Add vts tests to verify DRM AIDL interface

The DRM AIDL interface is in change 15329852.
The default implementation of the interface is in the clearkey
HAL in change 15958954.

[TODO] APIs pending vts coverage:
+ ICryptoFactory
   + isCryptoSchemeSupported
+ ICryptoPlugin
   + getLogMessages
   + notifyResolution
   + requiresSecureDecoderComponent
+ IDrmFactory
   + getSupportedCryptoSchemes
   + isContentTypeSupported
+ IDrmPlugin
   + decrypt
   + encrypt
   + getLogMessages
   + getMetrics
   + getNumberOfSessions
   + getPropertyByteArray
   + getPropertyString
   + getSecureStop
   + getSecureStopIds
   + getSecureStops
   + queryKeyStatus
   + releaseAllSecureStops
   + releaseSecureStop
   + releaseSecureStops
   + removeAllSecureStops
   + removeKeys
   + removeSecureStop
   + requiresSecureDecoder
   + requiresSecureDecoderDefault
   + restoreKeys
   + setCipherAlgorithm
   + setMacAlgorithm
   + setPlaybackId
   + setPropertyByteArray
   + sign
   + signRSA
   + verify

Bug: 170964303
Bug: 200055138
Test: atest VtsAidlHalDrmTargetTest
Change-Id: If8b582796fdbc34d3d7720fa45df8291f72cd46a
diff --git a/drm/aidl/vts/AndroidTest.xml b/drm/aidl/vts/AndroidTest.xml
new file mode 100644
index 0000000..9e5b41a
--- /dev/null
+++ b/drm/aidl/vts/AndroidTest.xml
@@ -0,0 +1,38 @@
+<?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 VtsAidlHalDrmTargetTest.">
+    <option name="test-suite-tag" value="apct" />
+    <option name="test-suite-tag" value="apct-native" />
+    <option name="not-shardable" value="true" />
+
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+
+    <target_preparer class="com.android.tradefed.targetprep.WifiPreparer" >
+        <option name="verify-only" value="true" />
+    </target_preparer>
+
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push-file" key="VtsAidlHalDrmTargetTest" value="/data/local/tmp/VtsAidlHalDrmTargetTest" />
+        <option name="push-file" key="libvtswidevine64.so" value="/data/local/tmp/64/lib/libvtswidevine.so" />
+        <option name="push-file" key="libvtswidevine32.so" value="/data/local/tmp/32/lib/libvtswidevine.so" />
+    </target_preparer>
+
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="VtsAidlHalDrmTargetTest" />
+    </test>
+</configuration>