chore(build): allow QEMU to reboot on guest reset

Keep -no-reboot disabled so the reboot command restarts the VM.

build.py

@@ -212,7 +212,7 @@ def RunQemu():
         '-device', 'usb-mouse',
         '-accel', 'tcg,tb-size=128',
         '-serial', f'file:{serial_log}',
-        '-no-reboot'
+        # '-no-reboot'
     ]
 
     print(f"[build] QEMU cmd: {' '.join(qemu_cmd)}")