Merge "Move icu related hidden API flag file contents from frameworks/base" am: 8aa97efe28 am: 531568fbf0 am: 0e64cd1319

Original change: https://android-review.googlesource.com/c/platform/packages/modules/RuntimeI18n/+/1676665

Change-Id: I4af8329f9ebd7ff3a9f4eef63d79bc97a72c5b06
tree: f686c70dc4fb0b42bac051e6140caebaac2fdbf3
  1. apex/
  2. PREUPLOAD.cfg