roll: third_party/pigweed pw_unit_test: Define pw::Status matchers

Adds PW_TEST_EXPECT_OK, PW_TEST_ASSERT_OK, PW_TEST_ASSERT_OK_AND_ASSIGN

These extend the pw_unit_test API surface to provide test matchers for
pw::Status/Result.

A copy of these were added to the googletest_test_matchers helpers but
could have conflicted with the gtest/absl variants. Rename those as
well, and expose them through the status_test_matchers.h header so tests
that use these new macros can be used with either backend.

Original-Bug: 338094795
Original-Bug: 315370328
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/243615
Original-Revision: ce0e3e2d1b7eec7cdf59fbb2ceed2b1cb3edd1ec

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: a4636bc83d6905..ce0e3e2d1b7eec
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8733387952771851265
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I2b57c4b2b24aae85efa5dcd4a06c73d5ccbf0bd9
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/243797
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 a4636bc..ce0e3e2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit a4636bc83d6905cb252a65d19eab4ec2478af42b
+Subproject commit ce0e3e2d1b7eec7cdf59fbb2ceed2b1cb3edd1ec