[NFC] Move MTE mode settings to a product variable. am: d26716e148 am: da6d9177a3

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

Change-Id: I17eaf29fb5203ed67ac9f8b6a67838d609541567
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>