[roll third_party/pigweed] roll: host_tools

From: git_revision:5f10ff81c5d6f6262f5c18759d167e3be270fc72
To: git_revision:c21847f0d5cd7427cee53469a1df33d2e27f351e

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/60686
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed.google.com.iam.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: d4a847efe877181..9c771de68ffba83
Roller-URL: https://ci.chromium.org/b/8836196534530397745
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8836196534530397745
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I3a1ff14e5fdfe6f03fb92eba46cbbf9dacba82c9
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/60687
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index d4a847e..9c771de 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit d4a847efe877181891c6e1109b62c118fa9aa81a
+Subproject commit 9c771de68ffba834cb94c5eb4dc7edc2cb347f0f