Russian language (#81)

Author: Rusikxxx

play-services-base/core/src/main/res/values-ru/plurals.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <plurals name="mtrl_badge_content_description">
+        <item quantity="other">%d нового уведомления</item>
+        <item quantity="one">%d новое уведомление</item>
+        <item quantity="few">%d новых уведомления</item>
+        <item quantity="many">%d новых уведомлений</item>
+    </plurals>
+</resources>