[roll third_party/pigweed] targets/host: Add pw_strict_host_clang_debug_dynamic_allocation tc

Add pw_strict_host_clang_debug_dynamic_allocation toolchain that
enables dynamic allocation module configurations.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/171674

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 3c1b249c8152dcf..b25fd46e6c4a8dc
Roller-URL: https://ci.chromium.org/b/8769402646372775953
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I801688bccd71206c8dafbed4203d99afd6320b81
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/171886
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 3c1b249..b25fd46 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3c1b249c8152dcfa3d51248847f0d15e6c175620
+Subproject commit b25fd46e6c4a8dc60e7ceb464a3fd180108a4c96