Revert of Provides multiple implementations of Android's SkBitmapRegionDecoder (patchset #16 id:360001 of https://codereview.chromium.org/1288963002/ )

Reason for revert:
Breaking Android bots
Bad use of the utils folder

Original issue's description:
> Provides various implementations of Android's SkBitmapRegionDecoder.
>
> Implements testing in DM for these implementations.
>
> nanobench testing will follow after this.
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/76f755e6d54a32f9887ad254ce59a3a62f28bde4

TBR=scroggo@google.com,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1322773004
11 files changed