Initialize last-orientation to ensure we don't skip loading config.

- This was a regression introduced in ag/2297883

Bug: 62191663
Test: Launch PiP, open settings
Change-Id: I66c28b57361143f2df927776dba5bc58a022bcb4

packages/SystemUI/src/com/android/systemui/pip/tv/PipManager.java

@@ -239,7 +239,11 @@ public class PipManager implements BasePipManager {
             }
         }
 
-        loadConfigurationsAndApply(mContext.getResources().getConfiguration());
+        // Initialize the last orientation and apply the current configuration
+        Configuration initialConfig = mContext.getResources().getConfiguration();
+        mLastOrientation = initialConfig.orientation;
+        loadConfigurationsAndApply(initialConfig);
+
         mMediaSessionManager =
                 (MediaSessionManager) mContext.getSystemService(Context.MEDIA_SESSION_SERVICE);