Revert "Hide new API from ICU 62"

This reverts commit 0231f94324e15a0ee352fbd3f3d898a4e0b89be7.

Bug: 109930825
Test: tools/srcgen/generate_android_icu4j.sh
Change-Id: I456b7e31089a633a6364dbe8b20de8f3672dcb2d
1 file changed