Merge "Revert "add apex-ready event after post-fs-data"" am: d9d3a5cb am:...

Merge "Revert "add apex-ready event after post-fs-data"" am: d9d3a5cb am: 520b4080 am: 5a0f35db

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2294239



Change-Id: I02f55646e34a0d12af90b6b143c7e4304a17f4df
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>