Expose gpr_asprintf and gpr_strdup
diff --git a/test/core/end2end/cq_verifier.c b/test/core/end2end/cq_verifier.c
index 7822d00..8fd6867 100644
--- a/test/core/end2end/cq_verifier.c
+++ b/test/core/end2end/cq_verifier.c
@@ -42,6 +42,7 @@
 #include <grpc/byte_buffer.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 
diff --git a/test/core/end2end/fixtures/chttp2_fullstack_uds_posix.c b/test/core/end2end/fixtures/chttp2_fullstack_uds_posix.c
index 876782d..02aa575 100644
--- a/test/core/end2end/fixtures/chttp2_fullstack_uds_posix.c
+++ b/test/core/end2end/fixtures/chttp2_fullstack_uds_posix.c
@@ -48,6 +48,7 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
diff --git a/test/core/end2end/tests/census_simple_request.c b/test/core/end2end/tests/census_simple_request.c
index b808684..e0f9969 100644
--- a/test/core/end2end/tests/census_simple_request.c
+++ b/test/core/end2end/tests/census_simple_request.c
@@ -40,6 +40,7 @@
 #include <grpc/byte_buffer.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 #include "test/core/end2end/cq_verifier.h"
diff --git a/test/core/fling/fling_stream_test.c b/test/core/fling/fling_stream_test.c
index 41ba995..4d9253c 100644
--- a/test/core/fling/fling_stream_test.c
+++ b/test/core/fling/fling_stream_test.c
@@ -47,6 +47,7 @@
 #include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
+#include <grpc/support/string_util.h>
 #include "test/core/util/port.h"
 
 int main(int argc, char **argv) {
diff --git a/test/core/fling/fling_test.c b/test/core/fling/fling_test.c
index 6b07f83..f9ba461 100644
--- a/test/core/fling/fling_test.c
+++ b/test/core/fling/fling_test.c
@@ -35,8 +35,9 @@
 #include <stdio.h>
 
 #include <grpc/support/alloc.h>
-#include <grpc/support/subprocess.h>
 #include <grpc/support/host_port.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/subprocess.h>
 #include "src/core/support/string.h"
 #include "test/core/util/port.h"
 
diff --git a/test/core/json/json_test.c b/test/core/json/json_test.c
index 9a50a69..3033419 100644
--- a/test/core/json/json_test.c
+++ b/test/core/json/json_test.c
@@ -36,6 +36,7 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/useful.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include "src/core/json/json.h"
 #include "src/core/support/string.h"
 
diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index 9a77f88..69ec680 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c
@@ -40,6 +40,7 @@
 #include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 #include "test/core/util/test_config.h"
 #include <openssl/rsa.h>
diff --git a/test/core/support/murmur_hash_test.c b/test/core/support/murmur_hash_test.c
index e3890a7..2462abf 100644
--- a/test/core/support/murmur_hash_test.c
+++ b/test/core/support/murmur_hash_test.c
@@ -33,6 +33,7 @@
 
 #include "src/core/support/murmur_hash.h"
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include "test/core/util/test_config.h"
 
 #include <string.h>
diff --git a/test/core/support/string_test.c b/test/core/support/string_test.c
index a1692ab..b59082e 100644
--- a/test/core/support/string_test.c
+++ b/test/core/support/string_test.c
@@ -39,6 +39,7 @@
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/transport/chttp2/hpack_table_test.c b/test/core/transport/chttp2/hpack_table_test.c
index 6bc6978..8b86e08 100644
--- a/test/core/transport/chttp2/hpack_table_test.c
+++ b/test/core/transport/chttp2/hpack_table_test.c
@@ -39,6 +39,7 @@
 #include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/transport/chttp2/stream_encoder_test.c b/test/core/transport/chttp2/stream_encoder_test.c
index 9183344..bf70d43 100644
--- a/test/core/transport/chttp2/stream_encoder_test.c
+++ b/test/core/transport/chttp2/stream_encoder_test.c
@@ -39,6 +39,7 @@
 #include "src/core/transport/chttp2/hpack_parser.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include "test/core/util/parse_hexstring.h"
 #include "test/core/util/slice_splitter.h"
 #include "test/core/util/test_config.h"
diff --git a/test/core/transport/chttp2/timeout_encoding_test.c b/test/core/transport/chttp2/timeout_encoding_test.c
index daaae1d..5bfb9cf 100644
--- a/test/core/transport/chttp2/timeout_encoding_test.c
+++ b/test/core/transport/chttp2/timeout_encoding_test.c
@@ -39,6 +39,7 @@
 #include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/transport/metadata_test.c b/test/core/transport/metadata_test.c
index 9b242c5..89deee5 100644
--- a/test/core/transport/metadata_test.c
+++ b/test/core/transport/metadata_test.c
@@ -39,6 +39,7 @@
 #include "src/core/transport/chttp2/bin_encoder.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
diff --git a/test/core/tsi/transport_security_test.c b/test/core/tsi/transport_security_test.c
index e45602b..bba6744 100644
--- a/test/core/tsi/transport_security_test.c
+++ b/test/core/tsi/transport_security_test.c
@@ -37,6 +37,7 @@
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/useful.h>
 
 #include <openssl/crypto.h>