bullet: Fix avoiding collision response between static/kinematic objects

Sent patch upstream.

Fixes [#35115] Character physics type fails collision with static type with an action on 2.67 rc

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@56369 954f8c5b-7b00-dc11-b283-0030488c597c