Merge "Revert "init: Add more diagnostics for signalfd hangs."" am: fa4926a9de

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2254119

Change-Id: If250aa69b95b328f5c60044254310e042cf9e337
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>