contrib: fromupstream: Fix quoting issues found by linter

Running 'cros lint fromupstream.py' after CL:1742539 yells:

 $ cros lint fromupstream.py
 ************* Module fromupstream
 C: 45, 0: Invalid string quote ", should be ' (invalid-string-quote)
 C:102, 0: Invalid string quote ', should be " (invalid-string-quote)
 C:219, 0: Invalid string quote ", should be ' (invalid-string-quote)
 C:341, 0: Invalid string quote ", should be ' (invalid-string-quote)

Let's fix them.

BUG=chromium:980619
TEST=cros lint is happy now

Change-Id: I46f355cb968c94c3ee5551fb137c6e3990822186
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/1749861
Tested-by: Douglas Anderson <dianders@chromium.org>
Auto-Submit: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Douglas Anderson <dianders@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
1 file changed