Revert "Move JavaInputStreamAdaptor into third_party and add a LICENSE file."

This reverts commit eac2d518bd5f242597d91d81eb60b020ae35dae4.

Reason for revert: google3 roll broke

Original change's description:
> Move JavaInputStreamAdaptor into third_party and add a LICENSE file.
> 
> Change-Id: I723b15fbcf3343559fb5a3fe3015cf3db96e2841
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/294696
> Reviewed-by: Heather Miller <hcm@google.com>
> Commit-Queue: John Stiles <johnstiles@google.com>

TBR=djsollen@google.com,hcm@google.com,johnstiles@google.com

Change-Id: Ia2e23547ad39a0e3d069d9a9807f581b5c73c199
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/294710
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
6 files changed