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

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

Change-Id: I32568cc10f6535421b32dce79fd5ae16b26edd7a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>