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/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index bf1c3f7..07ba517 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -108,6 +108,8 @@
 import static com.android.server.wm.proto.DisplayProto.ID;
 import static com.android.server.wm.proto.DisplayProto.IME_WINDOWS;
 import static com.android.server.wm.proto.DisplayProto.PINNED_STACK_CONTROLLER;
+import static com.android.server.wm.proto.DisplayProto.ROTATION;
+import static com.android.server.wm.proto.DisplayProto.SCREEN_ROTATION_ANIMATION;
 import static com.android.server.wm.proto.DisplayProto.STACKS;
 
 import android.annotation.NonNull;
@@ -2139,6 +2141,12 @@
         }
         proto.write(DPI, mBaseDisplayDensity);
         mDisplayInfo.writeToProto(proto, DISPLAY_INFO);
+        proto.write(ROTATION, mRotation);
+        final ScreenRotationAnimation screenRotationAnimation =
+                mService.mAnimator.getScreenRotationAnimationLocked(mDisplayId);
+        if (screenRotationAnimation != null) {
+            screenRotationAnimation.writeToProto(proto, SCREEN_ROTATION_ANIMATION);
+        }
         proto.end(token);
     }