Update 2 fields when fixed to user rotation changed

Orientation and orientation requesting TDA are affected by its value, so
we need to make sure they are updated when the value changed.

Bug: 180745199
Test: Updating fixed-to-user-rotation triggers display rotation when
necessary.
Test: atest DisplayContentTests
Test: atest ActivityRecordTests#testReportOrientationChange on cf

Change-Id: I7b0ecac9337e50ff78b3b41eba3c3342e64c04af