Merge "Use vndk.private: true for VNDK-private libs" am: cdcfa6178a am: ccc2de42ce

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1537933

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie7640494c93f81cfa9366a526b5767e1f3dc776b