Automated change: Fix sanity tests (#31941)

Co-authored-by: drfloob <drfloob@users.noreply.github.com>

src/core/BUILD

@@ -1682,6 +1682,7 @@ grpc_cc_library(
     name = "event_engine_utils",
     srcs = ["lib/event_engine/utils.cc"],
     hdrs = ["lib/event_engine/utils.h"],
+    external_deps = ["absl/strings"],
     deps = [
         "time",
         "//:event_engine_base_hdrs",

src/core/lib/event_engine/utils.cc

@@ -19,6 +19,8 @@
 
 #include <algorithm>
 
+#include "absl/strings/str_cat.h"
+
 #include <grpc/event_engine/event_engine.h>
 
 #include "src/core/lib/gprpp/time.h"

src/core/lib/event_engine/utils.h

@@ -16,6 +16,8 @@
 
 #include <grpc/support/port_platform.h>
 
+#include <stdint.h>
+
 #include <string>
 
 #include <grpc/event_engine/event_engine.h>