[automerger skipped] Merge "Completely migrate init first stage to Soong" into sc-dev am: 86454f80 -s ours

am skip reason: Merged-In I59cd149e0021211b8fd59c44b93bbf18dc8637bf with SHA-1 2e200580 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/15071196

Change-Id: Ia3267c94272bc1b888218759feed2298eb2e8678