Remove TODO comment about horizontal scrolling
Remove TODO comment about horizontal scrolling

This CL removes the TODO comment about horizontal scrolling support in
the Query Result panel of the timeline view, which was already
implemented in https://r.android.com/1998112 .

Bug: 220141069
Change-Id: I0a16ebdff4700b6d995bc5296dc4d18e4784d668

google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto