roll: third_party/pigweed 7dc5bad..7997384 (9 commits)

7997384:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/314732 workflows: Change some tools to GENERAL type
1272c8a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/314997 pw_kernel: Remove forcing opt mode
a75fe59:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/314993 pw_containers: C++ polyfill of constexpr pw::fill and pw::fill_n
8282c33:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/313652 pw_thread: Avoid creating thread stacks on other stacks
1f9ad05:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/312695 pw_kernel: Add object declaration to system manifest
266056a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/313452 pw_trace_tokenized: Add facade for locking
2345710:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/314741 pw_env_setup: Respect CIPD_CACHE_DIR in Bazel
c5cb259:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/314635 pw_kernel: Add helpers for declaring static ForeignBox and ForeingRc
9ab3e0c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/314634 pw_kernel: Add upcasting support for ForeignRc

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 7dc5bad7ae1fdc..7997384514813d
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8705886432606574881
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I0f672d21ff2aee1c9ba897349729a08888b6b11c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/315132
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 7dc5bad..7997384 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 7dc5bad7ae1fdcd3a94deb9348edfcc6112598e3
+Subproject commit 7997384514813de56c569bf29e40703887a57071