Merge "binder: add missing <functional> include" into main am: 41790fcd am: 58f5d917

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2758334



Change-Id: I96a46cea5d44bd453019f97ba71e1974a11d0362
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>