Reland "Reland "Small changes for SkText that are not in experimental directory""

This reverts commit b51994990bb4cded2da9efac353d15fc851bf159.

Reason for revert: Fixed the test

Original change's description:
> Revert "Reland "Small changes for SkText that are not in experimental directory""
>
> This reverts commit ce32c8a074cc0b1a081e0104e3b0b050810eb49a.
>
> Reason for revert: Skottie test is broken
>
> Original change's description:
> > Reland "Small changes for SkText that are not in experimental directory"
> >
> > This reverts commit 481a58dfe0eddd6736885b324d3cf14f5c10addb.
> >
> > Reason for revert: Fixing the build
> >
> > Original change's description:
> > > Revert "Small changes for SkText that are not in experimental directory"
> > >
> > > This reverts commit 92f1bc0083bf2fa1d7eca2857c0d837a8dcf1f17.
> > >
> > > Reason for revert: Blocking Android roll.
> > >
> > > Original change's description:
> > > > Small changes for SkText that are not in experimental directory
> > > >
> > > > (also made utf 8<->16 conversion static on SkUnicode)
> > > >
> > > > Change-Id: Ie64d18ad21a35ec10bd0b350fb7887fb78a419d8
> > > > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/448140
> > > > Reviewed-by: Mike Reed <reed@google.com>
> > > > Commit-Queue: Julia Lavrova <jlavrova@google.com>
> > >
> > > Change-Id: Ieb9eb0495dddfc0f9e9e74861b24efc0201fd520
> > > No-Presubmit: true
> > > No-Tree-Checks: true
> > > No-Try: true
> > > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/448656
> > > Auto-Submit: Brian Osman <brianosman@google.com>
> > > Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> > > Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> >
> > Change-Id: I1e5859c9dd943c701d4c4e648bdc3e44412eca54
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/448676
> > Reviewed-by: Brian Osman <brianosman@google.com>
> > Commit-Queue: Julia Lavrova <jlavrova@google.com>
>
> Change-Id: Ib8e5ec05a5555f34106a0ee61878a8199b82bb82
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/448897
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Reviewed-by: Florin Malita <fmalita@google.com>
> Commit-Queue: Julia Lavrova <jlavrova@google.com>

Change-Id: I3bc103c0e1c495342a6673e80765b5f26862e8dc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/448898
Reviewed-by: Florin Malita <fmalita@google.com>
Commit-Queue: Julia Lavrova <jlavrova@google.com>
6 files changed