Add atest trigger to MediaProvider

To test media provider is not easy. Atest is easy to use and Media
Provider need more testcase to validated the quality of the changes in
the future.

Change-Id: I07399262190bcd9477d4b62f3ea90cc52ca86bb0
Fixes: 113081447
Test: atest MediaProviderTests
diff --git a/tests/AndroidTest.xml b/tests/AndroidTest.xml
new file mode 100644
index 0000000..a1d075b
--- /dev/null
+++ b/tests/AndroidTest.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 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.
+-->
+<configuration description="Runs Tests for MediaProvder.">
+    <target_preparer class="com.android.tradefed.targetprep.TestAppInstallSetup">
+        <option name="test-file-name" value="MediaProviderTests.apk" />
+    </target_preparer>
+
+    <option name="test-suite-tag" value="apct" />
+    <option name="test-suite-tag" value="framework-base-presubmit" />
+    <option name="test-tag" value="MediaProviderTests" />
+    <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
+        <option name="package" value="com.android.providers.media.tests" />
+        <option name="runner" value="android.support.test.runner.AndroidJUnitRunner" />
+        <option name="hidden-api-checks" value="false"/>
+    </test>
+</configuration>