FP5: Use content detection for refresh rate
- Issues: e/devices/backlog#855
- Steps to reproduce:
- Compiled a local build with v1-t-855devices_FP5-bootanim branch
- Flash the build and reset the device
- Enable developer options and note default refresh rate shows up as "90Hz"
- Reboot the device and note no artifacts on boot animation
- Repeat step 4 2-3 times and still no artifact