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
diff --git a/infra/bots/recipe_modules/core/resources/run_binary_size_analysis.py b/infra/bots/recipe_modules/core/resources/run_binary_size_analysis.py
index 5cb24d9..99887ea 100755
--- a/infra/bots/recipe_modules/core/resources/run_binary_size_analysis.py
+++ b/infra/bots/recipe_modules/core/resources/run_binary_size_analysis.py
@@ -335,7 +335,7 @@
     # Use separators without whitespace to get a smaller file.
     json.dump(json_data, out, separators=(',', ':'))
 
-  GS_PREFIX = 'gs://chromium-skia-gm/'
+  GS_PREFIX = 'gs://skia-perf/'
   # Writes to Google Storage for visualization.
   subprocess.check_call(GetGsCopyCommandList(
       gsutil, tmpfile, GS_PREFIX + 'size/' + ha + '.json'))