[third_party/pigweed] Roll 4 commits

fa1938a64124d21 pw_assert: Fix support for print_and_abort in Baze
4f13eae7187e8ba pw_build: Add a `test_main` param to `pw_cc_test`
5e4e82bec8288b7 pw_thread_threadx: Remove unused dependency
51572a37f0c380b pw_env_setup: Update default sysroot version

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: e0492ee7eaed1f4..fa1938a64124d21
Roller-URL: https://ci.chromium.org/b/8749289713660698481
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If113a9a13a6d83941bcc5f8637cef60798a062fa
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/207431
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 e0492ee..fa1938a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e0492ee7eaed1f4afa78b34bc6db1c1ca9d50de4
+Subproject commit fa1938a64124d210f738691eeaa9ba66df1e07d9