Improve error output when test fails

That way we can see the methods that made the test fail from
the stack trace, rather than having to look at the logs

Bug: 35432611
Test:  cts-tradefed run cts-dev --module DevicePolicyManager --test  com.android.cts.devicepolicy.ManagedProfileTest#testParentProfileApiDisabled
Change-Id: I07b169569bc66460d0094d51cf76959af96cb3d1
1 file changed