Camera: Allow dynamic sensor orientation updates

Camera characteristics are usually expected to remain
static. However certain devices such as foldables may need
to be able to update specific values in response to various
events which could include device state changes.
Enable camera clients to query such metadata updates and receive
updated sensor orientation values.

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

Change-Id: I9c191879b690929984a2945f744dd8407290cf99