Revert "ICU API: only in SkParagraph, simplified."

This reverts commit 8d639e1a424cc6ba85a3ab279289c189d1e574c0.

Reason for revert: Build break

Original change's description:
> ICU API: only in SkParagraph, simplified.
> 
> Change-Id: I4f7fbb233217cb3b7a171c91720c9c2289e28a5f
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/296128
> Commit-Queue: Julia Lavrova <jlavrova@google.com>
> Reviewed-by: Mike Reed <reed@google.com>

TBR=djsollen@google.com,bungeman@google.com,reed@google.com,jlavrova@google.com

Change-Id: If41d7ebaa081837bf2615b24d9035f37cdb76081
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/300712
Reviewed-by: Julia Lavrova <jlavrova@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
14 files changed