This change is to enable frame buffers lock between multiple processes through genlock. Genlock is a in-kernel API and optional userspace interface for a generic cross-process locking mechanism. Change-Id: If07f024092caee4a257cd70d79799f4231a2cf46 Signed-off-by: Alex Wong <waiw@codeaurora.org> Signed-off-by: Carter Cooper <ccooper@codeaurora.org>