[third_party/pigweed] Roll 2 commits

a4dd94c7fc90cf4 pw_sensor: Add attribute support to sensor-desc CL
44ad59124c1a191 pw_sensor: Create a sensor-desc CLI

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 5b8b84f452c9ced..a4dd94c7fc90cf4
Roller-URL: https://ci.chromium.org/b/8750396229175531553
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I775e3cd764b0c0b9b72c70fd4754c660ae9f01ab
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/204093
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 5b8b84f..a4dd94c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 5b8b84f452c9cedc82cc34aaaaf4eb60bf3c8aeb
+Subproject commit a4dd94c7fc90cf44581b35487b4a2b0c3aae5299