[Build] Add missing absl includes (#34499)

To avoid depending on transitive includes, specially avoid relying on
transitive include status.h -> str_cat.h that is removed in the latest
version of abseil

src/core/lib/iomgr/event_engine_shims/endpoint.cc

@@ -18,7 +18,9 @@
 #include <atomic>
 #include <memory>
 
+#include "absl/functional/any_invocable.h"
 #include "absl/status/status.h"
+#include "absl/status/statusor.h"
 #include "absl/strings/string_view.h"
 
 #include <grpc/event_engine/event_engine.h>

src/core/lib/iomgr/event_engine_shims/tcp_client.cc

@@ -16,6 +16,8 @@
 #include "src/core/lib/iomgr/event_engine_shims/tcp_client.h"
 
 #include "absl/status/status.h"
+#include "absl/status/statusor.h"
+#include "absl/strings/str_cat.h"
 #include "absl/strings/string_view.h"
 
 #include <grpc/event_engine/event_engine.h>

src/core/lib/iomgr/tcp_posix.cc

@@ -18,6 +18,12 @@
 
 #include <grpc/support/port_platform.h>
 
+#include "absl/base/thread_annotations.h"
+#include "absl/status/status.h"
+#include "absl/strings/str_cat.h"
+#include "absl/strings/string_view.h"
+#include "absl/types/optional.h"
+
 #include <grpc/impl/grpc_types.h>
 
 #include "src/core/lib/iomgr/exec_ctx.h"