Update stops arrival times in onResume. AKA don't use the successfullysearchedbusstop anymore Catch bug created by null route type, creating the UNKNOWN type and cleanup code

Summary: Small changes for better code

Test Plan: Build, run, check for errors

Reviewers: valerio.bozzolan

Reviewed By: valerio.bozzolan

Differential Revision: https://gitpull.it/D8