Fix standalone QUICHE build.

PiperOrigin-RevId: 698050050

quiche/BUILD.bazel

diff --git a/quiche/BUILD.bazel b/quiche/BUILD.bazel
index e3bf35d..cc02c3b 100644
--- a/quiche/BUILD.bazel
+++ b/quiche/BUILD.bazel
@@ -201,6 +201,7 @@
         "@com_google_absl//absl/algorithm:container",
         "@com_google_absl//absl/base:core_headers",
         "@com_google_absl//absl/base:nullability",
+        "@com_google_absl//absl/base:prefetch",
         "@com_google_absl//absl/cleanup",
         "@com_google_absl//absl/container:btree",
         "@com_google_absl//absl/container:fixed_array",
@@ -218,6 +219,7 @@
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
+        "@com_google_absl//absl/synchronization",
         "@com_google_absl//absl/time",
         "@com_google_absl//absl/types:optional",
         "@com_google_absl//absl/types:span",
@@ -263,6 +265,7 @@
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
+        "@com_google_absl//absl/synchronization",
         "@com_google_absl//absl/types:optional",
         "@com_google_absl//absl/types:span",
         "@com_google_googletest//:gtest",
@@ -291,6 +294,7 @@
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
+        "@com_google_absl//absl/synchronization",
         "@com_google_absl//absl/time",
         "@com_google_absl//absl/types:optional",
         "@com_google_absl//absl/types:span",
@@ -371,6 +375,7 @@
         "@com_google_absl//absl/container:flat_hash_map",
         "@com_google_absl//absl/container:flat_hash_set",
         "@com_google_absl//absl/container:node_hash_map",
+        "@com_google_absl//absl/flags:flag",
         "@com_google_absl//absl/functional:bind_front",
         "@com_google_absl//absl/hash",
         "@com_google_absl//absl/memory",
@@ -379,6 +384,7 @@
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
+        "@com_google_absl//absl/synchronization",
         "@com_google_absl//absl/types:optional",
         "@com_google_absl//absl/types:span",
         "@com_google_googletest//:gtest_main",
@@ -406,6 +412,7 @@
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
+        "@com_google_absl//absl/synchronization",
         "@com_google_absl//absl/types:optional",
         "@com_google_absl//absl/types:span",
         "@com_google_absl//absl/types:variant",
@@ -434,6 +441,7 @@
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
+        "@com_google_absl//absl/synchronization",
         "@com_google_absl//absl/types:optional",
         "@com_google_absl//absl/types:span",
         "@com_google_absl//absl/types:variant",
@@ -473,6 +481,7 @@
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
+        "@com_google_absl//absl/synchronization",
         "@com_google_absl//absl/time",
         "@com_google_absl//absl/types:optional",
         "@com_google_absl//absl/types:span",