Add ALTS fuzzer
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index e893eb9..f6374eb 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -1126,6 +1126,7 @@
                       'test/core/end2end/fixtures/proxy.cc',
                       'test/core/iomgr/endpoint_tests.cc',
                       'test/core/util/debugger_macros.cc',
+                      'test/core/util/fuzzer_util.cc',
                       'test/core/util/grpc_profiler.cc',
                       'test/core/util/histogram.cc',
                       'test/core/util/memory_counters.cc',
@@ -1148,6 +1149,7 @@
                       'test/core/end2end/fixtures/proxy.h',
                       'test/core/iomgr/endpoint_tests.h',
                       'test/core/util/debugger_macros.h',
+                      'test/core/util/fuzzer_util.h',
                       'test/core/util/grpc_profiler.h',
                       'test/core/util/histogram.h',
                       'test/core/util/memory_counters.h',