Remove RuncommandCaptureOutput

Switch to use RunCommand with capture_output=True

BUG=chromium:339596
CQ-DEPEND=CL:184448
CQ-DEPEND=CL:184474
TEST=trybot runs

Change-Id: I5f7d42a67c2ce3af36655fd5c9ca4d2b1307f17a
Reviewed-on: https://chromium-review.googlesource.com/184478
Reviewed-by: David James <davidjames@chromium.org>
Commit-Queue: Yu-Ju Hong <yjhong@chromium.org>
Tested-by: Yu-Ju Hong <yjhong@chromium.org>
1 file changed