tests: remove .tmp extension and change location of metric files
tests: remove .tmp extension and change location of metric files

The uploader looks for /ci/perf so put these files in the right place.

Change-Id: Iad3e480cd175589e17fc426e6f1f220e423f976c
google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto