[libfuzzer] Added dictionary for v8_json_parser_fuzzer.

testing/libfuzzer/fuzzers/dicts/json.dict

Index: testing/libfuzzer/fuzzers/dicts/json.dict
diff --git a/mash/init/public/interfaces/BUILD.gn b/testing/libfuzzer/fuzzers/dicts/json.dict
similarity index 52%
copy from mash/init/public/interfaces/BUILD.gn
copy to testing/libfuzzer/fuzzers/dicts/json.dict
index 0fde6198252e01ba277351ea5d5278ce1e8f74e9..18a83f4fa5f2a88f90a4f94e006f9dbd9050218e 100644
--- a/mash/init/public/interfaces/BUILD.gn
+++ b/testing/libfuzzer/fuzzers/dicts/json.dict
@@ -2,10 +2,32 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//mojo/public/tools/bindings/mojom.gni")
-
-mojom("interfaces") {
-  sources = [
-    "init.mojom",
-  ]
-}
+"{"
+"}"
+"["
+"]"
+"\""
+"'"
+"\\"
+"//"
+":"
+","
+" "
+"\\n"
+"\\r"
+"/*"
+"*/"
+"true"
+"false"
+"null"
+"\\u"
+"\\b"
+"\\f"
+"\\t"
+"."
+"e"
+"e+"
+"e-"
+"E"
+"E+"
+"E-"