BRANCH=smaug
BUG=chromium:506101
TEST=On samus, check we can set the offset and are taken into account.
Check the bias added is correct in the measurements.
Change-Id: I6cf06271ac080a47a008a342d9d108fd302241cc
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/283164
Reviewed-by: Alec Berg <alecaberg@chromium.org>