Restore to 10 the number of simulated spheres in demo_friction
Restore to 10 the number of simulated spheres in demo_friction

Milad-Rakhsha/chrono,Milad-Rakhsha/chrono,dariomangoni/chrono,armanpazouki/chrono,amelmquist/chrono,Bryan-Peterson/chrono,tjolsen/chrono,amelmquist/chrono,armanpazouki/chrono,andrewseidl/chrono,tjolsen/chrono,jcmadsen/chrono,dariomangoni/chrono,projectchrono/chrono,armanpazouki/chrono,rserban/chrono,jcmadsen/chrono,dariomangoni/chrono,dariomangoni/chrono,amelmquist/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,armanpazouki/chrono,amelmquist/chrono,jcmadsen/chrono,Bryan-Peterson/chrono,rserban/chrono,projectchrono/chrono,rserban/chrono,andrewseidl/chrono,jcmadsen/chrono,jcmadsen/chrono,dariomangoni/chrono,amelmquist/chrono,jcmadsen/chrono,rserban/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,tjolsen/chrono,Milad-Rakhsha/chrono,Milad-Rakhsha/chrono,Bryan-Peterson/chrono,andrewseidl/chrono,armanpazouki/chrono,projectchrono/chrono,tjolsen/chrono,rserban/chrono,amelmquist/chrono,projectchrono/chrono,rserban/chrono,Bryan-Peterson/chrono,dariomangoni/chrono,armanpazouki/chrono,andrewseidl/chrono,rserban/chrono,Bryan-Peterson/chrono,andrewseidl/chrono,tjolsen/chrono,jcmadsen/chrono