Revert of Add samples to Viewer. (patchset #4 id:60001 of https://codereview.chromium.org/2056343004/ )

Reason for revert:
breaking on android compile

Original issue's description:
> Add samples to Viewer.
>
> This adds support with animation, assuming the sample has
> implemented onAnimate. Event handling has not been
> implemented.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2056343004
>
> Committed: https://skia.googlesource.com/skia/+/76963e73704a42a18c29d6fbdcccb566e5c67658

TBR=bsalomon@google.com,jvanverth@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review-Url: https://codereview.chromium.org/2063883002
10 files changed