Add custom installer for patch PXRM*2.0*28

Patch PXRM*2.0*28 post installation routine will ask a
few post-install questions. Answer them all with "Q" to
get through the installation.

OSEHRA-Id: http://issues.osehra.org/browse/VAF-158
Change-Id: Ibf2c741483710d86a1fb4d22ccdca225f6d74548