Add a struct member to allow GPU DCVS daemon to configure the number of samples collected at runtime. This increases the responsiveness of the daemon in low fps use cases. Change-Id: Ibbf17c8a81c9bd819d96c16af2f17bc60c999df9 Signed-off-by: Lynus Vaz <lvaz@codeaurora.org> (cherry picked from commit fdecd1e91f9b211011a6610199219523e5794c68) Conflicts: arch/arm/mach-msm/idle_stats_device.c