Fix thumb size in Quick Controls

    Bug: 5248402

Change-Id: I51e4bcbfec2d9effdd7216327f969b87fc620465
diff --git a/res/layout/qc_tab.xml b/res/layout/qc_tab.xml
index 6fcd0f4..af8d46f 100644
--- a/res/layout/qc_tab.xml
+++ b/res/layout/qc_tab.xml
@@ -37,14 +37,14 @@
         />
     <ImageView
         android:id="@+id/thumb"
-        android:layout_height="@dimen/qc_thumb_width"
-        android:layout_width="@dimen/qc_thumb_height"
+        android:layout_width="@dimen/qc_thumb_width"
+        android:layout_height="@dimen/qc_thumb_height"
         android:layout_marginTop= "1dip"
         android:layout_marginLeft= "1dip"
         android:layout_marginRight= "1dip"
         android:layout_marginBottom= "1dip"
         android:src="@drawable/browser_thumbnail"
-        android:scaleType="centerCrop"
+        android:scaleType="centerInside"
         />
     <TextView android:id="@+id/title2"
         android:layout_width="match_parent"