Revert^2 "[Quickstart] Turn off QS on legacy Pixels" am: 13b09767dd

Original change: https://googleplex-android-review.googlesource.com/c/device/google/raviole/+/22690995

Change-Id: Idfbd33d5ad7f397af4b525a2c8af246a32c5f840
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>