Some misc file rearrangement.
Some misc file rearrangement.

- Move .graffle files out of third_party
- Add logo .ai file
- Remove logo .svg files

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=144812776

jcable/ExoPlayer,yangwuan55/ExoPlayer,saki4510t/ExoPlayer,tntcrowd/ExoPlayer,androidx/media,michalliu/ExoPlayer,tntcrowd/ExoPlayer,JasonFengHot/ExoPlayerSource,KiminRyu/ExoPlayer,amzn/exoplayer-amazon-port,rubensousa/exoplayer-amazon-port,amzn/exoplayer-amazon-port,MaTriXy/ExoPlayer,google/ExoPlayer,ebr11/ExoPlayer,saki4510t/ExoPlayer,MaTriXy/ExoPlayer,michalliu/ExoPlayer,androidx/media,yangwuan55/ExoPlayer,ened/ExoPlayer,rubensousa/exoplayer-amazon-port,JasonFengHot/ExoPlayerSource,superbderrick/ExoPlayer,ebr11/ExoPlayer,MaTriXy/ExoPlayer,stari4ek/ExoPlayer,google/ExoPlayer,jcable/ExoPlayer,fanhattan/ExoPlayer,kiall/ExoPlayer,zhouweiguo2017/ExoPlayer,YouKim/ExoPlayer,kiall/ExoPlayer,saki4510t/ExoPlayer,androidx/media,tntcrowd/ExoPlayer,fanhattan/ExoPlayer,WeiChungChang/ExoPlayer,zhouweiguo2017/ExoPlayer,barbarian/ExoPlayer,jcable/ExoPlayer,barbarian/ExoPlayer,YouKim/ExoPlayer,zhouweiguo2017/ExoPlayer,stari4ek/ExoPlayer,michalliu/ExoPlayer,google/ExoPlayer,superbderrick/ExoPlayer,KiminRyu/ExoPlayer,jeoliva/ExoPlayer,ened/ExoPlayer,YouKim/ExoPlayer,amzn/exoplayer-amazon-port,rubensousa/exoplayer-amazon-port,YouKim/ExoPlayer,yangwuan55/ExoPlayer,ened/ExoPlayer,superbderrick/ExoPlayer,fanhattan/ExoPlayer,ebr11/ExoPlayer,jeoliva/ExoPlayer,barbarian/ExoPlayer,jeoliva/ExoPlayer,JasonFengHot/ExoPlayerSource,WeiChungChang/ExoPlayer,KiminRyu/ExoPlayer,kiall/ExoPlayer,stari4ek/ExoPlayer,WeiChungChang/ExoPlayer