fiddler - Fix Dockerfile for continuous deployment.
fiddler - Fix Dockerfile for continuous deployment.

Bug: skia:
Change-Id: I903680ddbd419c6c02ecbb7d336be39df80c43d3
Reviewed-on: https://skia-review.googlesource.com/137198
Reviewed-by: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>

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