roll: third_party/pigweed pw_unit_test: Change _PW_TEST_BOOL to use _pw_ prefix on param names

This avoids potential variable shadowing errors.

These names match the other related macros.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/238933
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 378689c0933d21abcbe1829cf56c3379ff402c85

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: c135bd73312fe0..378689c0933d21
Roller-URL: https://ci.chromium.org/b/8735336685409882145
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ie439b17af26736a73ba0e6bddfebdd4c20290e6e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/238875
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: 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 c135bd7..378689c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c135bd73312fe0626e4dce49cef5e1f41b7288c4
+Subproject commit 378689c0933d21abcbe1829cf56c3379ff402c85