Update NAN MAJOR and MINOR version to 4.0.0 am: 787b2cd73a am: ee877f8ab9 am: fe445908a0

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

Change-Id: Ic04ef0950b185f8cccec19f5239ef78fc078c8f7
Signed-off-by: Automerger Merge Worker <[email protected]>