Fix issues where the filename is referred to as 'sideload'

The adb sideload utility referes to the filename as 'sideload' in some
places. This patch changes the printouts to display the filename instead.

Change-Id: I38ada01a08bed53a8d9697c03f55ce8cee2abe12
Signed-off-by: Magnus Eriksson <eriksson.mag@gmail.com>