tracker-indexer: Use new batch methods
tracker-indexer: Use new batch methods

This will currently cause deadlocks as tracker-indexer still queries
the database directly. We should change this to query via D-Bus.

hoheinzollern/tracker,outofbits/tracker,outofbits/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,outofbits/tracker,outofbits/tracker