Keep native callbacks when primary SQLiteConnection is recreated

When a database was ATTACHed/DETACHed to a database that had Write-Ahead
Logging enabled, the primary SQLConnection was recreated but the
registered native callbacks were not restored.

Change-Id: I8787fee78e68197ae472e05cc694d11381defa71
Merge "Keep native callbacks when primary SQLiteConnection is recreated" into jb42