Add missing assert.h and functional includes am: bd0f277e83 am: bd27ff38da am: 788c1474f4 am: b820618a99 am: df72afe39e

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

Change-Id: Id63f1fa334d1bb0eedef288f27b7e21eacfc6efc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>