Merge "Revert "aconfig: @hide generated Java code"" into main am: 4afc5d7b

Original change: https://android-review.googlesource.com/c/platform/build/+/2745642



Change-Id: Ib64656b57b1d7118a4718c41f46857b9c694db33
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>