Blacklist HTC.dng on 32-bit Win CPU bots

BUG=skia:5318
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1995703002

Review-Url: https://codereview.chromium.org/1995703002
2 files changed