Merge "init: mount tracefs before apexd-bootstrap" into main am: bd4b6dd9

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3324593



Change-Id: I13597ffa61c63656b2924c4db01e54948227faa7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>