motion_lid: Add const around sensor vector.

Accelerometer data is read-only in motion_lid, add const to help the
compiler.

BRANCH=none
BUG=none
TEST=compile

Change-Id: I487030318b63a2decd4a57cd8ee0d965628a344b
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/372311
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
1 file changed