[VCN15] expose addUnwantedCapability and related APIs

Test: m -j doc-comment-check-docs
Bug: 175662146
Merged-In: I3f2e6a99e015f09cc4405f6804eac4ae33e3dcc7
Change-Id: I3f2e6a99e015f09cc4405f6804eac4ae33e3dcc7
  (cherry-picked from ag/13929102)
4 files changed