drm_hwcomposer: Add Marissa and remove Haixia

Adding Marissa to OWNERS to get her listed on reviews.

While I'm in here, remove Haixia from OWNERS.

Change-Id: I6e07a686796c1d0cf3539be9bbdfc2b46dfb9938
Signed-off-by: Sean Paul <seanpaul@chromium.org>
1 file changed