Fix the missing ucadata.icu when generating icudt42l-zh.dat.
Collation uca table is moved from data(locale data root) to data/coll in
ICU4.2.1.  icudt42l-zh.dat is a new data file added from the merge of master
branch and upstream-merge branch.

  Bug: 1823720
  Reviewed-by: enh@google.com
  CC:
  Signed-off-by:
diff --git a/stubdata/cfg-zh/icudt42l.txt b/stubdata/cfg-zh/icudt42l.txt
index e664ef3..5897a9b 100644
--- a/stubdata/cfg-zh/icudt42l.txt
+++ b/stubdata/cfg-zh/icudt42l.txt
@@ -200,7 +200,7 @@
 res_index.res
 root.res
 supplementalData.res
-ucadata.icu
+coll/ucadata.icu
 zoneinfo.res
 numberingSystems.res
 plurals.res
diff --git a/stubdata/icudt42l-zh.dat b/stubdata/icudt42l-zh.dat
index 4eb44dc..e1c3766 100644
--- a/stubdata/icudt42l-zh.dat
+++ b/stubdata/icudt42l-zh.dat
Binary files differ
diff --git a/stubdata/icudt42l.dat b/stubdata/icudt42l.dat
deleted file mode 100644
index 4eb44dc..0000000
--- a/stubdata/icudt42l.dat
+++ /dev/null
Binary files differ