diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 985a445..dae4f3b 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -25,6 +25,7 @@
 import android.graphics.Point;
 import android.graphics.PointF;
 import android.graphics.Rect;
+import android.util.Log;
 import android.view.Surface;
 import android.view.WindowInsets;
 import android.view.WindowManager;
@@ -35,6 +36,7 @@
 import com.android.launcher3.graphics.IconShape;
 import com.android.launcher3.icons.DotRenderer;
 import com.android.launcher3.icons.IconNormalizer;
+import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.Info;
 import com.android.launcher3.util.WindowBounds;
@@ -973,6 +975,10 @@
             mInfo = info;
             mTransposeLayoutWithOrientation = context.getResources()
                     .getBoolean(R.bool.hotseat_transpose_layout_with_orientation);
+            if (TestProtocol.sDebugTracing) {
+                Log.d(TestProtocol.LAUNCHER_NOT_TRANSPOSED,
+                        "transposeLayout=" + mTransposeLayoutWithOrientation);
+            }
         }
 
         public Builder setSizeRange(Point minSize, Point maxSize) {
@@ -985,6 +991,10 @@
             mWidth = width;
             mHeight = height;
             mIsLandscape = mWidth > mHeight;
+            if (TestProtocol.sDebugTracing) {
+                Log.d(TestProtocol.LAUNCHER_NOT_TRANSPOSED,
+                        "isLandscape=" + mIsLandscape + " w=" + mWidth + " h=" + mHeight);
+            }
             return this;
         }
 
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index f198777..a863e6b 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -48,6 +48,7 @@
 import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.graphics.IconShape;
+import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.ConfigMonitor;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.Info;
@@ -338,6 +339,10 @@
         DeviceProfile.Builder builder = new DeviceProfile.Builder(context, this, displayInfo)
                 .setSizeRange(new Point(displayInfo.smallestSize),
                         new Point(displayInfo.largestSize));
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_NOT_TRANSPOSED,
+                    "largeSide=" + largeSide + " smallSide=" + smallSide);
+        }
 
         landscapeProfile = builder.setSize(largeSide, smallSide).build();
         portraitProfile = builder.setSize(smallSide, largeSide).build();
@@ -571,6 +576,10 @@
     }
 
     public DeviceProfile getDeviceProfile(Context context) {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_NOT_TRANSPOSED, "getDeviceProfile: orientation="
+                    + context.getResources().getConfiguration().orientation, new Throwable());
+        }
         return context.getResources().getConfiguration().orientation
                 == Configuration.ORIENTATION_LANDSCAPE ? landscapeProfile : portraitProfile;
     }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 3236f5d..30dd548 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -566,7 +566,9 @@
     }
 
     private void onIdpChanged(InvariantDeviceProfile idp) {
-
+        if (TestProtocol.sDebugTracing) {
+            Log.d(TestProtocol.LAUNCHER_NOT_TRANSPOSED, "onIdpChanged", new Throwable());
+        }
         initDeviceProfile(idp);
         dispatchDeviceProfileChanged();
         reapplyUi();
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 18f1df1..3296ea5 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -109,6 +109,7 @@
     public static final String REQUEST_MOCK_SENSOR_ROTATION = "mock-sensor-rotation";
 
     public static final String PERMANENT_DIAG_TAG = "TaplTarget";
+    public static final String LAUNCHER_NOT_TRANSPOSED = "b/185820525";
     public static final String NO_SWIPE_TO_HOME = "b/158017601";
     public static final String WORK_PROFILE_REMOVED = "b/159671700";
     public static final String TIS_NO_EVENTS = "b/180915942";