Make RRO packages for system_ext

Until now, packages from system_ext don't create RRO packages, instead
it uses static overlay, but to make system_ext common, it should use
RRO.

Bug: 150820813
Test: m && check if there are RRO packages that use from system_ext apps
Change-Id: Id0ddb66adca07a6bb4dda66fbee49fd476ac5342
diff --git a/core/package_internal.mk b/core/package_internal.mk
index 7bbaeb6..e680df7 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -100,19 +100,19 @@
 # Determine whether auto-RRO is enabled for this package.
 enforce_rro_enabled :=
 ifneq (,$(filter *, $(PRODUCT_ENFORCE_RRO_TARGETS)))
-  # * means all system APKs, so enable conditionally based on module path.
+  # * means all system and system_ext APKs, so enable conditionally based on module path.
+  # Note that modules in PRODUCT_ENFORCE_RRO_EXEMPTED_TARGETS are excluded even if it is '*'
 
   # Note that base_rules.mk has not yet been included, so it's likely that only
   # one of LOCAL_MODULE_PATH and the LOCAL_X_MODULE flags has been set.
   ifeq (,$(LOCAL_MODULE_PATH))
-    non_system_module := $(filter true,\
+    non_rro_target_module := $(filter true,\
         $(LOCAL_ODM_MODULE) \
         $(LOCAL_OEM_MODULE) \
         $(LOCAL_PRODUCT_MODULE) \
-        $(LOCAL_SYSTEM_EXT_MODULE) \
         $(LOCAL_PROPRIETARY_MODULE) \
         $(LOCAL_VENDOR_MODULE))
-    enforce_rro_enabled := $(if $(non_system_module),,true)
+    enforce_rro_enabled := $(if $(non_rro_target_module),,true)
   else ifneq ($(filter $(TARGET_OUT)/%,$(LOCAL_MODULE_PATH)),)
     enforce_rro_enabled := true
   endif
@@ -120,6 +120,12 @@
   enforce_rro_enabled := true
 endif
 
+# TODO(b/150820813) Some modules depend on static overlay, remove this after eliminating the dependency.
+ifneq (,$(filter $(LOCAL_PACKAGE_NAME), $(PRODUCT_ENFORCE_RRO_EXEMPTED_TARGETS)))
+  enforce_rro_enabled :=
+endif
+
+
 product_package_overlays := $(strip \
     $(wildcard $(foreach dir, $(PRODUCT_PACKAGE_OVERLAYS), \
       $(addprefix $(dir)/, $(LOCAL_RESOURCE_DIR)))))