Adjust visibility for `status_matchers` and `internal` in OSS.

Make these targets publicly visible in the open-source release to fix downstream build failures (e.g. in Protobuf) caused by recent visibility hardening.

PiperOrigin-RevId: 948538993
Change-Id: Ibf1748d7e7d4f2b55ea3fade8bd2b4bf7523c5ec

absl/status/BUILD.bazel

diff --git a/absl/status/BUILD.bazel b/absl/status/BUILD.bazel
index b2e4e11..287c9e8 100644
--- a/absl/status/BUILD.bazel
+++ b/absl/status/BUILD.bazel
@@ -252,6 +252,7 @@
     hdrs = ["status_matchers.h"],
     copts = ABSL_DEFAULT_COPTS,
     linkopts = ABSL_DEFAULT_LINKOPTS,
+    visibility = ["//visibility:public"],
     deps = [
         ":status",
         ":statusor",

absl/strings/BUILD.bazel

diff --git a/absl/strings/BUILD.bazel b/absl/strings/BUILD.bazel
index 1ab3863..07486d3 100644
--- a/absl/strings/BUILD.bazel
+++ b/absl/strings/BUILD.bazel
@@ -136,11 +136,7 @@
     ],
     copts = ABSL_DEFAULT_COPTS,
     linkopts = ABSL_DEFAULT_LINKOPTS,
-    visibility = [
-        "//absl:friends",
-        "//absl/log:__subpackages__",
-        "//absl/status:__pkg__",
-    ],
+    visibility = ["//visibility:public"],  # Logically private. Do not depend on this.
     deps = [
         ":resize_and_overwrite",
         "//absl/base:config",