Revert "logd: remove start filtration from flushTo"

Regressed by introducing too much overlap in the results.

This reverts commit 982ad208b5e4d83f966ee4c10ad4f606417bcda6.

Bug: 38341453
Change-Id: I9d630a6b9f3e464f523424b640090f7e268da9bd
1 file changed