[third_party/pigweed] Roll 2 commits

c50cd3d84714aa6 pw_allocator: Move block allocators to separate fi
4613447f11e0513 pw_presubmit: Save 'bazel info output_base'

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: f79f7c42e7921fe..c50cd3d84714aa6
Roller-URL: https://ci.chromium.org/b/8749731599847013169
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I25160aae3c028a631d328fa68e0b2de0cf970e28
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/206291
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 f79f7c4..c50cd3d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f79f7c42e7921fe6b1b93a992f889354dc0b94b6
+Subproject commit c50cd3d84714aa6f29c1a7708db68dfd888a2715