SF: choose the lowest >= 60 frame rate when all voters vote for Min

This allow ARR devices to use 60fps frame rates on scenarios like
live wallpaper and match the behavior to the one MRR devices would have
where we select the lowest fps display mode.

Bug: 441896528
Test: presubmit
Test: [manual] observe frame rate is 60 on live wallpaper for ARR device
Flag: com.android.graphics.surfaceflinger.flags.use_at_least_60_for_min_vote
Change-Id: I26296556e7da998ef2d9088fac886b1318619358