Update NAN MAJOR and MINOR version to 4.0.0 am: 787b2cd73a am: 299868492d

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/libhardware_legacy/+/23039200

Change-Id: I8f95a7d6a418969da2f392385f3e51a9f9291012
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>