Build: Add module-level product configuration of sanitization

To allow special sanitizer settings for modules shared between
products, add product-specific module settings.

This was copied from the product-specific dexopt settings.

Bug: 29498013
Change-Id: I17a96b975bb6ac7f4ffb3d5b08e2f00b21bd97a1
diff --git a/core/product_config.mk b/core/product_config.mk
index ed38bc8..0d4ced3 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -392,7 +392,7 @@
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_DEFAULT_FLAGS))
 PRODUCT_DEX_PREOPT_BOOT_FLAGS := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_BOOT_FLAGS))
-# Resolve and setup per-module dex-preopot configs.
+# Resolve and setup per-module dex-preopt configs.
 PRODUCT_DEX_PREOPT_MODULE_CONFIGS := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_DEX_PREOPT_MODULE_CONFIGS))
 # If a module has multiple setups, the first takes precedence.
@@ -405,3 +405,17 @@
     $(eval cf := $(subst $(_PDPMC_SP_PLACE_HOLDER),$(space),$(cf)))\
     $(eval DEXPREOPT.$(TARGET_PRODUCT).$(m).CONFIG := $(cf))))
 _pdpmc_modules :=
+
+# Resolve and setup per-module sanitizer configs.
+PRODUCT_SANITIZER_MODULE_CONFIGS := \
+    $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SANITIZER_MODULE_CONFIGS))
+# If a module has multiple setups, the first takes precedence.
+_psmc_modules :=
+$(foreach c,$(PRODUCT_SANITIZER_MODULE_CONFIGS),\
+  $(eval m := $(firstword $(subst =,$(space),$(c))))\
+  $(if $(filter $(_psmc_modules),$(m)),,\
+    $(eval _psmc_modules += $(m))\
+    $(eval cf := $(patsubst $(m)=%,%,$(c)))\
+    $(eval cf := $(subst $(_PSMC_SP_PLACE_HOLDER),$(space),$(cf)))\
+    $(eval SANITIZER.$(TARGET_PRODUCT).$(m).CONFIG := $(cf))))
+_psmc_modules :=