Animations/success state for external confirm device credentials (2/2)

Bug: 20929186
Change-Id: I4489dd37f1148fb03315ec337a546eee04660cb5

res/anim/confirm_credential_close_exit.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2015 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+
+<alpha xmlns:android="http://schemas.android.com/apk/res/android"
+    android:interpolator="@android:interpolator/linear_out_slow_in"
+    android:fromAlpha="1.0" android:toAlpha="0.0"
+    android:duration="350" />