Export of internal Abseil changes

--
972333fe1e43427849b8a634aa35061e81be3642 by Abseil Team <absl-team@google.com>:

Replace deprecated thread annotations macros.

PiperOrigin-RevId: 267332619

--
7039c6dc499a31c372b4872eda0772455931c360 by Gennadiy Rozental <rogeeff@google.com>:

Internal change

PiperOrigin-RevId: 267220271

--
a3f524d2afc2535686f206a7ce06961016349d7a by Abseil Team <absl-team@google.com>:

Factor kernel_timeout out of synchronization.

PiperOrigin-RevId: 267217304

--
90287de4114ef9a06cafe50256a2d03349772c21 by Abseil Team <absl-team@google.com>:

Fixed comment typo.

PiperOrigin-RevId: 267198532

--
d312c1a1e52aeca1871ff0deead416d09a7f237e by Gennadiy Rozental <rogeeff@google.com>:

Internal change

PiperOrigin-RevId: 267185804
GitOrigin-RevId: 972333fe1e43427849b8a634aa35061e81be3642
Change-Id: Ia8a2f877c57cef9854aad48f1753af872fc04dc8

absl/synchronization/BUILD.bazel

@@ -49,6 +49,21 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "kernel_timeout_internal",
+    hdrs = ["internal/kernel_timeout.h"],
+    copts = ABSL_DEFAULT_COPTS,
+    linkopts = ABSL_DEFAULT_LINKOPTS,
+    visibility = [
+        "//absl/synchronization:__pkg__",
+    ],
+    deps = [
+        "//absl/base:core_headers",
+        "//absl/base:raw_logging_internal",
+        "//absl/time",
+    ],
+)
+
 cc_library(
     name = "synchronization",
     srcs = [
@@ -65,7 +80,6 @@ cc_library(
         "barrier.h",
         "blocking_counter.h",
         "internal/create_thread_identity.h",
-        "internal/kernel_timeout.h",
         "internal/mutex_nonprod.inc",
         "internal/per_thread_sem.h",
         "internal/waiter.h",
@@ -79,6 +93,7 @@ cc_library(
     }) + ABSL_DEFAULT_LINKOPTS,
     deps = [
         ":graphcycles_internal",
+        ":kernel_timeout_internal",
         "//absl/base",
         "//absl/base:atomic_hook",
         "//absl/base:base_internal",