Merge changes from topic "apps_to_system_ext"
* changes:
Move the app to /system_ext
Set sdk_version "current" in test package
Move the permission.xml to /system_ext
Move SystemUI to /system_ext
move privapp_whitelist_com.android.storagemanager to system_ext
Move 'privapp_whitelist_com.android.launcher3' to system_ext
Move 'privapp_whitelist_com.android.settings' to system_ext
move privapp_whitelist_com.android.provision to system_ext
privapp_whitelist_com.android.emergency to system_ext
privapp_whitelist_com.android.carrierconfig to system_ext