Hook CarrierConfigLoader<->SubscriptionInfoUpdater

Add an extra step when CarrierConfigLoader loads
a config to inform the SubInfoUpdater and allow time
for changes to Subscriptions before the
CARRIER_CONFIG_CHANGE broadcast is sent.

Bug: 123721160
Test: manual
Change-Id: I59319a89f5e778a30175dc3763639ed1c4a3ebf2
1 file changed