Update generate_test_report to work from within HWQual tarball.

BUG=none
TEST=Verify generate_test_report works from src/scripts now.

Change-Id: Ic4933663ef64bf1b66cce8b79721d432700a2799
Reviewed-on: https://gerrit.chromium.org/gerrit/43895
Tested-by: David James <davidjames@chromium.org>
Reviewed-by: Chris Sosa <sosa@chromium.org>
Commit-Queue: David James <davidjames@chromium.org>
1 file changed