settings
* Toast app icon
* reTicker settings
* Notification panel notification (Xtended exclusive)
* Breathing SMS/Missed call/Voicemail settings
* Power menu customization
* QS tile layout Settings
* Brightness slider position
* QS background opacity
* User account icon
* Clock & Date customization
* Traffic indicators
* Battery customization
* VoLTE & WiFi icon customization
* Privacy indicators toggle
* Battery Bar customization
* Dark theme customization
* Monet theme engine
* Font style
* Icon Shape
* Game space
* Parallel space
* Charging animation
* Status bar Left/Right padding adjustment