Add support for booting up with default non-atomic mode
Add libdrmutils that currently has:
DRMMaster:
Creates a master DRM session
Converts ION handles to DRM FB_ID
DRMResMgr:
Enables a default display path by providing APIs for
connector id, crtc id, mode etc
Change-Id: I1dc697d2cc5e3fa744c99e2c9ddd57bf06e78c4f
CRs-fixed: 1114808