Adding logger build target to tensorflow/core/platform.

PiperOrigin-RevId: 272072640

tensorflow/core/platform/BUILD

@@ -248,6 +248,20 @@ cc_library(
     deps = tf_platform_helper_deps("load_library_impl"),
 )
 
+cc_library(
+    name = "logger",
+    srcs = ["logger.cc"],
+    hdrs = ["logger.h"],
+    deps = [
+        ":env",
+        ":logging",
+        ":protobuf",
+        "@com_google_absl//absl/base",
+        "@com_google_absl//absl/synchronization",
+        "@com_google_protobuf//:protobuf",
+    ],
+)
+
 cc_library(
     name = "logging",
     textual_hdrs = ["logging.h"],