libgui: fix test after compatibility patches

Change-Id: Iae7333f025bb0271f008e4cc0356cf704800f1b7
exynos4: getphys implementation on buffermanager for samsung omx

Change-Id: Iee665f56aaf601479d796703db983ca5fce9c5c3
ui: exynos4: getphys is common

Change-Id: I1dc9c2ced0700072e7c30c8435676873b10c7026