Fix Android data for ICU 54.1 (chrome/m50 branch)

The previous commit ( https://codereview.chromium.org/1836993003 )
has misbuilt Android data file/assembly. All the currency data
files were truncated.

BUG=598404
TEST=See comment 1 in the bug

Review URL: https://codereview.chromium.org/1856563002 .
2 files changed