Merge "Grant getpgid to system_server on zygote" into sc-v2-dev am: 4171439689 am: d6b83253eb

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/sepolicy/+/16743651

Change-Id: Icb829ce0baf203ec8feafb1aef8623267f084b7e