chat_viewer: wrong translations corrected.

app/src/main/res/values/chat_viewer.xml

@@ -40,8 +40,8 @@
     <string name="save_history">Save local history\nStore message history locally</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/chat_viewer_option_menu.png -->
     <string name="show_history">Show history</string>
-    <string name="action_attention_called">Отправлен запрос на привлечение внимания</string>
-    <string name="action_attention_requested">Внимание привлечено</string>
+    <string name="action_attention_called">Call attention was sent</string>
+    <string name="action_attention_requested">Attention was requested</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/chat_viewer_status.png -->
     <string name="action_ban">%1$s was banned</string>
     <!-- http://dl.dropbox.com/u/1029995/com.xabber.android/chat_viewer_status.png -->