Instrument the latency of fps unlock to home

This change includes both UDFPS and SFPS instrument.

Flag: None
Bug: 297856667
Test: Check logs and traces in b/297856667#comment3
Test: atest SystemUITests
Test: abtd with platinum, update result in the bug
Change-Id: I293b8692cb18dc2951c73dc0ec4eded1658841cf