Reapply "Create CallStateRepository.isInCallFlow" This reverts commit 93e4c65d3d9bde366362d58be18715ba74483311. Fixed the test by cherry-pick change I7a3d27cb53c930a56ab0f0896b545807bf4f9dc0. Bug: 336209156 Test: manual - on MobileNetworkSwitchController Test: atest SubscriptionInfoListViewModelTest Change-Id: Id606d6ee90acd8a98de706d8533fed0aac96bff4