Revert "Revert "Support Emoji keyboard""

Window resizing junkiness is addressed in I605e657c9468

This reverts commit aabc97233826da69edbadfc7c1465a505a1fe2ec.

Change-Id: I0bc0f1ad9a90799e643fe9ec35f5b4bbe94eee0d
diff --git a/java/res/values/themes-ics.xml b/java/res/values/themes-ics.xml
index f5b7483..f3b6b13 100644
--- a/java/res/values/themes-ics.xml
+++ b/java/res/values/themes-ics.xml
@@ -97,6 +97,8 @@
         <item name="spacebarTextColor">@color/spacebar_text_color_ics</item>
         <item name="spacebarTextShadowColor">@color/spacebar_text_shadow_color_ics</item>
     </style>
+    <!-- Though {@link EmojiKeyboardView} doesn't extend {@link KeyboardView}, some views inside it,
+         for instance delete button, need themed {@link KeyboardView} attributes. -->
     <style
         name="EmojiKeyboardView.ICS"
         parent="KeyboardView.ICS"