Add Rotation Information to WindowManager proto dumpsys

Test: adb shell dumpsys window --proto | protoc --decode_raw
Change-Id: I48b14f5cfe409cc1e780b4913ab65bc2f4af3610
diff --git a/services/core/java/com/android/server/wm/ScreenRotationAnimation.java b/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
index 97e9a60..d5b6d24 100644
--- a/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
+++ b/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
@@ -25,12 +25,15 @@
 import static com.android.server.wm.WindowManagerService.TYPE_LAYER_MULTIPLIER;
 import static com.android.server.wm.WindowStateAnimator.WINDOW_FREEZE_LAYER;
 import static com.android.server.wm.WindowSurfaceController.SurfaceTrace;
+import static com.android.server.wm.proto.ScreenRotationAnimationProto.ANIMATION_RUNNING;
+import static com.android.server.wm.proto.ScreenRotationAnimationProto.STARTED;
 
 import android.content.Context;
 import android.graphics.Matrix;
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.util.Slog;
+import android.util.proto.ProtoOutputStream;
 import android.view.Display;
 import android.view.DisplayInfo;
 import android.view.Surface;
@@ -216,6 +219,13 @@
         }
     }
 
+    public void writeToProto(ProtoOutputStream proto, long fieldId) {
+        final long token = proto.start(fieldId);
+        proto.write(STARTED, mStarted);
+        proto.write(ANIMATION_RUNNING, mAnimRunning);
+        proto.end(token);
+    }
+
     public ScreenRotationAnimation(Context context, DisplayContent displayContent,
             SurfaceSession session, boolean inTransaction, boolean forceDefaultOrientation,
             boolean isSecure, WindowManagerService service) {