code: protected GVRPickedObject findCollider(GVRPickedObject[] pickList, GVRCollider findme)
      {
          if (pickList == null)
          {
              return null;
          }
          for (GVRPickedObject hit : pickList)
          {
              if ((hit != null) && (hit.hitCollider == findme))
              {
                  return hit;
              }
          }
          return null;
      }
docs: Find the collision against a specific collider in a list of collisions.
  @param pickList collision list
  @param findme   collider to find
  @return collision with the specified collider, null if not found