Update sample layout with better use of auto dismiss feature

Author: John Cordeiro

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

@@ -25,7 +25,7 @@
                     android:hint="Name"
                     app:validateMinLength="@{4}"
                     app:validateMinLengthMessage="@{@string/custom_error_min_length}"
-                    app:validateMinLengthAutoDismiss="@{false}"
+                    app:validateMinLengthAutoDismiss="@{true}"
                     app:validateMaxLength="@{10}"
                     app:validateMaxLengthMessage="@{@string/custom_error_max_length}"/>
 
@@ -41,8 +41,7 @@
                     android:layout_height="wrap_content"
                     android:hint="Username"
                     app:validateType='@{"username"}'
-                    app:validateTypeMessage="@{@string/custom_error_username}"
-                    app:validateTypeAutoDismiss="@{false}"/>
+                    app:validateTypeMessage="@{@string/custom_error_username}" />
 
             </android.support.design.widget.TextInputLayout>
 
@@ -54,7 +53,8 @@
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:hint="Email"
-                    app:validateType='@{"email"}' />
+                    app:validateType='@{"email"}'
+                    app:validateTypeAutoDismiss="@{true}"/>
 
             </android.support.design.widget.TextInputLayout>