utils/matcher: Changed BLACK threshold
utils/matcher: Changed BLACK threshold

Signed-off-by: Takeshi HASEGAWA <80595b5c49522665976d35e515d02ac963124d00@gmail.com>

hrhtspr/IkaLog,deathmetalland/IkaLog,deathmetalland/IkaLog,hasegaw/IkaLog,hasegaw/IkaLog,kshimo69/IkaLog,deathmetalland/IkaLog,hasegaw/IkaLog