Add Nvidia enhancements soong flag

Change-Id: I1bec17d2457944350dcb5a22c6d571d3ace913a7
diff --git a/build/soong/soong_config.mk b/build/soong/soong_config.mk
index 0004325..fdc0869 100644
--- a/build/soong/soong_config.mk
+++ b/build/soong/soong_config.mk
@@ -9,6 +9,7 @@
 	echo '    "Specific_camera_parameter_library": "$(TARGET_SPECIFIC_CAMERA_PARAMETER_LIBRARY)",'; \
 	echo '    "Target_shim_libs": "$(subst $(space),:,$(TARGET_LD_SHIM_LIBS))",'; \
 	echo '    "Uses_generic_camera_parameter_library": $(if $(TARGET_SPECIFIC_CAMERA_PARAMETER_LIBRARY),false,true),'; \
+	echo '    "Uses_nvidia_enhancements": $(if $(filter TRUE,$(NV_ANDROID_FRAMEWORK_ENHANCEMENTS)),true,false),'; \
 	echo '    "Uses_qcom_bsp_legacy": $(if $(filter true,$(TARGET_USES_QCOM_BSP_LEGACY)),true,false),'; \
 	echo '    "Uses_qti_camera_device": $(if $(filter true,$(TARGET_USES_QTI_CAMERA_DEVICE)),true,false)'; \
 	echo '},'; \