Merge "Add NET_CAPABILITY_NOT_VCN_MANAGED to ConstantsShim." am: 01cd643028

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/1611753

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Icb9da1bad18c303c22249362cfdf17e58663943f