Set service_clean_timeout text size to 16sp

Author: DeweyReed

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

@@ -136,7 +136,8 @@
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:text="@string/service_clean_timeout"
-                        android:textAppearance="@style/TextAppearance.AppCompat.Medium" />
+                        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+                        android:textSize="16sp" />
 
                     <EditText
                         android:id="@+id/editServiceCleanTimeout"