[DataStallRecoveryManager] Fix the doRecovery logic when dial call

- Add the check condition when doing the recovery action due to we used
  the sendMessageDelayed to process the recovery mechanism.

Bug: 213478474
Test: 1. atest DataStallRecoveryManagerTest
      2. manual test pass, it will not trigger
         recovery action RESET_MODEM and RESTART_RADIO when dial the call.

Change-Id: Ia117c2de0cd40d587cb14e2818d2a8a466ed4f25