Fix unit test

The breakage of the unit tests has been introduced by Id8caf5a972 that
emptied the default styles. This change reverts back some attributes
to the default.

Change-Id: I2748eefe50e34bbf908071e4a1a17a70aa32bdef
diff --git a/java/res/layout/suggestion_info.xml b/java/res/layout/suggestion_info.xml
index 8b0ee34..0aa2600 100644
--- a/java/res/layout/suggestion_info.xml
+++ b/java/res/layout/suggestion_info.xml
@@ -24,4 +24,4 @@
     android:layout_height="wrap_content"
     android:textSize="6dp"
     android:textColor="@android:color/white"
-    android:background="?attr/suggestionBackground" />
+    style="?attr/suggestionWordStyle" />