Add the expected and actual frame duration to the SF jank data.

Adds the expected and actual frame duration, that is the frame durations
as shown in the frame timeline in Perfetto, to the jank data exposed by
SurfaceFlinger.

Bug: b/354763298
Test: libsurfaceflinger_unittest manual
Flag: com.android.internal.jank.use_sf_frame_duration
Change-Id: I43035a15592985c91891c033c667314ec6e15430