[automerger skipped] libprocessgroup: Prevent error spam when tests disable...

[automerger skipped] libprocessgroup: Prevent error spam when tests disable all cpus in a cpuset am: ea98b60b -s ours am: f4584464 -s ours am: 3adb39a9 -s ours am: 09fac817 -s ours am: bf23b81a -s ours

am skip reason: Merged-In Ia91d8839d86787569c255481bde077be51c43d93 with SHA-1 ec885564 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/17061321



Change-Id: I56720c63bc3ad8401b35ec9e7b03a13f8396e26a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>