[automerger skipped] [NFC] Move MTE mode settings to a product variable. am: ea2aa5face am: a88aa751fd -s ours am: ed2da15164 -s ours

am skip reason: Merged-In Ia713937269b94c92656f8c7f821c4e8d744c2d99 with SHA-1 ea2aa5face is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/mtpd/+/23716162

Change-Id: I9f5e31143de47262d4bda7d0aa85001a62080384
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>