Synthetic modes rework

Fixes issue with 60Hz syshtnetic ARR mode replacing real mode and causing
issue that sometimes selected mode is not present in available modes.
This is done by introducing flags and setting FLAG_ARR_RENDER_RATE
for <60Hz ARR modes, that later used by DisplayModeDirector to vote for RenderRate
rathe than BaseModeRefreshRate

New Mode properties flags and parentModeId will be also used in future
for resolution override and anisotropic correced synthetic modes.

Bug: 428843411
Test: atest DisplayTest
Flag: com.android.server.display.feature.flags.enable_synthetic_modes_v2
Change-Id: I66d8d557616cec921393490b4934de10cf4a7723