cros_build_lib.run: clean up redirect_std{err,out}->std{err,out} migration

BUG=chromium:1006587
TEST=`./run_tests` passes

Change-Id: I5aa3f8e4c69ce47e1c1c4731800948c22d1ebf1e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/1976270
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/autotest_quickmerge.py b/scripts/autotest_quickmerge.py
index 25c6695..d26fa80 100644
--- a/scripts/autotest_quickmerge.py
+++ b/scripts/autotest_quickmerge.py
@@ -292,7 +292,7 @@
 
   command += [source_path, sysroot_autotest_path]
 
-  return cros_build_lib.sudo_run(command, redirect_stdout=True)
+  return cros_build_lib.sudo_run(command, stdout=True)
 
 
 def ParseArguments(argv):