Adding WebView select tests to test select element's dropdown menu

android_webview/tools/automated_ui_tests/BUILD.gn

Index: android_webview/tools/automated_ui_tests/BUILD.gn
diff --git a/android_webview/tools/automated_ui_tests/BUILD.gn b/android_webview/tools/automated_ui_tests/BUILD.gn
index 37bd4657c125cf3c5295a32045222986af435c7b..156e66bfa8e21bf9c15362e1b1c3bef4e2acd2fd 100644
--- a/android_webview/tools/automated_ui_tests/BUILD.gn
+++ b/android_webview/tools/automated_ui_tests/BUILD.gn
@@ -41,10 +41,14 @@ instrumentation_test_apk("webview_ui_test_app_test_apk") {
   apk_under_test = ":webview_ui_test_app_apk"
   android_manifest = "javatests/AndroidManifest.xml"
   java_files = [
+    "javatests/src/org/chromium/webview_ui_test/test/DropDownListTest.java",
     "javatests/src/org/chromium/webview_ui_test/test/LoadDataTest.java",
     "javatests/src/org/chromium/webview_ui_test/test/WebViewTestBase.java",
     "javatests/src/org/chromium/webview_ui_test/test/WebViewJSTest.java",
+    "javatests/src/org/chromium/webview_ui_test/test/util/DropDownListUtils.java",
+    "javatests/src/org/chromium/webview_ui_test/test/util/ScrollByAction.java",
     "javatests/src/org/chromium/webview_ui_test/test/util/UseLayout.java",
+    "javatests/src/org/chromium/webview_ui_test/test/util/UseWideViewPortAction.java",
     "javatests/src/org/chromium/webview_ui_test/test/util/WebViewUiTestRule.java",
     "javatests/src/org/chromium/webview_ui_test/test/util/WebViewSyncWrapper.java",
   ]