Fix SENSOR_LANDSCAPE and SENSOR_PORTRAIT (DO NOT MERGE)

Fixed a bug in the handling of SENSOR_LANDSCAPE and SENSOR_PORTAIT
on devices that have a natural landscape orientation.  The old code
was disabling 180 degree orientation detection when it shouldn't have.

Bug: 3381359
Change-Id: I19bd2519e7f69a24835840fbf542aa7349981029
1 file changed