Ensure current product use PRODUCT_* vars directly

Disallow use of the long-form PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_*
after the short-form has been assigned, to ensure modifications are
made to the right variable.

Macros that need to work with multiple products get a convenience
macro that is redefined at the right moment.

Test: compare_target_files
Test: build_test
Change-Id: Ib0e57b1bc51b1f308296a150b9b7590a0bb5c313
diff --git a/core/product-graph.mk b/core/product-graph.mk
index b97a69d..968d01b 100644
--- a/core/product-graph.mk
+++ b/core/product-graph.mk
@@ -33,7 +33,6 @@
 	)
 endef
 
-
 this_makefile := build/make/core/product-graph.mk
 
 products_graph := $(OUT_DIR)/products.dot
@@ -71,7 +70,7 @@
 # $(2) the output file
 define emit-product-node-props
 $(hide) echo \"$(1)\" [ \
-label=\"$(dir $(1))\\n$(notdir $(1))\\n\\n$(subst $(close_parenthesis),,$(subst $(open_parethesis),,$(PRODUCTS.$(strip $(1)).PRODUCT_MODEL)))\\n$(PRODUCTS.$(strip $(1)).PRODUCT_DEVICE)\" \
+label=\"$(dir $(1))\\n$(notdir $(1))\\n\\n$(subst $(close_parenthesis),,$(subst $(open_parethesis),,$(call get-product-var,$(1),PRODUCT_MODEL)))\\n$(call get-product-var,$(1),PRODUCT_DEVICE)\" \
 style=\"filled\" fillcolor=\"$(strip $(call node-color,$(1)))\" \
 colorscheme=\"svg\" fontcolor=\"darkblue\" href=\"products/$(1).html\" \
 ] >> $(2)
@@ -105,35 +104,35 @@
 	$(hide) rm -f $$@
 	$(hide) mkdir -p $$(dir $$@)
 	$(hide) echo 'FILE=$(strip $(1))' >> $$@
-	$(hide) echo 'PRODUCT_NAME=$$(PRODUCTS.$(strip $(1)).PRODUCT_NAME)' >> $$@
-	$(hide) echo 'PRODUCT_MODEL=$$(PRODUCTS.$(strip $(1)).PRODUCT_MODEL)' >> $$@
-	$(hide) echo 'PRODUCT_LOCALES=$$(PRODUCTS.$(strip $(1)).PRODUCT_LOCALES)' >> $$@
-	$(hide) echo 'PRODUCT_AAPT_CONFIG=$$(PRODUCTS.$(strip $(1)).PRODUCT_AAPT_CONFIG)' >> $$@
-	$(hide) echo 'PRODUCT_AAPT_PREF_CONFIG=$$(PRODUCTS.$(strip $(1)).PRODUCT_AAPT_PREF_CONFIG)' >> $$@
-	$(hide) echo 'PRODUCT_PACKAGES=$$(PRODUCTS.$(strip $(1)).PRODUCT_PACKAGES)' >> $$@
-	$(hide) echo 'PRODUCT_DEVICE=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEVICE)' >> $$@
-	$(hide) echo 'PRODUCT_MANUFACTURER=$$(PRODUCTS.$(strip $(1)).PRODUCT_MANUFACTURER)' >> $$@
-	$(hide) echo 'PRODUCT_PROPERTY_OVERRIDES=$$(PRODUCTS.$(strip $(1)).PRODUCT_PROPERTY_OVERRIDES)' >> $$@
-	$(hide) echo 'PRODUCT_DEFAULT_PROPERTY_OVERRIDES=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_PROPERTY_OVERRIDES)' >> $$@
-	$(hide) echo 'PRODUCT_SYSTEM_DEFAULT_PROPERTIES=$$(PRODUCTS.$(strip $(1)).PRODUCT_SYSTEM_DEFAULT_PROPERTIES)' >> $$@
