Add New Event for Data Stall Recovery Action Reestablish

- Added new event EVENT_DATA_STALL_ACTION_REESTABLISH for data stall
  recovery action 2 (reestablish data call) in DataNetworkController
- Added RegistrantList for Recovery Action Reestablish in
  DataStallMonitor

Bug: 178670629
Test: Build Pass
Merged-In: Ib3469de376e9122ae4476ef2a397279c6a6f04a0
Change-Id: Ib3469de376e9122ae4476ef2a397279c6a6f04a0