Remove prod-tests dir.

Also move example config and test up one level to still act as an example.

Bug: 38383668
Test: Manually built tradefed-all with no issues.
Change-Id: I48262710b367c78afbc97a12facadb7c2c6d9b34
(cherry picked from commit 45e676c7282addf4f796949829b370c946f36b57)
diff --git a/Android.mk b/Android.mk
index 79446a1..744e0a0 100644
--- a/Android.mk
+++ b/Android.mk
@@ -19,7 +19,7 @@
 # Only compile source java files in this lib.
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
 
-# LOCAL_JAVA_RESOURCE_DIRS := res
+LOCAL_JAVA_RESOURCE_DIRS := res
 
 LOCAL_JAVACFLAGS += -g -Xlint
 
diff --git a/res/config/example/example.xml b/res/config/example/example.xml
new file mode 100644
index 0000000..14d3378
--- /dev/null
+++ b/res/config/example/example.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 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.
+-->
+<!-- TODO: Delete when real configs make it here. -->
+<configuration description="Example test config.">
+    <!-- Some option for the whole configuration. -->
+    <option name="test-tag" value="example-test" />
+
+    <!-- Example test that will be ran. -->
+    <test class="com.android.tradefed.ExampleTest" />
+
+    <!-- Example target preparer used. -->
+    <target_preparer class="com.android.tradefed.targetprep.ExampleTargetPreparer" />
+
+</configuration>
+
diff --git a/src/com/android/example_test/ExampleTest.java b/src/com/android/example_test/ExampleTest.java
new file mode 100644
index 0000000..dd73be2
--- /dev/null
+++ b/src/com/android/example_test/ExampleTest.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+package com.android.tradefed;
+
+import com.android.tradefed.device.DeviceNotAvailableException;
+import com.android.tradefed.log.LogUtil.CLog;
+import com.android.tradefed.result.ITestInvocationListener;
+import com.android.tradefed.testtype.IRemoteTest;
+
+/**
+ * Example test to seed Trade Federation Contrib project.
+ */
+// TODO: Delete when real tests make it here.
+public class ExampleTest implements IRemoteTest {
+    @Override
+    public void run(ITestInvocationListener listener) throws DeviceNotAvailableException {
+        CLog.i("AOSP example test says Hello!");
+    }
+}