Add new fuzz binary.

This is designed to have short startup time, for maximum fuzzing throughput.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1589563002

Review URL: https://codereview.chromium.org/1589563002
diff --git a/gyp/fuzz.gyp b/gyp/fuzz.gyp
new file mode 100644
index 0000000..40845a1
--- /dev/null
+++ b/gyp/fuzz.gyp
@@ -0,0 +1,17 @@
+# Copyright 2016 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+    'includes': [ 'apptype_console.gypi' ],
+    'targets': [{
+        'target_name': 'fuzz',
+        'type': 'executable',
+        'sources': [ '<!@(python find.py ../fuzz "*.cpp")' ],
+        'dependencies': [
+            'flags.gyp:flags',
+            'skia_lib.gyp:skia_lib',
+        ],
+    }],
+}