Move Java Blimp shell code to app subpackage

blimp/client/app/android/javatests/src/org/chromium/blimp/BlimpNativeInstrumentationTestCase.java

-// Copyright 2016 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.blimp;
-
-import android.test.InstrumentationTestCase;
-
-import org.chromium.base.ThreadUtils;
-import org.chromium.base.library_loader.ProcessInitException;
-
-import java.util.concurrent.Semaphore;
-
-/**
- * Base class for loading native library in tests. The setUp() methods must be invoked, and
- * subclasses can call {@link #waitUntilNativeIsReady()} in the start of each test-method.
- */
-public class BlimpNativeInstrumentationTestCase extends InstrumentationTestCase {
-    private final Semaphore mNativeReadySemaphore = new Semaphore(0);
-    private boolean mSuccess = false;
-
-    @Override
-    public void setUp() throws ProcessInitException {
-        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
-            @Override
-            public void run() {
-                try {
-                    BlimpLibraryLoader.startAsync(new BlimpLibraryLoader.Callback() {
-                        @Override
-                        public void onStartupComplete(boolean success) {
-                            mSuccess = success;
-                            mNativeReadySemaphore.release();
-                        }
-                    });
-                } catch (ProcessInitException e) {
-                    throw new RuntimeException("Failed to initialize process.");
-                }
-            }
-        });
-    }
-
-    /**
-     * Blocks until the native library startup is complete. If the startup dit not complete
-     * successfully, this method throws a RuntimeException, otherwise it does nothing.
-     * This method should be called in the start of any test method that requires native to be
-     * successfully loaded.
-     */
-    protected final void waitUntilNativeIsReady() throws InterruptedException {
-        mNativeReadySemaphore.acquire();
-        if (!mSuccess) throw new RuntimeException("Native startup failed");
-    }
-}