[automerger skipped] Merge tag 'v1.13.1' into aosp/main am: 51653b1d73 -s ours

am skip reason: Merged-In I2c47fd337332b3cff819a5931239f2e1f2e838e4 with SHA-1 3d5b29ccb9 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/libvpx/+/25412131

Change-Id: I7b13509504e4f9386164c7b9d72fdbb091a8a229
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>