vendor/bliss: Add Nvidia enhancements soong flag

Change-Id: I1bec17d2457944350dcb5a22c6d571d3ace913a7
diff --git a/build/soong/android/variable.go b/build/soong/android/variable.go
index a814b74..95df5d1 100644
--- a/build/soong/android/variable.go
+++ b/build/soong/android/variable.go
@@ -55,6 +55,10 @@
 		Cppflags []string
 		Shared_libs []string
 	}
+	
+	Uses_nvidia_enhancements struct {
+		Cppflags []string
+	}
 }
 
 type ProductVariables struct {
@@ -75,4 +79,5 @@
 	Target_uses_eigen       *bool `json:",omitempty"`
 	Target_shim_libs  *string `json:",omitempty"`
 	Uses_qti_camera_device  *bool `json:",omitempty"`
+	Uses_nvidia_enhancements  *bool `json:",omitempty"`
 }
diff --git a/build/soong/soong_config.mk b/build/soong/soong_config.mk
index 90b470b..d4c1236 100644
--- a/build/soong/soong_config.mk
+++ b/build/soong/soong_config.mk
@@ -21,7 +21,8 @@
 	echo '    "TargetUsesProprietaryLibs":  $(if $(strip $(TARGET_USES_PROPRIETARY_LIBS)),true,false),';  \
 	echo '    "Target_uses_qsml":  $(if $(strip $(TARGET_USES_QSML)),true,false),';  \
 	echo '    "Target_uses_eigen":  $(if $(strip $(TARGET_USES_QSML)),false,true),';  \
+	echo '    "Uses_qti_camera_device": $(if $(filter true,$(TARGET_USES_QTI_CAMERA_DEVICE)),true,false),'; \
+	echo '    "Uses_nvidia_enhancements": $(if $(filter TRUE,$(NV_ANDROID_FRAMEWORK_ENHANCEMENTS)),true,false),'; \
 	echo '    "Target_shim_libs": "$(subst $(space),:,$(TARGET_LD_SHIM_LIBS))"'; \
-	echo '    "Uses_qti_camera_device": $(if $(filter true,$(TARGET_USES_QTI_CAMERA_DEVICE)),true,false)'; \
 	echo '},'; \
 	echo '') > $(SOONG_VARIABLES_TMP)