Updating the physics volumes around the hippo.
Updating the physics volumes around the hippo.

Readjusting the positions of the physics volumes to better match the
latest version.

Tested on Linux.

Change-Id: I7439c0cca4a85fc22f150de63eaa76e6833344dd

google/zooshi,google/zooshi,google/zooshi,google/zooshi,google/zooshi