roll: third_party/pigweed 3 commits

e9f11670ffae078 pw_assert: Remove backend multiplexer
ef4e6e150fae762 pw_web: Add optional parameters to createLogViewer
e3e1a1f8748362e pw_hex_dump: Add LogBytes helper

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 3d3846b9188822b..e9f11670ffae078
Roller-URL: https://ci.chromium.org/b/8744108707051487521
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I177d844eb4ca15006a6291e6129d205ff66688bf
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/218245
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
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 3d3846b..e9f1167 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3d3846b9188822b02068a8addcc4677a52cbbcba
+Subproject commit e9f11670ffae078c0dd1918225074de2a6e3876c