Refactor KeyboardView and create MiniKeyboardView

Change-Id: I8d68b944762ccde05020978f20b3742eb6ab945b
diff --git a/java/res/values/styles.xml b/java/res/values/styles.xml
index ef48a4b..8a4b16d 100644
--- a/java/res/values/styles.xml
+++ b/java/res/values/styles.xml
@@ -35,7 +35,7 @@
         <item name="backgroundDimAmount">0.5</item>
         <item name="colorScheme">white</item>
     </style>
-    <style name="MiniKeyboardAnimation">
+    <style name="PopupMiniKeyboardAnimation">
         <item name="android:windowEnterAnimation">@anim/mini_keyboard_fadein</item>
         <item name="android:windowExitAnimation">@anim/mini_keyboard_fadeout</item>
     </style>