roll: third_party/pigweed 2 commits

dc6f26bcbd2bda3 freertos: Add failed malloc hook to support lib
a8bf99f2bf19e83 pw_hex_dump: Remove pw prefix from log_bytes

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 2e092bc815ef30c..dc6f26bcbd2bda3
Roller-URL: https://ci.chromium.org/b/8744029107914480001
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I9ab5860a06e82cea6901bd03196c3825c67a3c6c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/218455
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 2e092bc..dc6f26b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 2e092bc815ef30cb7410c219eb3a6314930e7452
+Subproject commit dc6f26bcbd2bda378b50d05f79370b58349bb811