skp_parser

compiles with GN.

NOTRY=true
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2281733003

Review-Url: https://codereview.chromium.org/2281733003
diff --git a/BUILD.gn b/BUILD.gn
index 14918da..95e7259 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1084,4 +1084,16 @@
     ]
     testonly = true
   }
+
+  executable("skp_parser") {
+    sources = [
+      "tools/skp_parser.cpp",
+    ]
+    deps = [
+      ":skia",
+      ":tool_utils",
+      "//third_party/jsoncpp",
+    ]
+    testonly = true
+  }
 }