Merge "init: clean up unused Service[List]::post_data" into main am: a7eb62c896 am: 9a0d1e9749

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3226764

Change-Id: I363b175996c85795ebe7223ef7f46cf0455cc1f8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>