add mode change for sudoers files to post-co hook.
add mode change for sudoers files to post-co hook.

mazihan723/liquid-galaxy.lg-root-fs,Ppanos40/liquid-galaxy.lg-root-fs,oak11/liquid-galaxy.lg-root-fs,mazihan723/liquid-galaxy.lg-root-fs,LiquidGalaxy/lg-root-fs,Ppanos40/liquid-galaxy.lg-root-fs,oak11/liquid-galaxy.lg-root-fs,oak11/liquid-galaxy.lg-root-fs,mazihan723/liquid-galaxy.lg-root-fs,LiquidGalaxy/lg-root-fs,LiquidGalaxy/lg-root-fs,oak11/liquid-galaxy.lg-root-fs,LiquidGalaxy/lg-root-fs,mazihan723/liquid-galaxy.lg-root-fs,Ppanos40/liquid-galaxy.lg-root-fs,Ppanos40/liquid-galaxy.lg-root-fs