GN(android) Add missing outputs for webview grit rule

Not required in GYP since it doesn't assert outputs.
Build fails without this change.

BUG=532905

Review URL: https://codereview.chromium.org/1542153002

Cr-Commit-Position: refs/heads/master@{#367014}

android_webview/BUILD.gn

@@ -301,6 +301,50 @@ grit("generate_components_strings") {
     "components_strings_vi.pak",
     "components_strings_zh-CN.pak",
     "components_strings_zh-TW.pak",
+    "java/res/values-am/components_strings.xml",
+    "java/res/values-ar/components_strings.xml",
+    "java/res/values-bg/components_strings.xml",
+    "java/res/values-ca/components_strings.xml",
+    "java/res/values-cs/components_strings.xml",
+    "java/res/values-da/components_strings.xml",
+    "java/res/values-de/components_strings.xml",
+    "java/res/values-el/components_strings.xml",
+    "java/res/values-en-rGB/components_strings.xml",
+    "java/res/values-es-rUS/components_strings.xml",
+    "java/res/values-es/components_strings.xml",
+    "java/res/values-fa/components_strings.xml",
+    "java/res/values-fi/components_strings.xml",
+    "java/res/values-fr/components_strings.xml",
+    "java/res/values-hi/components_strings.xml",
+    "java/res/values-hr/components_strings.xml",
+    "java/res/values-hu/components_strings.xml",
+    "java/res/values-in/components_strings.xml",
+    "java/res/values-it/components_strings.xml",
+    "java/res/values-iw/components_strings.xml",
+    "java/res/values-ja/components_strings.xml",
+    "java/res/values-ko/components_strings.xml",
+    "java/res/values-lt/components_strings.xml",
+    "java/res/values-lv/components_strings.xml",
+    "java/res/values-nb/components_strings.xml",
+    "java/res/values-nl/components_strings.xml",
+    "java/res/values-pl/components_strings.xml",
+    "java/res/values-pt-rBR/components_strings.xml",
+    "java/res/values-pt-rPT/components_strings.xml",
+    "java/res/values-ro/components_strings.xml",
+    "java/res/values-ru/components_strings.xml",
+    "java/res/values-sk/components_strings.xml",
+    "java/res/values-sl/components_strings.xml",
+    "java/res/values-sr/components_strings.xml",
+    "java/res/values-sv/components_strings.xml",
+    "java/res/values-sw/components_strings.xml",
+    "java/res/values-th/components_strings.xml",
+    "java/res/values-tl/components_strings.xml",
+    "java/res/values-tr/components_strings.xml",
+    "java/res/values-uk/components_strings.xml",
+    "java/res/values-vi/components_strings.xml",
+    "java/res/values-zh-rCN/components_strings.xml",
+    "java/res/values-zh-rTW/components_strings.xml",
+    "java/res/values/components_strings.xml",
   ]
 }