[automerger skipped] Update build_id.mk and version_defaults.mk for SC V2 am:...

[automerger skipped] Update build_id.mk and version_defaults.mk for SC V2 am: 6487d1df -s ours am: f750936b -s ours

am skip reason: Merged-In I39a82c8ac3fd0b43bad06ec47b85aaeda6ef5cb4 with SHA-1 cc2f12f1 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/15905758

Change-Id: Id06b0c27fc2afe53ee6072cc0f60ecd1ae0581fa