Adds Hans-Hant transliterators and drops el-Upper from ICU data.

Size increase for affected data files is as follows:
 android/icudtl.dat   6573776 ->  6610128 bytes
 common/icudtb.dat   10130464 -> 10166816 bytes
 common/icudtl.dat   10130464 -> 10166816 bytes

This CL supercedes CL 2328013002.

CL by riesa@chromium.org.

BUG=684609
R=jshin@chromium.org

Review-Url: https://codereview.chromium.org/2652023002 .
8 files changed