Change emergency dialer FAB to correct size

Bug: 21300529
Change-Id: I869ecaf6bcc11f9c00b9b9322dc95355f7170293
diff --git a/src/com/android/phone/EmergencyDialer.java b/src/com/android/phone/EmergencyDialer.java
index 93760d2..2e444e0 100644
--- a/src/com/android/phone/EmergencyDialer.java
+++ b/src/com/android/phone/EmergencyDialer.java
@@ -206,8 +206,7 @@
         } else {
             mDialButton.setVisibility(View.GONE);
         }
-        View floatingActionButtonContainer = findViewById(R.id.floating_action_button_container);
-        ViewUtil.setupFloatingActionButton(floatingActionButtonContainer, getResources());
+        ViewUtil.setupFloatingActionButton(mDialButton, getResources());
 
         if (icicle != null) {
             super.onRestoreInstanceState(icicle);