[roll third_party/pigweed] roll: clang-next

From: git_revision:145176dc0c93566ce4aef721044d49ab8ba50f87
To: git_revision:3809e20afc68d7d03821f0ec59b928dcf9befbf4
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/211691
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 94e4d0343de0191..bbcdd74e4ed9487
Roller-URL: https://ci.chromium.org/b/8746887579988687761
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I2bf70bcd412d2a2293d07f26b14ef3f01bc01ac6
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/211731
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.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 94e4d03..bbcdd74 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 94e4d0343de0191be48120900eb277ea0316df19
+Subproject commit bbcdd74e4ed948795fddfb3f9e5ac5ccb2e96f66