Include dart-sdk in DependenciesPlugin

Change-Id: Iea15b92a111e9aa59c953fffeb769248d87f6364
diff --git a/d8_r8/commonBuildSrc/src/main/kotlin/DependenciesPlugin.kt b/d8_r8/commonBuildSrc/src/main/kotlin/DependenciesPlugin.kt
index fe9bd92..85235fa 100644
--- a/d8_r8/commonBuildSrc/src/main/kotlin/DependenciesPlugin.kt
+++ b/d8_r8/commonBuildSrc/src/main/kotlin/DependenciesPlugin.kt
@@ -437,6 +437,10 @@
     "dagger",
     Paths.get("third_party", "dagger", "2.41").toFile(),
     Paths.get("third_party", "dagger", "2.41.tar.gz.sha1").toFile())
+  val dartSdk = ThirdPartyDependency(
+    "dart-sdk",
+    Paths.get("third_party", "dart-sdk").toFile(),
+    Paths.get("third_party", "dart-sdk.tar.gz.sha1").toFile())
   val ddmLib = ThirdPartyDependency(
     "ddmlib",
     Paths.get("third_party", "ddmlib").toFile(),