Update NAN MAJOR and MINOR version to 4.0.0 am: 787b2cd73a am: ee877f8ab9

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

Change-Id: Iec37ed8bd7dc4714805a6617a004ddcfe1c098e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>