[third_party/pigweed] Roll 5 commits

4c0dd405e0eedfa pw_build_info: Make the python module importable
a9707e739fefa6f pw_allocator: Fix SynchonizedAllocator data race
3d2be38e99af311 pw_presubmit: Remove --verbose_explanations flag
69675d0eddb6ce8 pw_transfer: Implement adaptive windowing in Java
0ce38d914d7f6de pw_presubmit: Use _LOG global for logging

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 1e72e7e55cef252..4c0dd405e0eedfa
Roller-URL: https://ci.chromium.org/b/8749829645146017857
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I5ec7898b1c59738c15506574e39a22a12112b2b2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/206013
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 1e72e7e..4c0dd40 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 1e72e7e55cef2524d8e64df2a61e2a6e4b87b773
+Subproject commit 4c0dd405e0eedfa21575a118802490ec67cf2786