roll: third_party/pigweed 9c35494..8201494 (6 commits)

8201494:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/287712 various: Fix -Wsign-conversion issues
b8cc704:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/287552 gn: Migrate remaining dir_pw_third_party/* references
133b8d6:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/284852 pw_kernel: Initial support for user stacks
bd95b52:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/286849 zephyr: Add coverage reports to presubmit
a33ac31:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/286845 pw_digital_io_zephyr: Zephyr wrappers for Digital*
46cfdcf:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/287513 pw_kernel: Remove entry crate

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 9c35494dd27dcf..82014941ff2ccf
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8715906062909451441
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ie231ee64dd962b81ac677c87a83c2deb5e932a3a
Reviewed-on: https://pigweed-review.googlesource.com/c/gonk/+/288357
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 9c35494..8201494 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9c35494dd27dcff093eceabcf85f6bad011f3313
+Subproject commit 82014941ff2ccf8bc421276848405395008a983a