video_VDAPerf - Remove the hack to make tmpdir writable.

This is done by the test framework. We don't need the hack here.

BUG=None
TEST=Run the test on arm device

Change-Id: I36d9df00ed0525754c7b797c3b5be5831c0ed6ff
Reviewed-on: https://chromium-review.googlesource.com/195122
Reviewed-by: Owen Lin <owenlin@chromium.org>
Commit-Queue: Owen Lin <owenlin@chromium.org>
Tested-by: Owen Lin <owenlin@chromium.org>
1 file changed