Add mainline apex infra tests to MTS.

Test: m mts && mts-tradefed run mts-mainline-infra
Bug: 140440506
Bug: 140445078
Change-Id: Ia96b00f10ae962c56e4ad8b150cbb96dd55322e5
diff --git a/tools/mts-tradefed/res/config/mts-mainline-infra.xml b/tools/mts-tradefed/res/config/mts-mainline-infra.xml
new file mode 100644
index 0000000..2bc7b8e
--- /dev/null
+++ b/tools/mts-tradefed/res/config/mts-mainline-infra.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 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 MTS-mainline-infra from a pre-existing MTS installation">
+
+    <include name="mts" />
+
+    <option name="plan" value="mts-mainline-infra" />
+
+    <option name="compatibility:include-filter" value="CtsApexTestCases" />
+    <option name="compatibility:include-filter" value="CtsAtomicInstallTestCases" />
+</configuration>
+