clang-format audio_processing/aec/*

TBR=bjornv
TESTED=trybots

Review URL: https://webrtc-codereview.appspot.com/2373004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4944 4adac7df-926f-26a2-2b94-8c16560cd09d
12 files changed