Write displayOrientation value when WindowInfo is parceled

The expected displayOrientation value was not being sent to other
processes in WindowInfo because it was not being parceled/unparceled.

Here, we ensure that the displayOrientation value is correctly parceled.

Bug: 179274888
Test: adb shell dumpsys input
Change-Id: Ic3e72a6ec45ffa0bd3a5b407389fccd7a5f036a6