[roll third_party/pigweed] roll: host_tools

From: git_revision:4b6c52dbc6058d2f9e04f62d654f33c82e88e170
To: git_revision:16c90ac21b67533680983843cd101d692d4f4155

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/126800
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed.google.com.iam.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 78ad6403cc67600..71ba37c8a6cc65c
Roller-URL: https://ci.chromium.org/b/8791231103270360305
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I743924477e30a25511c87fd189de21ab5a6a74ae
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/126801
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 78ad640..71ba37c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 78ad6403cc6760021e89e8bb9b6c27c54af29f33
+Subproject commit 71ba37c8a6cc65c8084078fb000e8f470cff8597