Add bionic libc's case

bionic doesn't have locale.
https://android.googlesource.com/platform/bionic/+/android-4.2.2_r1.2/libc/README
https://bugs.ruby-lang.org/issues/8338
comment out known bug
Fix ESC + multibyte char decode in Shift_JIS input
Fix ESC + ESC-sequence chars decode in ISO-2022-JP input
Add tests for [nkf-bug:32328]

* commit 32c311f9dcec6ad2c52277fdc87aa2b7eb7e3875
* commit c25eef6a0cb282348fe697fa2881c79efc328e15
Merge branch 'nkf-bug-32328'

nkf fails to decode string which includes ESC.
Merge patches by SATOH Fumiyasu.
http://sourceforge.jp/ticket/browse.php?group_id=248&tid=32328