Rename mini keyboard to more keys keyboard

Change-Id: Ie4c85e8ca5a1f41a420aae5c1cd9c1cb07e237e5
diff --git a/java/proguard.flags b/java/proguard.flags
index caf1ea1..5ce0c27 100644
--- a/java/proguard.flags
+++ b/java/proguard.flags
@@ -35,6 +35,6 @@
   *;
 }
 
--keep class com.android.inputmethod.keyboard.MiniKeyboard$Builder$MiniKeyboardParams {
+-keep class com.android.inputmethod.keyboard.MoreKeysKeyboard$Builder$MoreKeysKeyboardParams {
   <init>(...);
 }