[NFC] Move MTE mode settings to a product variable. am: d26716e148 am: da6d9177a3 am: 1e882deded am: deb813c18b am: 8f80d0032b

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/2622818

Change-Id: Ifc60d957517caddd098fb1f3590779827b3f1a49
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>