Merge "Revert "Move automotive display service to /system_ext"" am: 136a00cc96

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2526642

Change-Id: I0a15b7597ed7ee2afa4e20dee23f0648580da4be
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>