libhwc2.1: enter ns mode after boot when smooth display off am: 237752a978

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/google/graphics/zuma/+/23918193

Change-Id: Ia9360ffd33e8674717a7d404f7cdd38476eeffb6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>