not just CONFIG_VP8_ENCODER; there's now VP9 code in the same file
Change-Id: I73d8b9141af1374b37480fb0495e17a7952eb4f9
LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += altref_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += config_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += cq_test.cc
-LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += datarate_test.cc
+LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS) += datarate_test.cc
LIBVPX_TEST_SRCS-yes += encode_test_driver.cc
LIBVPX_TEST_SRCS-yes += encode_test_driver.h