Also makes bit print that logcat, if available, instead of just the
stack trace.
This means that when you run a test you don't also have to run logcat in
some other window, and then scroll around forever looking for the one
test in question.
Test: bit -t GtsIncidentManagerTestCases:com.google.android.incident.gts.IncidentManagerTests\#testFail
Test: bit -t GtsIncidentManagerTestCases:com.google.android.incident.gts.IncidentManagerTests\#testDoesntExist
Bug: 129875642
Change-Id: I8940ff379c919482f4a545cb90d25bdbaa2b4f15