Add API to register for display property changes

We are adding support for users to subsbribe to refresh rate and display
state changes. In future, this can be extended to more specific
properties if a usecase arise

Bug: 372700957
Test: CTS linked with the topic
Flag: com.android.server.display.feature.flags.display_listener_performance_improvements
Change-Id: Ibe8573eb3ee34d3817b059bb092cb40fbf82239e