Enable apps to build with resource namespaces

Setting LOCAL_AAPT_NAMESPACES := true enables
namespaces for an app and requires any library resources
to be fully qualified by their package.

Test: manual
Bug: 73885582
Change-Id: Ia6bfc82ee8b8d6335f8e7c2abe94ce36467a012d
Merged-In: Ia6bfc82ee8b8d6335f8e7c2abe94ce36467a012d
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index fc6b83c..1022693 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -7,6 +7,7 @@
 LOCAL_AAPT2_ONLY:=
 LOCAL_AAPT_FLAGS:=
 LOCAL_AAPT_INCLUDE_ALL_RESOURCES:=
+LOCAL_AAPT_NAMESPACES:=
 LOCAL_ADDITIONAL_CERTIFICATES:=
 LOCAL_ADDITIONAL_DEPENDENCIES:=
 LOCAL_ADDITIONAL_HTML_DIR:=
diff --git a/core/package_internal.mk b/core/package_internal.mk
index 0938c99..b731bfa 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -407,8 +407,13 @@
 endif  # renderscript_target_api is set
 my_asset_dirs := $(LOCAL_ASSET_DIR)
 my_full_asset_paths := $(all_assets)
+
 # Add AAPT2 link specific flags.
-$(my_res_package): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) --no-static-lib-packages
+$(my_res_package): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS)
+ifndef LOCAL_AAPT_NAMESPACES
+  $(my_res_package): PRIVATE_AAPT_FLAGS += --no-static-lib-packages
+endif
+
 include $(BUILD_SYSTEM)/aapt2.mk
 else  # LOCAL_USE_AAPT2
 
diff --git a/core/static_java_library.mk b/core/static_java_library.mk
index 77bb498..d92d8c0 100644
--- a/core/static_java_library.mk
+++ b/core/static_java_library.mk
@@ -131,7 +131,10 @@
 # add --non-constant-id to prevent inlining constants.
 # AAR needs text symbol file R.txt.
 ifdef LOCAL_USE_AAPT2
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) --static-lib --no-static-lib-packages
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) --static-lib
+ifndef LOCAL_AAPT_NAMESPACES
+  $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_AAPT_FLAGS += --no-static-lib-packages
+endif
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_PRODUCT_AAPT_CONFIG :=
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_PRODUCT_AAPT_PREF_CONFIG :=
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_AAPT_CHARACTERISTICS :=