Fix build for ARM traditional NEON after r161937

Fix build for ARM traditional NEON due to bad include path in
arm/filters/FELightingNEON.h. ParallelJobs.h header is now in
platform/graphics/filters/ not wtf/, since r161937.

R=abarth, jochen@chromium.org

Review URL: https://codereview.chromium.org/290083002

git-svn-id: svn://svn.chromium.org/blink/trunk@174167 bbb929c8-8fbe-4397-9dbb-9b2b20218538