Move BaseGvrPlayerActivity to com.google.android.exoplayer2.ext.gvr

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=219829614

extensions/gvr/src/main/java/com/google/android/exoplayer2/ui/spherical/BaseGvrPlayerActivity.java → extensions/gvr/src/main/java/com/google/android/exoplayer2/ext/gvr/BaseGvrPlayerActivity.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.google.android.exoplayer2.ui.spherical;
+package com.google.android.exoplayer2.ext.gvr;
 
 import android.content.Context;
 import android.content.Intent;
@@ -32,8 +32,10 @@ import android.view.MotionEvent;
 import android.view.Surface;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Player;
-import com.google.android.exoplayer2.ext.gvr.R;
 import com.google.android.exoplayer2.ui.PlayerControlView;
+import com.google.android.exoplayer2.ui.spherical.GlViewGroup;
+import com.google.android.exoplayer2.ui.spherical.PointerRenderer;
+import com.google.android.exoplayer2.ui.spherical.SceneRenderer;
 import com.google.android.exoplayer2.util.Assertions;
 import com.google.android.exoplayer2.util.Util;
 import com.google.vr.ndk.base.DaydreamApi;

library/ui/src/main/java/com/google/android/exoplayer2/ui/spherical/CanvasRenderer.java

@@ -40,7 +40,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
  * GL thread before it can be rendered.
  */
 @TargetApi(15)
-/* package */ final class CanvasRenderer {
+public final class CanvasRenderer {
 
   private static final float WIDTH_UNIT = 0.8f;
   private static final float DISTANCE_UNIT = 1f;
@@ -156,7 +156,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   }
 
   /** Finishes constructing this object on the GL Thread. */
-  /* package */ void init() {
+  public void init() {
     if (program != 0) {
       return;
     }
@@ -183,7 +183,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
    * @param viewProjectionMatrix Array of floats containing the quad's 4x4 perspective matrix in the
    *     {@link android.opengl.Matrix} format.
    */
-  /* package */ void draw(float[] viewProjectionMatrix) {
+  public void draw(float[] viewProjectionMatrix) {
     if (displaySurfaceTexture == null) {
       return;
     }
@@ -237,7 +237,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   }
 
   /** Frees GL resources. */
-  /* package */ void shutdown() {
+  public void shutdown() {
     if (program != 0) {
       GLES20.glDeleteProgram(program);
       GLES20.glDeleteTextures(1, new int[] {textureId}, 0);

library/ui/src/main/java/com/google/android/exoplayer2/ui/spherical/GlViewGroup.java

@@ -31,7 +31,7 @@ import android.widget.FrameLayout;
 import com.google.android.exoplayer2.util.Assertions;
 
 /** This View uses standard Android APIs to render its child Views to a texture. */
-/* package */ final class GlViewGroup extends FrameLayout {
+public final class GlViewGroup extends FrameLayout {
 
   private final CanvasRenderer canvasRenderer;
 

library/ui/src/main/java/com/google/android/exoplayer2/ui/spherical/PointerRenderer.java

@@ -24,7 +24,7 @@ import com.google.android.exoplayer2.util.GlUtil;
 import java.nio.FloatBuffer;
 
 /** Renders a pointer. */
-/* package */ final class PointerRenderer {
+public final class PointerRenderer {
   // The pointer quad is 2 * SIZE units.
   private static final float SIZE = .01f;
   private static final float DISTANCE = 1;

library/ui/src/main/java/com/google/android/exoplayer2/ui/spherical/SceneRenderer.java

@@ -36,8 +36,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
 /** Renders a GL Scene. */
-/* package */ final class SceneRenderer
-    implements VideoFrameMetadataListener, CameraMotionListener {
+public final class SceneRenderer implements VideoFrameMetadataListener, CameraMotionListener {
 
   private final AtomicBoolean frameAvailable;
   private final AtomicBoolean resetRotationAtNextFrame;