Fixed that cache is not in sync with subscription database

Fixed the race happened when updating the active subscription
list cache. Adding lock to protect the cache updating process.

Test: Telephony sanity tests
Bug: 71759133
Merged-In: I2004fea02be74db9ae3e9cdaf3599261c53bf3e4
Change-Id: I2004fea02be74db9ae3e9cdaf3599261c53bf3e4
(cherry picked from commit b51f84fb)