roll: third_party/pigweed 48712ad..f84afe1 (7 commits)

f84afe1:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/234812 pw_allocator: Parameterize BlockAllocator on blocks
8cc8495:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/234814 pw_malloc: Additional checks when testing
65b5e33:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/249372 pw_allocator: Fix metrics for blocks that shift bytes
33d00a7:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/234811 pw_allocator: Use BlockResult in BlockAllocator
f43ca4f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/242633 pw_allocator: Use move-semantics for Block API
6417a52:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/232214 pw_allocator: Add static polymorphism to Block
a287811:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/248192 pw_bytes: Add utility for checking alignment

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 48712ad0655654..f84afe19d0e298
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8730912917901169137
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I509c4c7397ca024b93b71ebda21bba89304dc968
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/249832
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
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diff --git a/third_party/pigweed b/third_party/pigweed
index 48712ad..f84afe1 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 48712ad0655654b4dcc9b62085a58445fe0af696
+Subproject commit f84afe19d0e298b02858acbb7545cacbdfd2ed8c