roll: gn

From: git_revision:e0c476ffc83dc10897cb90b45c03ae2539352c5c
To: git_revision:170c2dba1e0c0299fe8c6a441caf2f2352a42ae0

CQ-Do-Not-Cancel-Tryjobs: true
Roller-URL: https://ci.chromium.org/b/8843864670945833361
Cq-Cl-Tag: roller-builder:gn-roller
Cq-Cl-Tag: roller-bid:8843864670945833361
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I265ac236590cfb8f9d2e073bbff03b7b84655b1e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/50040
Reviewed-by: Pigweed Roller <pigweed-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json b/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json
index b54e5ac..2c86f12 100644
--- a/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json
+++ b/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json
@@ -8,7 +8,7 @@
       "windows-amd64"
     ],
     "tags": [
-      "git_revision:e0c476ffc83dc10897cb90b45c03ae2539352c5c"
+      "git_revision:170c2dba1e0c0299fe8c6a441caf2f2352a42ae0"
     ]
   },
   {