Android patch: Additional character encodings for emoji support.

Adding the following files in source/data/mappings:

README.emoji
docomo-shift_jis-2012.ucm
kddi-jisx-208-2007.ucm
kddi-shift_jis-2012.ucm
softbank-jisx-208-2007.ucm
softbank-shift_jis-2012.ucm

This change was introduced in Android by the ICU51.1 upgrade:

https://android.googlesource.com/platform/external/icu/+/8393335

Change-Id: I41b8f2baf7d665373c3d267608d65aeac66784a4
9 files changed