Camera: revert CodeAurora's panorama angle handling

I'm not sure what the code is trying to fix, but break landscape
devices' panorama display

Ported from cm-10.2

Change-Id: Ifa922b043f578353b778065e2123005a57185dfd
Camera: fix preview for landscape devices

Landscape devices have broken preview because PORTRAIT mode is
being abused to check for screen rotation. Use proper rotation
check to fix.

Ported from cm-10.2

Change-Id: I75588cbce9843e180e4be7591f6a43bcec788506
Merge "Camera: revert CodeAurora's panorama angle handling" into cm-11.0
Merge branch 'cm-11.0' into martincz