roll: third_party/pigweed: pw_allocator: Fix Android build

Test: Presubmits
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/216511
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 76f06970fcdd064..b0cdbe138ff4623
Roller-URL: https://ci.chromium.org/b/8744846998974723489
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I07aaed40c9fae335b61d639663ea9750e36022ff
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/216108
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 76f0697..b0cdbe1 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 76f06970fcdd064f7a85d3d8ffe779a1cfa91b69
+Subproject commit b0cdbe138ff46237b347fbf536f003218b2bde1c