Signed-off-by: Shawn Lien <shawnlien@google.com>

Add free short code 455677 for Canada Carrier Freedom Mobile

Freedom Mobile  uses this short code for VVM activation, and currently it shows a warning that charges may be incurred.
This short code does not actually incur charges for the user, so it can be added to the Free list.

BUG: 149480361
Test: Validation with local and AOSP environment completed
Change-Id: I4b1b0337a9d3531d74d3e5a31ea246a80ac1c280