Add feature flag

the no reply timer to be referenced in the carrier config when setting up call forward via MMI code and there is no timer value

Bug: 342346827
Test: build pass
Flag: com.android.internal.telephony.flags.use_carrier_config_for_cfnry_time_via_mmi
Change-Id: I6b8cbde61df9dcfe5e6d938a19c554de5925c90b
1 file changed