RELNOTES: Drops the directionality when using unchecked conversions to SafeHtml in linkifyPlainTextAsHtml. This is a no-op as the source SafeHtml is created with `htmlEscape` and always has a `null` directionality.
RELNOTES: Drops the directionality when using unchecked conversions to SafeHtml in linkifyPlainTextAsHtml.
This is a no-op as the source SafeHtml is created with `htmlEscape` and always has a `null` directionality.

PiperOrigin-RevId: 439264968
Change-Id: I0709fc6882e588a0ee0aa1def34fd12d6da1009d

google/closure-library,google/closure-library,google/closure-library,google/closure-library,google/closure-library