Merge "Rename `libsyn` to `libsyn2`" into main am: 8449944a50 am: 3115ed1f44

Original change: https://android-review.googlesource.com/c/platform/development/+/2601328

Change-Id: I313707dd6efc7abbd76aee8228582f62362e5f1b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>