Revert "Fix a bug in TouchInteractionService for fixed-display input rotation"

This reverts commit 04fb7ee44c.

Reason for revert: This wasn't the right fix.

Bug: 179274888
Change-Id: Ic9aaf2b43252533837206cc82ac5fd1f2d7297f8

quickstep/src/com/android/quickstep/TouchInteractionService.java

@@ -496,13 +496,6 @@ public class TouchInteractionService extends Service implements PluginListener<O
             Point sz = new Point();
             display.getRealSize(sz);
             if (rotation != Surface.ROTATION_0) {
-                if ((rotation % 2) != 0) {
-                    // via display-manager, the display size is unrotated, so "rotate" its size
-                    // to match the rotation we are transforming the event into.
-                    final int tmpX = sz.x;
-                    sz.x = sz.y;
-                    sz.y = tmpX;
-                }
                 event.transform(InputChannelCompat.createRotationMatrix(rotation, sz.x, sz.y));
             }
         }