Revert "ICU API: only in SkParagraph, simplified (relanding reverted)."

This reverts commit 7479eda3b6d2884c089b62d9fc489574716ab3b7.

Reason for revert: Breaking build

Original change's description:
> ICU API: only in SkParagraph, simplified (relanding reverted).
> 
> Reverted commit: https://skia-review.googlesource.com/c/skia/+/296128/
> 
> Change-Id: Iaf793bff94a6060579c7d6176d477e598c047be6
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/303261
> Reviewed-by: Mike Reed <reed@google.com>
> Commit-Queue: Julia Lavrova <jlavrova@google.com>

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

Change-Id: Idd4c41e22aa59e24bdbd07f2fa5e9258c1bbb7a7
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/303358
Reviewed-by: Julia Lavrova <jlavrova@google.com>
Commit-Queue: Julia Lavrova <jlavrova@google.com>
14 files changed