More detailed error log.

Fixes: 62821957
Test: make vts -j64 && vts-tradefed run commandAndExit vts
--skip-all-system-status-check --primary-abi-only --skip-preconditions
-l VERBOSE --module VtsTrebleVintfTest
Change-Id: Ic78cba7a9346bef2bc127e498d0674e6cd7f0151
1 file changed