-	$(hide) echo 'PRODUCT_PRODUCT_PROPERTIES=$$(PRODUCTS.$(strip $(1)).PRODUCT_PRODUCT_PROPERTIES)' >> $$@
-	$(hide) echo 'PRODUCT_SYSTEM_EXT_PROPERTIES=$$(PRODUCTS.$(strip $(1)).PRODUCT_SYSTEM_EXT_PROPERTIES)' >> $$@
-	$(hide) echo 'PRODUCT_ODM_PROPERTIES=$$(PRODUCTS.$(strip $(1)).PRODUCT_ODM_PROPERTIES)' >> $$@
-	$(hide) echo 'PRODUCT_CHARACTERISTICS=$$(PRODUCTS.$(strip $(1)).PRODUCT_CHARACTERISTICS)' >> $$@
-	$(hide) echo 'PRODUCT_COPY_FILES=$$(PRODUCTS.$(strip $(1)).PRODUCT_COPY_FILES)' >> $$@
-	$(hide) echo 'PRODUCT_OTA_PUBLIC_KEYS=$$(PRODUCTS.$(strip $(1)).PRODUCT_OTA_PUBLIC_KEYS)' >> $$@
-	$(hide) echo 'PRODUCT_EXTRA_RECOVERY_KEYS=$$(PRODUCTS.$(strip $(1)).PRODUCT_EXTRA_RECOVERY_KEYS)' >> $$@
-	$(hide) echo 'PRODUCT_PACKAGE_OVERLAYS=$$(PRODUCTS.$(strip $(1)).PRODUCT_PACKAGE_OVERLAYS)' >> $$@
-	$(hide) echo 'DEVICE_PACKAGE_OVERLAYS=$$(PRODUCTS.$(strip $(1)).DEVICE_PACKAGE_OVERLAYS)' >> $$@
-	$(hide) echo 'PRODUCT_SDK_ADDON_NAME=$$(PRODUCTS.$(strip $(1)).PRODUCT_SDK_ADDON_NAME)' >> $$@
-	$(hide) echo 'PRODUCT_SDK_ADDON_COPY_FILES=$$(PRODUCTS.$(strip $(1)).PRODUCT_SDK_ADDON_COPY_FILES)' >> $$@
-	$(hide) echo 'PRODUCT_SDK_ADDON_COPY_MODULES=$$(PRODUCTS.$(strip $(1)).PRODUCT_SDK_ADDON_COPY_MODULES)' >> $$@
-	$(hide) echo 'PRODUCT_SDK_ADDON_DOC_MODULES=$$(PRODUCTS.$(strip $(1)).PRODUCT_SDK_ADDON_DOC_MODULES)' >> $$@
-	$(hide) echo 'PRODUCT_DEFAULT_WIFI_CHANNELS=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_WIFI_CHANNELS)' >> $$@
-	$(hide) echo 'PRODUCT_DEFAULT_DEV_CERTIFICATE=$$(PRODUCTS.$(strip $(1)).PRODUCT_DEFAULT_DEV_CERTIFICATE)' >> $$@
-	$(hide) echo 'PRODUCT_MAINLINE_SEPOLICY_DEV_CERTIFICATES=$$(PRODUCTS.$(strip $(1)).PRODUCT_MAINLINE_SEPOLICY_DEV_CERTIFICATES)' >> $$@
-	$(hide) echo 'PRODUCT_RESTRICT_VENDOR_FILES=$$(PRODUCTS.$(strip $(1)).PRODUCT_RESTRICT_VENDOR_FILES)' >> $$@
-	$(hide) echo 'PRODUCT_VENDOR_KERNEL_HEADERS=$$(PRODUCTS.$(strip $(1)).PRODUCT_VENDOR_KERNEL_HEADERS)' >> $$@
+	$(hide) echo 'PRODUCT_NAME=$(call get-product-var,$(1),PRODUCT_NAME)' >> $$@
+	$(hide) echo 'PRODUCT_MODEL=$(call get-product-var,$(1),PRODUCT_MODEL)' >> $$@
+	$(hide) echo 'PRODUCT_LOCALES=$(call get-product-var,$(1),PRODUCT_LOCALES)' >> $$@
+	$(hide) echo 'PRODUCT_AAPT_CONFIG=$(call get-product-var,$(1),PRODUCT_AAPT_CONFIG)' >> $$@
+	$(hide) echo 'PRODUCT_AAPT_PREF_CONFIG=$(call get-product-var,$(1),PRODUCT_AAPT_PREF_CONFIG)' >> $$@
+	$(hide) echo 'PRODUCT_PACKAGES=$(call get-product-var,$(1),PRODUCT_PACKAGES)' >> $$@
+	$(hide) echo 'PRODUCT_DEVICE=$(call get-product-var,$(1),PRODUCT_DEVICE)' >> $$@
