Fix language switch preview

This change also makes the delay after key preview longer to 60ms.

Change-Id: If7cf3b493824bb12e0bf44aa0bc3c186b15b51f6
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index 77259b1..a1cd70b 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -53,7 +53,7 @@
     <integer name="config_duration_of_fadeout_language_on_spacebar">50</integer>
     <integer name="config_final_fadeout_percentage_of_language_on_spacebar">15</integer>
     <integer name="config_delay_before_preview">0</integer>
-    <integer name="config_delay_after_preview">10</integer>
+    <integer name="config_delay_after_preview">60</integer>
     <integer name="config_mini_keyboard_fadein_anim_time">0</integer>
     <integer name="config_mini_keyboard_fadeout_anim_time">100</integer>
     <integer name="config_delay_before_key_repeat_start">400</integer>