Merge "Rename `libsyn` to `libsyn2`" into main am: 8449944a50 am: 3115ed1f44 am: 139d105930 am: a62842c340 am: 19a165226c

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

Change-Id: I5d3a49c0c7e8dc21edfb6112e2dcb4fc77bc924f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>