devices: vvu: Disable time-consuming tests on non-native environment
devices: vvu: Disable time-consuming tests on non-native environment

BUG=none
TEST=kokoro

Change-Id: Id1de70e3037c03d0d204793b0015992a8ff15cb9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3451760
Auto-Submit: Keiichi Watanabe <815e4e8f7c92a23424d7c3f51ead622bcedbc720@chromium.org>
Tested-by: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Reviewed-by: Dennis Kempin <cd09796fb571bec2782819dbfd33307f65b1c778@google.com>
Commit-Queue: Dennis Kempin <cd09796fb571bec2782819dbfd33307f65b1c778@google.com>

google/crosvm,google/crosvm,google/crosvm,google/crosvm