[Android] Add a dummy uiautomator tests target for chromium testshell.

chrome/android/uiautomator_tests/src/org/chromium/chrome/testshell/uiautomator/DummyTest.java

Index: chrome/android/uiautomator_tests/src/org/chromium/chrome/testshell/uiautomator/DummyTest.java
diff --git a/chrome/android/uiautomator_tests/src/org/chromium/chrome/testshell/uiautomator/DummyTest.java b/chrome/android/uiautomator_tests/src/org/chromium/chrome/testshell/uiautomator/DummyTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..5333613a1e0aa4e03934b3898319194e1d0fa641
--- /dev/null
+++ b/chrome/android/uiautomator_tests/src/org/chromium/chrome/testshell/uiautomator/DummyTest.java
@@ -0,0 +1,18 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.testshell.uiautomator;
+
+import com.android.uiautomator.testrunner.UiAutomatorTestCase;
+
+import org.chromium.base.test.util.DisabledTest;
+
+/**
+ * Dummy test for verifying uiautomator tests can be built.
+ */
+public class DummyTest extends UiAutomatorTestCase {
+
+  @DisabledTest
+  public void testPass() {}
+}