[third_party/pigweed] Roll 3 commits

a5052ba92950982 pw_allocator: Make AllMetrics internal
14e0d76298d7690 pw_unit_test: Standardize ASSERT_OK_AND_ASSIGN
dea2ecf94d39c9c pw_unit_test: Clarify status macros are gunit-only

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 4c0dd405e0eedfa..a5052ba92950982
Roller-URL: https://ci.chromium.org/b/8749818315467577217
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ieedf34e66d3d80a2b92830e2d60f29ef51c5daad
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/206014
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 4c0dd40..a5052ba 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 4c0dd405e0eedfa21575a118802490ec67cf2786
+Subproject commit a5052ba92950982cd5b4ed7f1f763716e19a8219