Do not reuse phonestatelistener

Due to b/117555407, the same PhoneStateListener object can not be used
to register on different subIds, so we workaround this by recreating
the PhoneStateListener when reregistering.

Fixes: 129989656
Test: manual
Change-Id: I9d6631da628351511e285afeb5b6d4331aaab7e5
Merged-In: I9d6631da628351511e285afeb5b6d4331aaab7e5
Merged-In: I7630e74a9361093d8cbe72fa72c14aaaab9fcc17