Dice HAL: Add VTS Test.

This CL adds a VTS test for the DICE HAL, and a test specific for
demotion testing. Demotion testing leaves the device in a permanently
modified state untill the next reboot, which is why it needs a special
test config. The current test config restarts the device before testing,
in a followup the device also has to reboot after the test.

Bug: 198197213
Test: atest VtsAidlDiceTargetTest
      atest VtsAidlDiceDemoteTargetTest
Change-Id: I4278a1352df749da50dc8e5d118fc37336026061
diff --git a/security/dice/aidl/vts/functional/VtsAidlDiceDemoteTargetTest.xml b/security/dice/aidl/vts/functional/VtsAidlDiceDemoteTargetTest.xml
new file mode 100644
index 0000000..2991580
--- /dev/null
+++ b/security/dice/aidl/vts/functional/VtsAidlDiceDemoteTargetTest.xml
@@ -0,0 +1,33 @@
+<?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="Config to run VtsAidlDiceDemoteTargetTest device tests.">
+
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
+    </target_preparer>
+
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="VtsAidlDiceDemoteTargetTest->/data/local/tmp/VtsAidlDiceDemoteTargetTest" />
+    </target_preparer>
+
+    <test class="com.android.tradefed.testtype.rust.RustBinaryTest" >
+        <option name="test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="VtsAidlDiceDemoteTargetTest" />
+    </test>
+    <target_preparer class="com.android.tradefed.targetprep.RebootTargetPreparer" />
+
+</configuration>
\ No newline at end of file