Update SMS Rx counter
Update SMS Rx counter

Increment SMS Rx counter even when no client session is subscribed
to the SMS service handler.

Resolves: LE-8366
Change-Id: I10b129765e9cde6ad5bfff530be2396c21df71e4

legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af,legatoproject/legato-af