msm: vidc: Add support to request frame level QP information

The resulting QP information for H264 is the slice level
QP averaged over whole frame; for all other codecs its
frame level QP.

Change-Id: I288904b05d886c1e94fc113b8bd3fba5b13b48f3
Signed-off-by: Jorge Solano Altamirano <jsolano@codeaurora.org>

Conflicts:
	drivers/media/platform/msm/vidc/hfi_packetization.c
	drivers/media/platform/msm/vidc/msm_vdec.c
	drivers/media/platform/msm/vidc/msm_vidc_common.c
	drivers/media/platform/msm/vidc/vidc_hfi.h
	drivers/media/platform/msm/vidc/vidc_hfi_api.h
	include/media/msm_vidc.h