Preserve directory timestamps with -p.  Allow non-empty read-only directories to be copied.  Apply umask to newly created directories when -p is not specified.
Preserve directory timestamps with -p.  Allow non-empty read-only
directories to be copied.  Apply umask to newly created directories
when -p is not specified.

PR: 27970
PR: 31633

MFC after: 4 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase