Fixed crash loop of the Telephony in case of bad restore.

If exception occured it caused the service to crash and then restart
again. Since it did not delete the old files exception occured again
etc.
Now it deletes file if there is any exception;

Bug: 28382746
Change-Id: Ifcec6242e6cad23fa6e6c697248c6d6a98dfca89
2 files changed