Customize Max Screen Timeout

Make it possible to customize the maximum screen timeout.
Added a configurable max timeout value which, if provided, will
limit the predefined timeout values.
Leverage code from aosp.

Flag: EXEMPT bugfix
Bug: 309512299
Test: atest ScreenTimeoutSettingsTest
Change-Id: Ibb180c89489fe890f1929bdefd5ced87a9566f07