Run include_cleaner on //third_party/spdy

This did require some manual corrections, and clang-tidy failed on some of the headers due to ODR violations (which we should fix in a different CL).

PiperOrigin-RevId: 574033428

quiche/common/platform/api/quiche_test.h

diff --git a/quiche/common/platform/api/quiche_test.h b/quiche/common/platform/api/quiche_test.h
index 2fbb81d..a1e3cff 100644
--- a/quiche/common/platform/api/quiche_test.h
+++ b/quiche/common/platform/api/quiche_test.h
@@ -5,7 +5,7 @@
 #ifndef QUICHE_COMMON_PLATFORM_API_QUICHE_TEST_H_
 #define QUICHE_COMMON_PLATFORM_API_QUICHE_TEST_H_
 
-#include "quiche_platform_impl/quiche_test_impl.h"
+#include "quiche_platform_impl/quiche_test_impl.h"  // IWYU pragma: export
 
 namespace quiche::test {