[third_party/pigweed] Roll 4 commits

2f7282802bce209 pw_polyfill: Remove PW_INLINE_VARIABLE
3c48164394446e5 bazel: Introduce pw_facade
7995a693b330d2c pw_web: NPM version bump to 0.0.15
3e997d8134d55e7 pw_libc: Add uksqrtui to stdfix

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 60c4cef991b451c..2f7282802bce209
Roller-URL: https://ci.chromium.org/b/8753629511346490897
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Idfd4166aca7f34555c4274286ff067ae3704d7a1
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/196192
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 60c4cef..2f72828 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 60c4cef991b451c9d9d8bf19514eafeffa4dd486
+Subproject commit 2f7282802bce209fb52c308404e8e7e9f150b476