Added notes to APIs about OEM and user overrides.

On API level 35 and higher, OEMs and users can override the Activiy#setRequestedOrientation() API and the screenOrientation, resizeableActivity, minAspectRatio, and maxAspectRatio manifest settings.

Test: Built API documentation.
Bug: 337323089
Flag: DOCS_ONLY
Change-Id: I7e494fd5ba3215f11deae8a89b2c1964f025fd08