RV always ignored. Have functions return void
RV always ignored. Have functions return void

Change-Id: I9f0e5ea6ef470c191c6399505b31d96e37e6b91b
Signed-off-by: Lu, Hongjiu <5a172868be1908e8987d1c48c787a223b3ae3673@intel.com>
Signed-off-by: Bruce Beare <448ea227ff159b02bb6e88c54601b853f009c918@intel.com>

geekboxzone/mmallow_hardware_intel_common_libva,DirtyUnicorns/android_hardware_intel_common_libva,CyanogenMod/android_hardware_intel_common_libva,geekboxzone/mmallow_hardware_intel_common_libva,geekboxzone/mmallow_hardware_intel_common_libva,DirtyUnicorns/android_hardware_intel_common_libva,DirtyUnicorns/android_hardware_intel_common_libva,CyanogenMod/android_hardware_intel_common_libva,CM-zenfone2/android_hardware_intel_common_libva,CyanogenMod/android_hardware_intel_common_libva,OneRom/hardware_intel_common_libva,SlimRoms/hardware_intel_common_libva,CM-zenfone2/android_hardware_intel_common_libva,OneRom/hardware_intel_common_libva,OneRom/hardware_intel_common_libva,SlimRoms/hardware_intel_common_libva,SlimRoms/hardware_intel_common_libva,CM-zenfone2/android_hardware_intel_common_libva