Update init.ranchu.rc for CONFIG_RT_GROUP_SCHED am: c376fe3f9f am: 79bcadc372 am: 1c38e8fe18

Original change: https://googleplex-android-review.googlesource.com/c/device/generic/goldfish/+/10426692

Change-Id: Ie684f389f59aeb97a81d90735b4c5f7402bce5a5