Make binary size analysis upload to skia-perf bucket

It's currently pointed at chromium-skia-gm, but Perf results are now
uploaded to skia-perf.

BUG=skia:2969
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2371193002

Review-Url: https://codereview.chromium.org/2371193002
1 file changed