ui: Make "f" slice focusing work for instant events
ui: Make "f" slice focusing work for instant events

Bug: 174655360
Change-Id: I2165f7c8d082ed652e6f54bb1b1cc69455170664
google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto