MmsSmsProvider initialize incorrect min_match value

Because TelephonyProvider starts up earlier than carrierconfig MCC/MNC
ready, the min_match always get the default value which is 7. So we lazy
initialze the min_match to guarantee the min_match value is correct.

Bug: 174972832
Change-Id: Id287c07bbae5491b7d6679ee3090335a1b3a319f
1 file changed