roll: third_party/pigweed 2fb733c..6fd39ed (7 commits)

6fd39ed:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/306078 pw_compilation_testing: Implement PW_NC_TEST in Bazel
148f0d0:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/324532 pw_grpc: Account for gRPC header in flow control window
440ea6d:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/322432 pw_ide: Add Help section along with a welcome header
c376a00:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/324495 pw_ide: Add flag to avoid creation of bazel symlinks in aspect wrapper
62f2b6e:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/323794 pw_metric: Promote metric_walker.h to public API
12ecc7a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/317152 pw_ide: Remap virtual includes
3959870:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/321172 pw_async2: Experimental Future type

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 2fb733cb5103f9..6fd39edf919a4a
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8702968850585401137
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I16c6e33c7c1e8ec957067fc95dcf6374f0b872e4
Reviewed-on: https://pigweed-review.googlesource.com/c/gonk/+/324632
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 2fb733c..6fd39ed 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 2fb733cb5103f98af81d2bfedfd55e2eca7a8d52
+Subproject commit 6fd39edf919a4a3cd7ed9776f6c8f092189fd815