-36b886, add CVI_SYS_IsInit & CVI_VB_IsInit api. -f57fbd, comm_pool_cnt = 0 allowed when CVI_VB_SetConfig. -512cf1, Fix sys flush cache op. -b0f503, CVI_VENC_RequestIDR, use instant parameter as reset gop flag. -40441e, add gridinfo framework. Change-Id: Ia4c85f52d57d02409cc893ac492194102c63341e