diff --git a/CleanSpec.mk b/CleanSpec.mk
index dfc0cd0..f8c96ff 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -779,6 +779,14 @@
 # Clear out rustc compiler intermediates after reverting rust compiler/linker split.
 $(call add-clean-step, find $(OUT_DIR) -name "*.rsp.whole.a" -print0 | xargs -0 /bin/bash -c 'rm -f $$$${@}; rm -f $$$${@/.rsp.whole.a/.rsp.a}; rm -f $$$${@/.rsp.whole.a/.rsp}')
 
+# Remove obsolete java compilation artifacts
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/)
+$(call add-clean-step, find $(OUT_DIR) -type f -name "*.jar" -print0 | xargs -0 rm -f)
+
+# Remove obsolete java compilation artifacts
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/)
+$(call add-clean-step, find $(OUT_DIR) -type f -name "*.jar" -print0 | xargs -0 rm -f)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 18d245c..ed72fc3 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -38,27 +38,6 @@
 # PRODUCT_PRECOMPILED_SEPOLICY defaults to true. Explicitly check if it's "false" or not.
 $(call add_soong_config_var_value,ANDROID,PRODUCT_PRECOMPILED_SEPOLICY,$(if $(filter false,$(PRODUCT_PRECOMPILED_SEPOLICY)),false,true))
 
-# Default behavior for the tree wrt building modules or using prebuilts. This
-# can always be overridden by setting the environment variable
-# MODULE_BUILD_FROM_SOURCE.
-BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE := $(RELEASE_DEFAULT_MODULE_BUILD_FROM_SOURCE)
-# TODO(b/301454934): The value from build flag is set to empty when use `False`
-# The condition below can be removed after the issue get sorted.
-ifeq (,$(BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE))
-  BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE := false
-endif
-
-ifneq (,$(MODULE_BUILD_FROM_SOURCE))
-  # Keep an explicit setting.
-else ifeq (,$(filter docs sdk win_sdk sdk_addon,$(MAKECMDGOALS)))
-  MODULE_BUILD_FROM_SOURCE := true
-else ifneq (,$(PRODUCT_MODULE_BUILD_FROM_SOURCE))
-  # Let products override the branch default.
-  MODULE_BUILD_FROM_SOURCE := $(PRODUCT_MODULE_BUILD_FROM_SOURCE)
-else
-  MODULE_BUILD_FROM_SOURCE := $(BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE)
-endif
-
 ifdef ART_DEBUG_OPT_FLAG
 $(call soong_config_set,art_module,art_debug_opt_flag,$(ART_DEBUG_OPT_FLAG))
 endif
@@ -76,9 +55,10 @@
 endif
 endif
 
-ifeq (true,$(MODULE_BUILD_FROM_SOURCE))
+# TODO(b/308187800): some internal modules set `prefer` to true on the prebuilt apex module,
+# and set that to false when `ANDROID.module_build_from_source` is true.
+# Set this soong config variable to true for now, and cleanup `prefer` as part of b/308187800
 $(call add_soong_config_var_value,ANDROID,module_build_from_source,true)
-endif
 
 # Messaging app vars
 ifeq (eng,$(TARGET_BUILD_VARIANT))
diff --git a/core/base_rules.mk b/core/base_rules.mk
index b594193..9c7e906 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -716,6 +716,14 @@
   test_config := $(wildcard $(LOCAL_PATH)/AndroidTest.xml)
 endif
 
+ifeq ($(EXCLUDE_MCTS),true)
+  ifneq (,$(test_config))
+    ifneq (,$(filter mcts-%,$(LOCAL_COMPATIBILITY_SUITE)))
+      LOCAL_COMPATIBILITY_SUITE := $(filter-out cts,$(LOCAL_COMPATIBILITY_SUITE))
+    endif
+  endif
+endif
+
 ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
 
 # If we are building a native test or benchmark and its stem variants are not defined,
diff --git a/core/board_config.mk b/core/board_config.mk
index 633303f..e184601 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -274,7 +274,7 @@
 
 ifneq ($(MALLOC_IMPL),)
   $(warning *** Unsupported option MALLOC_IMPL defined by board config: $(board_config_mk).)
-  $(error Use `MALLOC_SVELTE := true` to configure jemalloc for low-memory)
+  $(error Use `MALLOC_LOW_MEMORY := true` to use low-memory allocator config)
 endif
 board_config_mk :=
 
diff --git a/core/product.mk b/core/product.mk
index f8634ef..0a761fb 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -418,8 +418,9 @@
 # /system/etc/security/fsverity/BuildManifest.apk
 _product_single_value_vars += PRODUCT_FSVERITY_GENERATE_METADATA
 
