Merge "Add soong config variable Release_expose_flagged_api" into main am:...

Merge "Add soong config variable Release_expose_flagged_api" into main am: 19cd806d am: 3163daa6 am: 7ca3a3b2 am: 8050a671

Original change: https://android-review.googlesource.com/c/platform/build/+/2763272



Change-Id: I3cfb34a117fae63f3ff53551d888952b9c00bae4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>