[automerger skipped] Merge "inputflinger: add missing <functional> include" into main am: 3508150e04 am: 041b86fec7 am: 0c50c02353 am: 47866840e8 -s ours am: 5588c6548b -s ours

am skip reason: Merged-In Ieb7828b26613c3b5470c9b76f31ad1b6b09d9445 with SHA-1 5bd19edcdd is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2758333

Change-Id: Id85889e53b55bc80fe7c746b5d95e530353f4aa9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>