Align iso-2022-jp encoder with spec
Align iso-2022-jp encoder with spec

arv/text-encoding-utf-8,otoense/text-encoding,arv/text-encoding-utf-8,coolaj86/TextEncoderLite,auvik/text-encoding,foolin/text-encoding,coolaj86/TextEncoderLite,paddymahoney/text-encoding,eugenpodaru/text-encoding,foolin/text-encoding,eugenpodaru/text-encoding,auvik/text-encoding,otoense/text-encoding,rschuchart/TextEncoderLiteModule,paddymahoney/text-encoding,rschuchart/TextEncoderLiteModule