move the call of hyper_watch_exec_pty() to parent(init) process
move the call of hyper_watch_exec_pty() to parent(init) process

so we don't need to touch the parent's memory nor file table.

Signed-off-by: Lai Jiangshan <b337eedf453972390e4695e362aeea2634ef4e0c@gmail.com>

MarioCarrilloA/hyperstart,gnawux/hyperstart,bergwolf/hyperstart,gnawux/hyperstart,laijs/hyperstart,MarioCarrilloA/hyperstart,laijs/hyperstart,hyperhq/hyperstart,hyperhq/hyperstart,gao-feng/hyperstart,bergwolf/hyperstart,gnawux/hyperstart,MarioCarrilloA/hyperstart,gao-feng/hyperstart