[third_party/pigweed] Roll 4 commits

b9fcf40514d4a78 pw_log_android: Fix missing libs in soong rule
93e3ec3e23c2ad7 pw_bytes: Add missing export in soong rule
8634c8ccc66205c zephyr: Add zephyr's west CLI
6396cb44478f5b2 pw_tokenizer: Proto migration stage 5/5

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 95732fb2b233539..b9fcf40514d4a78
Roller-URL: https://ci.chromium.org/b/8756075942035211633
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I83785598ae985536cf4e5ebe03b40fece5cab4a9
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/sample_project/+/192557
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 95732fb..b9fcf40 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 95732fb2b2335392165a39996051b60f400cb0e5
+Subproject commit b9fcf40514d4a781929ab12aaea8fc1c7c369a15