MSIM: Trigger DDS during card removals and sub deactivate

- When card removed(hotswap), trigger DDS switch
  on next available sub.
- Modify the code logic to not trigger DDS
  request multiple times when user deactivate
  subscription from UI.
- Add fix to send data allow request when device
  powered-up first time.
- Add few log statements.

Change-Id: Ib93a60f7d575373b11a38f65e021e6f0ce77075d