Merge "libprocessgroup: Fix a log message" am: 693ac06a4c

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2174782

Change-Id: If85498b868ff992cccd180be3d0aa2d84c8533b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>