Move it from GEN_EXAMPLES to UTILS list.
Change-Id: I7ebd51b18a9cb58e3008ca3d7576589400b365ce
vp8cx_set_ref.DESCRIPTION = VP8 set encoder reference frame
# C file is provided, not generated automatically.
-GEN_EXAMPLES-$(CONFIG_MULTI_RES_ENCODING) += vp8_multi_resolution_encoder.c
+UTILS-$(CONFIG_MULTI_RES_ENCODING) += vp8_multi_resolution_encoder.c
vp8_multi_resolution_encoder.SRCS \
+= third_party/libyuv/include/libyuv/basic_types.h \
third_party/libyuv/include/libyuv/cpu_id.h \