Android patch: CLDR data: Add data for the XA/XB pseudo locales.

This CL adds pseudo locales used in some tests and excludes them from
com.ibm.icu.dev.test.format.DateTimeGeneratorTest#testJjMapping because
they are not real locales.

https://android.googlesource.com/platform/external/icu/+/338b5d35fdb86a9c4cb0ed59a67416693a0fe1e4

Test: n/a
Change-Id: Ic30465f42c0936fa6e8839f633e6f2e8767632ce
2 files changed