+	$(hide) echo 'PRODUCT_MANUFACTURER=$(call get-product-var,$(1),PRODUCT_MANUFACTURER)' >> $$@
+	$(hide) echo 'PRODUCT_PROPERTY_OVERRIDES=$(call get-product-var,$(1),PRODUCT_PROPERTY_OVERRIDES)' >> $$@
+	$(hide) echo 'PRODUCT_DEFAULT_PROPERTY_OVERRIDES=$(call get-product-var,$(1),PRODUCT_DEFAULT_PROPERTY_OVERRIDES)' >> $$@
+	$(hide) echo 'PRODUCT_SYSTEM_DEFAULT_PROPERTIES=$(call get-product-var,$(1),PRODUCT_SYSTEM_DEFAULT_PROPERTIES)' >> $$@
+	$(hide) echo 'PRODUCT_PRODUCT_PROPERTIES=$(call get-product-var,$(1),PRODUCT_PRODUCT_PROPERTIES)' >> $$@
+	$(hide) echo 'PRODUCT_SYSTEM_EXT_PROPERTIES=$(call get-product-var,$(1),PRODUCT_SYSTEM_EXT_PROPERTIES)' >> $$@
+	$(hide) echo 'PRODUCT_ODM_PROPERTIES=$(call get-product-var,$(1),PRODUCT_ODM_PROPERTIES)' >> $$@
+	$(hide) echo 'PRODUCT_CHARACTERISTICS=$(call get-product-var,$(1),PRODUCT_CHARACTERISTICS)' >> $$@
+	$(hide) echo 'PRODUCT_COPY_FILES=$(call get-product-var,$(1),PRODUCT_COPY_FILES)' >> $$@
+	$(hide) echo 'PRODUCT_OTA_PUBLIC_KEYS=$(call get-product-var,$(1),PRODUCT_OTA_PUBLIC_KEYS)' >> $$@
+	$(hide) echo 'PRODUCT_EXTRA_RECOVERY_KEYS=$(call get-product-var,$(1),PRODUCT_EXTRA_RECOVERY_KEYS)' >> $$@
+	$(hide) echo 'PRODUCT_PACKAGE_OVERLAYS=$(call get-product-var,$(1),PRODUCT_PACKAGE_OVERLAYS)' >> $$@
+	$(hide) echo 'DEVICE_PACKAGE_OVERLAYS=$(call get-product-var,$(1),DEVICE_PACKAGE_OVERLAYS)' >> $$@
+	$(hide) echo 'PRODUCT_SDK_ADDON_NAME=$(call get-product-var,$(1),PRODUCT_SDK_ADDON_NAME)' >> $$@
+	$(hide) echo 'PRODUCT_SDK_ADDON_COPY_FILES=$(call get-product-var,$(1),PRODUCT_SDK_ADDON_COPY_FILES)' >> $$@
+	$(hide) echo 'PRODUCT_SDK_ADDON_COPY_MODULES=$(call get-product-var,$(1),PRODUCT_SDK_ADDON_COPY_MODULES)' >> $$@
+	$(hide) echo 'PRODUCT_SDK_ADDON_DOC_MODULES=$(call get-product-var,$(1),PRODUCT_SDK_ADDON_DOC_MODULES)' >> $$@
+	$(hide) echo 'PRODUCT_DEFAULT_WIFI_CHANNELS=$(call get-product-var,$(1),PRODUCT_DEFAULT_WIFI_CHANNELS)' >> $$@
+	$(hide) echo 'PRODUCT_DEFAULT_DEV_CERTIFICATE=$(call get-product-var,$(1),PRODUCT_DEFAULT_DEV_CERTIFICATE)' >> $$@
+	$(hide) echo 'PRODUCT_MAINLINE_SEPOLICY_DEV_CERTIFICATES=$(call get-product-var,$(1),PRODUCT_MAINLINE_SEPOLICY_DEV_CERTIFICATES)' >> $$@
+	$(hide) echo 'PRODUCT_RESTRICT_VENDOR_FILES=$(call get-product-var,$(1),PRODUCT_RESTRICT_VENDOR_FILES)' >> $$@
+	$(hide) echo 'PRODUCT_VENDOR_KERNEL_HEADERS=$(call get-product-var,$(1),PRODUCT_VENDOR_KERNEL_HEADERS)' >> $$@
 
 $(call product-debug-filename, $(p)): \
 			$(OUT_DIR)/products/$(strip $(1)).txt \