telephony: Notify user for potential reconfiguration.

  If a user hotswap removes a uicc card in a MSIM scenario,
  the subscription on the uicc may be the default for settings
  such as data/voice/messaging. Thus, we need to notify the user
  that configuration may be needed.

Change-Id: Iddaef47eefeab43ed99ca6f27f81dffd8dd08689
TICKET: CYNGNOS-2210