added NIMA sample to showcase animations

improved third_party template to include headers as system headers for non-Windows machines

Bug: skia:
Change-Id: Id2fa74fc31b49f9b07cc83e7f60477c7ab4f8d83
Reviewed-on: https://skia-review.googlesource.com/135450
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index 3f58f44..a433b92 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1547,6 +1547,7 @@
         ":xml",
         "modules/sksg:samples",
         "modules/skshaper",
+        "//third_party/Nima-Cpp",
       ]
 
       if (skia_use_lua) {
@@ -1576,6 +1577,7 @@
         ":tool_utils",
         "modules/skottie",
         "modules/sksg",
+        "//third_party/Nima-Cpp",
         "//third_party/jsoncpp",
         "//third_party/libpng",
       ]
@@ -1999,6 +2001,7 @@
       ":views",
       "modules/skottie",
       "modules/sksg",
+      "//third_party/Nima-Cpp",
       "//third_party/imgui",
     ]
   }