Update lottie samples

I edited some of the samples that had only white things to have
some color so we can see them in gold.  Those now have the
suffix _edit.

Additionally, I removed one that required a bundled image that we
don't have (WeAccept.json)

NOTRY: true
Bug: skia:
Change-Id: Ie5104315f5ebf19f9c5f7f2b7a58454d8def2737
Reviewed-on: https://skia-review.googlesource.com/156182
Reviewed-by: Florin Malita <fmalita@chromium.org>
1 file changed