[third_party/pigweed] Roll 6 commits

caac07d3a5c440b pw_transfer: Add abort() and terminate() apis
f9f0a915fed0c59 pw_{assert, thread_zephyr}: Apply formatting fixes
4f404e5d0cbcf95 pw_transfer: Update the proxy to only consider tra
0c001652b86381f pw_allocator: Add IsEqual
8c3aef92d3b774f docs: Fix mentions of sample_project
db089088b951fdc pw_allocator: Soft-deprecate heap_viewer.py

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: c8a45fd5afa72a9..caac07d3a5c440b
Roller-URL: https://ci.chromium.org/b/8753640842739226081
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ib37f760def397d49fe2a751b04030cb5e7394481
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/196152
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 c8a45fd..caac07d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c8a45fd5afa72a9b90c7029ee94d92ab72dffde3
+Subproject commit caac07d3a5c440b6d93772261146d4196c037bc8