Add seat belt properties to the emulator for CTS tests am: 3c7a832aca

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/19419601

Change-Id: I4b33cf532e483da227ebfa7bee485c131192c74f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>