Represent NAN callback events as a bitmap am: 3f7bfd2d am: 6b039c37

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24029040



Change-Id: I54b3a56584782f5c491cd239b2bdd6d0933d689f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>