lineage: soong: _contents -> _json_contents

Change-Id: I2baa36bbb9aff3a7e70a293ed3352fb718eb611c
diff --git a/build/soong/soong_config.mk b/build/soong/soong_config.mk
index 8254776..cdc66f1 100644
--- a/build/soong/soong_config.mk
+++ b/build/soong/soong_config.mk
@@ -1,6 +1,6 @@
 add_json_str_omitempty = $(if $(strip $(2)),$(call add_json_str, $(1), $(2)))
 
-_contents := $(_contents)    "Omnirom": {$(newline)
+_json_contents := $(_json_contents)    "Omnirom":{$(newline)
 
 # See build/core/soong_config.mk for the add_json_* functions you can use here.
 $(call add_json_bool, Healthd_use_battery_info,               $(filter true,$(HEALTHD_USE_BATTERY_INFO)))
@@ -13,6 +13,6 @@
 $(call add_json_str_omitempty, Target_init_vendor_lib, $(TARGET_INIT_VENDOR_LIB))
 
 # This causes the build system to strip out the last comma in our nested struct, to keep the JSON valid.
-_contents := $(_contents)__SV_END
+_json_contents := $(_json_contents)__SV_END
 
-_contents := $(_contents)    },$(newline)
+_json_contents := $(_json_contents)    },$(newline)