Camera: Keep sensor orientation consistent with device fold state

Allow foldable devices to advertise the mapping between device fold
state and sensor orientation.
Additionally return the current  sensor orientation
based on the specific device fold state.

Bug: 201005727
Test: Manual using AOSP Camera2 application,
Camera CTS

Change-Id: Idc76903da22567d29cc55d991b41df7e19490aa3