Split closures from iomgr.h
diff --git a/src/core/transport/connectivity_state.h b/src/core/transport/connectivity_state.h
index 26f8874..9b4d8da 100644
--- a/src/core/transport/connectivity_state.h
+++ b/src/core/transport/connectivity_state.h
@@ -35,7 +35,7 @@
#define GRPC_INTERNAL_CORE_TRANSPORT_CONNECTIVITY_STATE_H
#include <grpc/grpc.h>
-#include "src/core/iomgr/iomgr.h"
+#include "src/core/iomgr/exec_ctx.h"
typedef struct grpc_connectivity_state_watcher {
/** we keep watchers in a linked list */