[fiddlecli] - Include decoding the JSON response in the retry logic.
[fiddlecli] - Include decoding the JSON response in the retry logic.

Bug: skia:
Change-Id: I65b7ca8e2ebf275fe2932e390c0f7dcadb5c705e
Reviewed-on: https://skia-review.googlesource.com/137396
Reviewed-by: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>
Commit-Queue: 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