simpleperf: fix using vmlinux in the inject cmd.

When a kernel dso is created using Dso::CreateDsoWithBuildId(),
it can't use debug file. Because the has_debug_file_ field isn't
set properly. Fix it by removing the field.

Bug: 241523910
Test: run simpleperf_unit_test
Change-Id: I9ae08acff075b42e60e29ebe15cedcaed2f618dd
2 files changed