Android patch: convrtrs.txt: CJK customizations.

This change was introduced in Android by these patches:

https://android.googlesource.com/platform/external/icu/+/861020f
https://android.googlesource.com/platform/external/icu/+/037e0a4

(cherry picked from commit f2f318493f4928b93726d0d9ae791e0a9b7b452b)

Test: n/a
Change-Id: I046e78974a0558f82665fb1cb59668005c41609d
1 file changed