Add latest version of Chrome for testing

Change-Id: I655f6a6f7fd2108391040c99f35118aa179dd43e
diff --git a/build.gradle b/build.gradle
index 12d14c9..7b0526b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -402,6 +402,7 @@
     "third_party": [
         "benchmarks/kotlin-benches",
         "chrome/chrome_180917_ffbaa8",
+        "chrome/chrome_200430",
         "classlib",
         "cf_segments",
         "desugar/desugar_20180308",