Centered the icon

app/src/main/res/layout/player.xml

@@ -214,6 +214,7 @@
                         android:paddingStart="6dp"
                         android:paddingEnd="6dp"
                         android:paddingBottom="3dp"
+                        android:paddingTop="3dp"
                         android:scaleType="fitCenter"
                         android:src="@drawable/ic_menu_book"
                         android:visibility="gone"