[third_party/pigweed] Roll 2 commits

71d73d819df943c pw_allocator: Add Allocator::GetLayout
41349cb7250e484 pw_fuzzer: Fix Bazel run target instructions

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: a5328ae3a525897..71d73d819df943c
Roller-URL: https://ci.chromium.org/b/8756638083841300545
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I234d79a7bdb5fe2a82640492b4163b7111609c34
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/190692
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 a5328ae..71d73d8 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit a5328ae3a5258977ec8ddda0c0cf29787ea5b6b7
+Subproject commit 71d73d819df943cbde749761981d682c398c95c7