Reorder RengineEngine and LayerSettings in VTS am: 27c2a2da65

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3379867

Change-Id: I86ba4b7a0f1dbb4b568ffd31ff1733f613d07a9f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>