Get ASAN building again

src/core/lib/transport/timeout_encoding.h

@@ -34,7 +34,9 @@
 #ifndef GRPC_CORE_LIB_TRANSPORT_TIMEOUT_ENCODING_H
 #define GRPC_CORE_LIB_TRANSPORT_TIMEOUT_ENCODING_H
 
+#include <grpc/slice.h>
 #include <grpc/support/time.h>
+
 #include "src/core/lib/support/string.h"
 
 #define GRPC_HTTP2_TIMEOUT_ENCODE_MIN_BUFSIZE (GPR_LTOA_MIN_BUFSIZE + 1)

test/core/end2end/invalid_call_argument_test.c

@@ -576,9 +576,8 @@ static void test_invalid_initial_metadata_reserved_key() {
   gpr_log(GPR_INFO, "test_invalid_initial_metadata_reserved_key");
 
   grpc_metadata metadata;
-  metadata.key = ":start_with_colon";
-  metadata.value = "value";
-  metadata.value_length = 6;
+  metadata.key = grpc_slice_from_static_string(":start_with_colon");
+  metadata.value = grpc_slice_from_static_string("value");
 
   grpc_op *op;
   prepare_test(1);