Do not copy expectations file to itself.
Do not copy expectations file to itself.

r10969 had to be reverted because it was failing on Windows, Linux,
and Mac (but was succeeding on Android). Only call PushFileToDevice
when there is an actual device to push to.

R=epoger@google.com

Review URL: https://codereview.chromium.org/23495007

git-svn-id: 32fc27f4dcfb6c0385cd9719852b95fe6680452d@10986 2bbb7eff-a529-9590-31e7-b0007b416f81

Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,Tiger66639/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot