Move framework test-runner unit tests to be closer to their source.

Move the test-runner source into a separate src folder to accommodate the test
move.

test-runner/android/test/SimpleCache.java

@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2008 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 android.test;
-
-import java.util.HashMap;
-import java.util.Map;
-
-abstract class SimpleCache<K, V> {
-    private Map<K, V> map = new HashMap<K, V>();
-
-    protected abstract V load(K key);
-
-    final V get(K key) {
-        if (map.containsKey(key)) {
-            return map.get(key);
-        }
-        V value = load(key);
-        map.put(key, value);
-        return value;
-    }
-}