Add test config for Contacts

Allows running `atest ContactsTests` and its variants assuming
com.android.contacts is already installed

Test: atest ContactsTests
Bug: 142947789
Fixes: 142946168
Change-Id: I35287655889360d4f9f0ebc6a1eae26d3c6ce5f7
diff --git a/tests/Android.bp b/tests/Android.bp
index 7754fd4..2e1d47b 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -22,4 +22,6 @@
         "android.test.base.stubs",
         "android.test.mock.stubs",
     ],
+
+    test_suites: ["general-tests"],
 }
diff --git a/tests/AndroidTest.xml b/tests/AndroidTest.xml
new file mode 100644
index 0000000..5665490
--- /dev/null
+++ b/tests/AndroidTest.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 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 Contacts.">
+  <target_preparer class="com.android.tradefed.targetprep.suite.SuiteApkInstaller">
+    <option name="cleanup-apks" value="true" />
+    <option name="test-file-name" value="ContactsTests.apk" />
+  </target_preparer>
+
+  <option name="test-suite-tag" value="apct" />
+  <option name="test-tag" value="ContactsTests" />
+  <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
+    <option name="package" value="com.android.contacts.tests" />
+    <option name="runner" value="androidx.test.runner.AndroidJUnitRunner" />
+    <option name="hidden-api-checks" value="false"/>
+  </test>
+</configuration>
diff --git a/tests/README b/tests/README
new file mode 100644
index 0000000..3829344
--- /dev/null
+++ b/tests/README
@@ -0,0 +1,11 @@
+# Running tests
+
+Build and install Contacts.apk
+
+Run
+```shell
+$ atest ContactsTests
+```
+
+More information can be found at
+https://source.android.com/compatibility/tests/development/atest