[automerger skipped] Fix that PhoneSwitcher only listens to call state change...
[automerger skipped] Fix that PhoneSwitcher only listens to call state change of default sub. am: a23d80dd -s ours
am: 47ed6f5a -s ours
am skip reason: change_id Idd21283ba3f01bc99fd9afff7c83a79711649f01 with SHA1 4b88a5c7 is in history
Change-Id: Id45bddb81ee543cc02488fb5fc5fd3b6fe00e5fc