[automerger skipped] DnsResolver/DnsTlsSocket - fixes bugprone-unused-return-value warning am: c4f506d7 am: 1b982da8 am: ca324896 am: fa01ee0d -s ours

am skip reason: Change-Id I683d13024ae70ff75d1e6d3c78c23a73ab9bc301 with SHA-1 c4f506d7 is in history

Change-Id: I0b4c3772098d35a253d44281dc7ace3fa8cde61d