Bug 1827455: Add the file info to ClamAV admin email

Currently we only log it to screen / error log but not add it to
admin's email

behatnotneeded

Change-Id: I2c092050c5b0e330d6033508d811bdb6cc15c25d
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>
(cherry picked from commit 340687dd)