Add carrier config for partial sms raw message expiration.

Everytime at boot-up, we check Sms raw table, and delete the rows
with any partial message that is too old. By default the expiration
age is 30 days, but we want to make it configurable.

Bug: 77910620
Test: sanity-test
Change-Id: Ibd2374324be5513cbd09c04889e7b96051c26fb4
Merged-In: Ibd2374324be5513cbd09c04889e7b96051c26fb4