Filling in content values on the worker thread

Writing to disk hapens on the worker thread, so if we create content values on
UI thread, some values can change before it is written to disk.
This happens in case of shortcuts, where the badge is applied after the icon is queued,
but before it is written

Bug: 131303610
Change-Id: Ic35b17071d4ed3e5c5fee9f003a225e4ffdc74f3