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
Merged-In: I59319a89f5e778a30175dc3763639ed1c4a3ebf2
Change-Id: I59319a89f5e778a30175dc3763639ed1c4a3ebf2
(cherry picked from commit 17daf21ec691eaa5cf6541c3450fdb4c24e154d3)
1 file changed