Update getSupportedRefreshRates api

Un-deprecated getSupportedRefreshRates
Framework supports more render rates than display modes
using the features such as frame rate override. resurfacing the
api inorder to support all the render rates in the framework.

Test: atest android.display.cts.DisplayTest
BUG: 365163968
Flag: com.android.server.display.feature.flags.enable_get_supported_refresh_rates

Change-Id: I54750c5f5aeb67e086c7052698c2fd745574b32f