Merge "convert hidden visibility flag to feature" am: aea50670 am: dfe515bd am: 2a2a1736

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2538450



Change-Id: I25689102e2934587719906dcead53a4e27869305
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>