roll: third_party/pigweed 2 commits

6afbf6deaa1d762 pw_ide: Don't unnecessarily infer working dir
95347e0199c0427 pw_presubmit: Add attributes to docstring

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 8a4ae70355cd135..6afbf6deaa1d762
Roller-URL: https://ci.chromium.org/b/8741605879546073937
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I4ac3e5ec63233cf1f8e667f219bda76ccf7445c4
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/225632
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 8a4ae70..6afbf6d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 8a4ae70355cd13506f59a237611b4f834cc41bf9
+Subproject commit 6afbf6deaa1d7623df64ae5338b7a0dd94aa6f21