[Checkstyle] Fix misc style issues in Java files.

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

 // 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.Computer;
 import org.junit.runner.Description;
 import org.junit.runner.Runner;
 import org.junit.runner.manipulation.Filter;
@@ skipping 33 matching lines @@
             mLogger.testCaseStarted(mRunner.getDescription(),
                     mRunner.getDescription().testCount());
             mRunner.run(notifier);
             mLogger.testCaseFinished(mRunner.getDescription(),
                     mRunner.getDescription().testCount(),
                     System.currentTimeMillis() - startTimeMillis);
         }
 
         public void filter(Filter filter) throws NoTestsRemainException {
             if (mRunner instanceof Filterable) {
-                ((Filterable)mRunner).filter(filter);
+                ((Filterable) mRunner).filter(filter);
             }
         }
     }
 
     /**
      *  Returns a suite of unit tests with each class runner wrapped by a
      *  GtestSuiteRunner.
      */
     @Override
     public Runner getSuite(final RunnerBuilder builder, Class<?>[] classes)
             throws InitializationError {
         return super.getSuite(
                 new RunnerBuilder() {
                     @Override
                     public Runner runnerForClass(Class<?> testClass) throws Throwable {
                         return new GtestSuiteRunner(builder.runnerForClass(testClass));
                     }
                 }, classes);
     }
 
 }