Merge "Add visibilities to VCN libs" into main am: c4ddd4edd9

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3371802

Change-Id: I44c4d1627f31f91fa74d1c9850d3228b8581c4f4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>