roll: third_party/pigweed b49cd0a..afb18a6 (5 commits)

afb18a6:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/240053 pw_containers: Add IntrusiveSet and IntrusiveMultiSet
bde3f80:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/243257 pw_containers: Add methods to erase by item
03eff3c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/245133 pw_assert: Verify PW_CHECK message arguments in PW_CRASH and comparisons
752146e:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/244877 pw_async2: Add task implementation section
d3e10fa:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/243892 pw_polyfill: Make PW_CONSTINIT support mandatory

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: b49cd0a0c800f6..afb18a6ded0c43
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8732784632479056305
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I7f402607c50b569e40bdb055e61bc86f7eb2c064
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/245028
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index b49cd0a..afb18a6 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit b49cd0a0c800f6966c25059e747684540daecddb
+Subproject commit afb18a6ded0c43e91ce85e5ec97ae0206c4873ca