Updating Angular version

third_party/pkg/angular/scripts/test-expression-extractor.sh

Index: third_party/pkg/angular/scripts/test-expression-extractor.sh
diff --git a/third_party/pkg/angular/scripts/test-expression-extractor.sh b/third_party/pkg/angular/scripts/test-expression-extractor.sh
new file mode 100755
index 0000000000000000000000000000000000000000..2676828c3e1d1f75f92ec409ed907c206794d8f7
--- /dev/null
+++ b/third_party/pkg/angular/scripts/test-expression-extractor.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -e
+
+(cd demo/todo; pub get)
+
+OUT=$(mktemp XXX.dart)
+
+dart bin/expression_extractor.dart demo/todo/main.dart demo/todo /dev/null /dev/null $OUT
+
+if [[ -e $OUT ]]; then
+  echo "Expression extractor created an output file"
+  rm $OUT
+  exit;
+fi;
+
+# The file did not exist, exit with error.
+exit 1