Plumb `extra_quat` properly in LookAtPoseDistribution
Plumb `extra_quat` properly in LookAtPoseDistribution

PiperOrigin-RevId: 408598562
Change-Id: I3b4b2e45b1581bd98189741c28974714fd3d7106

deepmind/dm_robotics,deepmind/dm_robotics,deepmind/dm_robotics