Update fullsdk to 4575844

/google/data/ro/projects/android/fetch_artifact \
    --bid 4575844 \
    --target sdk_phone_x86_64-sdk \
    sdk-repo-linux-sources-4575844.zip

Test: TreeHugger
Change-Id: I81e0eb157b4ac3b38408d0ef86f9d6286471f87a

1 files changed, 124 insertions, 0 deletions

diff --git a/android/media/TestUtils.java b/android/media/TestUtils.java
new file mode 100644
index 00000000..9a1fa100
--- /dev/null
+++ b/android/media/TestUtils.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2018 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.media;
+
+import android.content.Context;
+import android.media.session.MediaSessionManager;
+import android.media.session.PlaybackState;
+import android.os.Bundle;
+import android.os.Handler;
+
+import android.os.Looper;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+/**
+ * Utilities for tests.
+ */
+public final class TestUtils {
+    private static final int WAIT_TIME_MS = 1000;
+    private static final int WAIT_SERVICE_TIME_MS = 5000;
+
+    /**
+     * Creates a {@link android.media.session.PlaybackState} with the given state.
+     *
+     * @param state one of the PlaybackState.STATE_xxx.
+     * @return a PlaybackState
+     */
+    public static PlaybackState2 createPlaybackState(int state) {
+        return new PlaybackState2(state, 0, 0, 1.0f,
+                0, 0, null);
+    }
+
+    /**
+     * Finds the session with id in this test package.
+     *
+     * @param context
+     * @param id
+     * @return
+     */
+    // TODO(jaewan): Currently not working.
+    public static SessionToken2 getServiceToken(Context context, String id) {
+        MediaSessionManager manager =
+                (MediaSessionManager) context.getSystemService(Context.MEDIA_SESSION_SERVICE);
+        List<SessionToken2> tokens = manager.getSessionServiceTokens();
+        for (int i = 0; i < tokens.size(); i++) {
+            SessionToken2 token = tokens.get(i);
+            if (context.getPackageName().equals(token.getPackageName())
+                    && id.equals(token.getId())) {
+                return token;
+            }
+        }
+        fail("Failed to find service");
+        return null;
+    }
+
+    /**
+     * Compares contents of two bundles.
+     *
+     * @param a a bundle
+     * @param b another bundle
+     * @return {@code true} if two bundles are the same. {@code false} otherwise. This may be
+     *     incorrect if any bundle contains a bundle.
+     */
+    public static boolean equals(Bundle a, Bundle b) {
+        if (a == b) {
+            return true;
+        }
+        if (a == null || b == null) {
+            return false;
+        }
+        if (!a.keySet().containsAll(b.keySet())
+                || !b.keySet().containsAll(a.keySet())) {
+            return false;
+        }
+        for (String key : a.keySet()) {
+            if (!Objects.equals(a.get(key), b.get(key))) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Handler that always waits until the Runnable finishes.
+     */
+    public static class SyncHandler extends Handler {
+        public SyncHandler(Looper looper) {
+            super(looper);
+        }
+
+        public void postAndSync(Runnable runnable) throws InterruptedException {
+            final CountDownLatch latch = new CountDownLatch(1);
+            if (getLooper() == Looper.myLooper()) {
+                runnable.run();
+            } else {
+                post(()->{
+                    runnable.run();
+                    latch.countDown();
+                });
+                assertTrue(latch.await(WAIT_TIME_MS, TimeUnit.MILLISECONDS));
+            }
+        }
+    }
+}