[third_party/pigweed] Roll 2 commits

5c8c8074339c641 pw_build_android: Make Common Backends static
bff185f46d3332f pw_async2: Add PendableAsTask

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 4c1a7158b663f11..5c8c8074339c641
Roller-URL: https://ci.chromium.org/b/8751178061908100273
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ic7e22f5829cc59b06b7bf7d30ad8869733f8a4c6
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/202650
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 4c1a715..5c8c807 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 4c1a7158b663f114c297d9c0a806f412768e73f8
+Subproject commit 5c8c8074339c641f32e2ecf257df937db0d84eb5