Merge "init: Wait for daemon to fully spin up all threads" am: 545870e5 am:...

Merge "init: Wait for daemon to fully spin up all threads" am: 545870e5 am: 3aabed9e am: 3726d0de

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2373312



Change-Id: I27fcda71d877f83348e57441fa6c2925e8c56e84
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>