pw_status: Replace Status::Ok() with OkStatus()

- Mark Status::Ok() and StatusWithSize::Ok() as deprecated.
- Replace Status::Ok() with OkStatus().
- Replace StatusWithSize::Ok() with StatusWithSize().

Change-Id: If7192282446bf6d7f90990bb0b4f1b1b89a9228a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/29003
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Keir Mierle <keir@google.com>
diff --git a/pw_string/format_test.cc b/pw_string/format_test.cc
index b7aab52..9aef419 100644
--- a/pw_string/format_test.cc
+++ b/pw_string/format_test.cc
@@ -26,7 +26,7 @@
   char buffer[32];
   auto result = Format(buffer, "-_-");
 
-  EXPECT_EQ(Status::Ok(), result.status());
+  EXPECT_EQ(OkStatus(), result.status());
   EXPECT_EQ(3u, result.size());
   EXPECT_STREQ("-_-", buffer);
 }
@@ -35,7 +35,7 @@
   char buffer[32];
   auto result = Format(buffer, "%d4%s", 123, "5");
 
-  EXPECT_EQ(Status::Ok(), result.status());
+  EXPECT_EQ(OkStatus(), result.status());
   EXPECT_EQ(5u, result.size());
   EXPECT_STREQ("12345", buffer);
 }
@@ -81,7 +81,7 @@
   char buffer[8];
   auto result = CallFormatWithVaList(buffer, "Yo%s", "?!");
 
-  EXPECT_EQ(Status::Ok(), result.status());
+  EXPECT_EQ(OkStatus(), result.status());
   EXPECT_EQ(4u, result.size());
   EXPECT_STREQ("Yo?!", buffer);
 }