Make StubExoPlayer take a context in constructor.

This is a pre-requisite step for merging SimpleExoPlayer into
ExoPlayer, because when StubExoPlayer extends ExoPlayer, it needs
a matching constructor.

PiperOrigin-RevId: 397065374

extensions/ima/src/test/java/com/google/android/exoplayer2/ext/ima/FakePlayer.java

@@ -15,6 +15,7 @@
  */
 package com.google.android.exoplayer2.ext.ima;
 
+import android.content.Context;
 import android.os.Looper;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.MediaItem;
@@ -45,7 +46,8 @@ import com.google.android.exoplayer2.util.ListenerSet;
   private int adGroupIndex;
   private int adIndexInAdGroup;
 
-  public FakePlayer() {
+  public FakePlayer(Context context) {
+    super(context);
     listeners =
         new ListenerSet<>(
             Looper.getMainLooper(),

extensions/ima/src/test/java/com/google/android/exoplayer2/ext/ima/ImaAdsLoaderTest.java

@@ -145,7 +145,7 @@ public final class ImaAdsLoaderTest {
   @Before
   public void setUp() {
     setupMocks();
-    fakePlayer = new FakePlayer();
+    fakePlayer = new FakePlayer(getApplicationContext());
     adViewGroup = new FrameLayout(getApplicationContext());
     View adOverlayView = new View(getApplicationContext());
     adViewProvider =

library/common/src/test/java/com/google/android/exoplayer2/ForwardingPlayerTest.java

@@ -24,6 +24,8 @@ import static org.mockito.ArgumentMatchers.same;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
+import android.content.Context;
+import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import com.google.android.exoplayer2.testutil.StubExoPlayer;
 import com.google.android.exoplayer2.util.FlagSet;
@@ -46,7 +48,7 @@ public class ForwardingPlayerTest {
 
   @Test
   public void addListener_addsForwardingListener() {
-    FakePlayer player = new FakePlayer();
+    FakePlayer player = new FakePlayer(ApplicationProvider.getApplicationContext());
     Player.Listener listener1 = mock(Player.Listener.class);
     Player.Listener listener2 = mock(Player.Listener.class);
 
@@ -62,7 +64,7 @@ public class ForwardingPlayerTest {
   @Test
   @SuppressWarnings("deprecation") // Testing backwards compatibility with deprecated method.
   public void addEventListener_addsForwardingListener() {
-    FakePlayer player = new FakePlayer();
+    FakePlayer player = new FakePlayer(ApplicationProvider.getApplicationContext());
     Player.EventListener listener1 = mock(Player.EventListener.class);
     Player.EventListener listener2 = mock(Player.EventListener.class);
 
@@ -77,7 +79,7 @@ public class ForwardingPlayerTest {
 
   @Test
   public void removeListener_removesForwardingListener() {
-    FakePlayer player = new FakePlayer();
+    FakePlayer player = new FakePlayer(ApplicationProvider.getApplicationContext());
     Player.Listener listener1 = mock(Player.Listener.class);
     Player.Listener listener2 = mock(Player.Listener.class);
     ForwardingPlayer forwardingPlayer = new ForwardingPlayer(player);
@@ -96,7 +98,7 @@ public class ForwardingPlayerTest {
   @Test
   @SuppressWarnings("deprecation") // Testing backwards compatibility with deprecated method.
   public void removeEventListener_removesForwardingListener() {
-    FakePlayer player = new FakePlayer();
+    FakePlayer player = new FakePlayer(ApplicationProvider.getApplicationContext());
     Player.EventListener listener1 = mock(Player.EventListener.class);
     Player.EventListener listener2 = mock(Player.EventListener.class);
     ForwardingPlayer forwardingPlayer = new ForwardingPlayer(player);
@@ -114,7 +116,7 @@ public class ForwardingPlayerTest {
 
   @Test
   public void onEvents_passesForwardingPlayerAsArgument() {
-    FakePlayer player = new FakePlayer();
+    FakePlayer player = new FakePlayer(ApplicationProvider.getApplicationContext());
     Player.Listener listener = mock(Player.Listener.class);
     ForwardingPlayer forwardingPlayer = new ForwardingPlayer(player);
     forwardingPlayer.addListener(listener);
@@ -220,6 +222,10 @@ public class ForwardingPlayerTest {
 
     private final Set<Listener> listeners = new HashSet<>();
 
+    public FakePlayer(Context context) {
+      super(context);
+    }
+
     @Override
     @SuppressWarnings("deprecation") // Implementing deprecated method.
     public void addListener(EventListener listener) {

testutils/src/main/java/com/google/android/exoplayer2/testutil/StubExoPlayer.java

@@ -15,6 +15,7 @@
  */
 package com.google.android.exoplayer2.testutil;
 
+import android.content.Context;
 import android.os.Looper;
 import android.view.Surface;
 import android.view.SurfaceHolder;
@@ -53,6 +54,10 @@ import java.util.List;
  */
 public class StubExoPlayer extends BasePlayer implements ExoPlayer {
 
+  public StubExoPlayer(Context context) {
+    super();
+  }
+
   @Override
   @Deprecated
   public AudioComponent getAudioComponent() {