Add missing assert.h and functional includes am: bd0f277e83 am: bd27ff38da am: 788c1474f4

Original change: https://android-review.googlesource.com/c/platform/art/+/2200114

Change-Id: Iaf3eb53bcf333ac05edea0f011c667cc55143528
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>