libutils: refbase: jellybean mr1 compat

Change-Id: Ideee0c3814a17b47f70fd612d27067fe19ae698d
Merge "libutils: refbase: jellybean mr1 compat" into cm-10.2
Merge branch 'cm-10.2' of git://github.com/CyanogenMod/android_frameworks_native into jb-mr2