Merge "Remove the return type from the syscall lists and parser." into main am: fe9a0d6fb8 am: 505a623806

Original change: https://android-review.googlesource.com/c/platform/bionic/+/3478858

Change-Id: Iaf61fe582cde5077fca2a6ecf9f596cf684811b4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>