TBR: HelloBaku - single-line EditText

Change-Id: Ie10a944d74316dc29e2d7e500ad128957f134ed7
diff --git a/examples/hellobaku/android/app/src/main/res/layout/activity_hello.xml b/examples/hellobaku/android/app/src/main/res/layout/activity_hello.xml
index 193ffa2..a31ec2f 100644
--- a/examples/hellobaku/android/app/src/main/res/layout/activity_hello.xml
+++ b/examples/hellobaku/android/app/src/main/res/layout/activity_hello.xml
@@ -22,7 +22,8 @@
         android:layout_height="wrap_content"
         android:layout_alignParentStart="true"
         android:layout_below="@+id/displayTextView"
-        android:layout_toStartOf="@+id/actionButton" />
+        android:layout_toStartOf="@+id/actionButton"
+        android:singleLine="true" />
 
     <Button
         android:layout_width="wrap_content"