Fixes for Android 12
Preparation for Nova 7 update
如发现版本老旧，欢迎邮件反馈www#uc765(dot)com，或移步Nova Launcher官网下载最新版Nova Launcher安卓版介绍Nova Launcher，一般又称nova桌面启动器,Nova Launcher。*5.5.4 May 12*

Fix blank app drawer on Android P DP2 Preview
Minor fixesoptimizations