Also include abi_test.cc in ssl_test_files.

Change-Id: I1225f1623d4438a2ccaf482eddbe4f460cfaf78c
Reviewed-on: https://boringssl-review.googlesource.com/c/35104
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>

util/generate_build_files.py

@@ -633,7 +633,10 @@ def main(platforms):
   ]
 
   ssl_test_files = FindCFiles(os.path.join('src', 'ssl'), OnlyTests)
-  ssl_test_files.append('src/crypto/test/gtest_main.cc')
+  ssl_test_files += [
+      'src/crypto/test/abi_test.cc',
+      'src/crypto/test/gtest_main.cc',
+  ]
 
   fuzz_c_files = FindCFiles(os.path.join('src', 'fuzz'), NoTests)