[roll third_party/pigweed] pw_presubmit: Copy Python packages

Copy downloaded Python packages to 'out/python-wheels'.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/161490

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 2cd3dee3b9a9b11..577292f9efca927
Roller-URL: https://ci.chromium.org/b/8774031522327961585
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ide4f9093d205ed5f0453b19b1e7398a350066f6f
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/161550
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 2cd3dee..577292f 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 2cd3dee3b9a9b118e9a0cf1fbe1abc8f526e9363
+Subproject commit 577292f9efca927374367676c1b488e5ba059799