Revert of [Android] JUnit runner + gyp changes.

testing/android/junit/java/src/org/chromium/testing/local/RunnerFilter.java

Index: testing/android/junit/java/src/org/chromium/testing/local/RunnerFilter.java
diff --git a/testing/android/junit/java/src/org/chromium/testing/local/RunnerFilter.java b/testing/android/junit/java/src/org/chromium/testing/local/RunnerFilter.java
deleted file mode 100644
index e32753e998676aa6dbde8388d9ce4a99681f2a5d..0000000000000000000000000000000000000000
--- a/testing/android/junit/java/src/org/chromium/testing/local/RunnerFilter.java
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2014 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.testing.local;
-
-import org.junit.runner.Description;
-import org.junit.runner.RunWith;
-import org.junit.runner.manipulation.Filter;
-
-/**
- *  Filters tests based on the Runner class annotating the test class.
- */
-class RunnerFilter extends Filter {
-
-    private final Class<?> mRunnerClass;
-
-    /**
-     *  Creates the filter.
-     */
-    public RunnerFilter(Class<?> runnerClass) {
-        mRunnerClass = runnerClass;
-    }
-
-    /**
-     *  Determines whether or not a test with the provided description should
-     *  run based on the Runner class annotating the test class.
-     */
-    @Override
-    public boolean shouldRun(Description description) {
-        Class<?> c = description.getTestClass();
-        return c != null && c.isAnnotationPresent(RunWith.class)
-                && c.getAnnotation(RunWith.class).value() == mRunnerClass;
-    }
-
-    /**
-     *  Returns a description of this filter.
-     */
-    @Override
-    public String describe() {
-        return "runner-filter: " + mRunnerClass.getName();
-    }
-
-}
-