libutils: refbase: jellybean mr1 compat

Change-Id: Ideee0c3814a17b47f70fd612d27067fe19ae698d
sf: Fix DISPLAY_VIRTUAL ifdef

Change-Id: I3a0711c68532a0db5c2449652e49bff341511670
Merge "libutils: refbase: jellybean mr1 compat" into cm-10.2