[automerger skipped] DO NOT MERGE Update VTS tag version to 13_R8 am: c994082025 -s ours am: b958c3be1a -s ours

am skip reason: contains skip directive

Original change: https://android-review.googlesource.com/c/platform/test/vts/+/2917646

Change-Id: I3713b24238a05de3e140327aac89871403f4b554
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>