roll: pigweed, pw_toolchain: pw_toolchain: Add tsan support for host builds

Original-Bug: 301487567
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/222891
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: 0e7b3303a2e5b35..2955c4c9a1a048b
Roller-URL: https://ci.chromium.org/b/8742295313241457393
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia840f2c465d151dd641208a908bf1471a4920ca8
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/223241
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 015c43f..2cce31d 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-07-16.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8742295695059062353.
-    commit = "0e7b3303a2e5b35a00a039e8b403c87cca54e225",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8742295313241457393.
+    commit = "2955c4c9a1a048b716c6090481ab93464c87090b",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
 )
 
@@ -93,8 +93,8 @@
     name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-07-16.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8742295695059062353.
-    commit = "0e7b3303a2e5b35a00a039e8b403c87cca54e225",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8742295313241457393.
+    commit = "2955c4c9a1a048b716c6090481ab93464c87090b",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )