autotest: power_LoadTest: make scroll time consistent

We were setting the scroll time in power_LoadTest.py to 10 seconds while the
default was 1 second for the extension. This makes the two match so we run
the same test when just using the extension.

BUG=None
TEST=run power_LoadTest

Change-Id: I4c66c217f9f8373f9421df6ec74a77cfda8574e4
Reviewed-on: https://chromium-review.googlesource.com/274909
Tested-by: Derek Basehore <dbasehore@chromium.org>
Reviewed-by: Sameer Nanda <snanda@chromium.org>
Commit-Queue: Derek Basehore <dbasehore@chromium.org>
2 files changed