-# If true, sets the default for MODULE_BUILD_FROM_SOURCE. This overrides
-# BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE but not an explicitly set value.
+# If true, this builds the mainline modules from source. This overrides any
+# prebuilts selected via RELEASE_APEX_CONTRIBUTIONS_* build flags for the
+# current release config.
 _product_single_value_vars += PRODUCT_MODULE_BUILD_FROM_SOURCE
 
 # If true, installs a full version of com.android.virt APEX.
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 534270e..acd213c 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -154,7 +154,7 @@
 $(call add_json_list, DeviceSystemSdkVersions,           $(BOARD_SYSTEMSDK_VERSIONS))
 $(call add_json_str,  RecoverySnapshotVersion,           $(RECOVERY_SNAPSHOT_VERSION))
 $(call add_json_list, Platform_systemsdk_versions,       $(PLATFORM_SYSTEMSDK_VERSIONS))
-$(call add_json_bool, Malloc_not_svelte,                 $(call invert_bool,$(filter true,$(MALLOC_SVELTE))))
+$(call add_json_bool, Malloc_low_memory,                 $(findstring true,$(MALLOC_SVELTE) $(MALLOC_LOW_MEMORY)))
 $(call add_json_bool, Malloc_zero_contents,              $(call invert_bool,$(filter false,$(MALLOC_ZERO_CONTENTS))))
 $(call add_json_bool, Malloc_pattern_fill_contents,      $(MALLOC_PATTERN_FILL_CONTENTS))
 $(call add_json_str,  Override_rs_driver,                $(OVERRIDE_RS_DRIVER))
diff --git a/core/tasks/meta-lic.mk b/core/tasks/meta-lic.mk
index 9a8dfff..2126bd0 100644
--- a/core/tasks/meta-lic.mk
+++ b/core/tasks/meta-lic.mk
@@ -30,6 +30,23 @@
 $(eval $(call declare-1p-copy-files,device/google/atv,atv-component-overrides.xml))
 $(eval $(call declare-1p-copy-files,device/google/atv,tv_core_hardware.xml))
 
+# Moved here from device/google/barbet/Android.mk
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,default-permissions.xml,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,libnfc-nci.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,fstab.postinstall,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,ueventd.rc,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,wpa_supplicant.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,hals.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,media_profiles_V1_0.xml,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,media_codecs_performance.xml,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,device_state_configuration.xml,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,task_profiles.json,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,p2p_supplicant.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,wpa_supplicant.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/barbet,wpa_supplicant_overlay.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+
+$(eval $(call declare-1p-copy-files,device/google/barbet,audio_policy_configuration.xml))
+
 # Moved here from device/google/coral/Android.mk
 $(eval $(call declare-copy-files-license-metadata,device/google/coral,default-permissions.xml,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
 $(eval $(call declare-copy-files-license-metadata,device/google/coral,libnfc-nci.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
@@ -84,6 +101,23 @@
 
 $(eval $(call declare-1p-copy-files,device/google/raviole,audio_policy_configuration.xml))
 
+# Moved here from device/google/redfin/Android.mk
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,default-permissions.xml,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,libnfc-nci.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,fstab.postinstall,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,ueventd.rc,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,wpa_supplicant.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,hals.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,media_profiles_V1_0.xml,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,media_codecs_performance.xml,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,device_state_configuration.xml,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,task_profiles.json,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,p2p_supplicant.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,wpa_supplicant.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+$(eval $(call declare-copy-files-license-metadata,device/google/redfin,wpa_supplicant_overlay.conf,SPDX-license-identifier-Apache-2.0,notice,build/soong/licenses/LICENSE,))
+
+$(eval $(call declare-1p-copy-files,device/google/redfin,audio_policy_configuration.xml))
+
 # Moved here from device/sample/Android.mk
 $(eval $(call declare-1p-copy-files,device/sample,))
 
diff --git a/envsetup.sh b/envsetup.sh
index 1ef9a54..50fec51 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -1112,8 +1112,8 @@
   local tool_binary="$1"
   shift
 
-  # If logging is not enabled or the logger is not configured, run the original command and return.
-  if [[ "${ANDROID_ENABLE_TOOL_LOGGING}" != "true" ]] || [[ -z "${ANDROID_TOOL_LOGGER}" ]]; then
+  # If the logger is not configured, run the original command and return.
+  if [[ -z "${ANDROID_TOOL_LOGGER}" ]]; then
      "${tool_binary}" "${@}"
      return $?
   fi
diff --git a/target/board/ndk/BoardConfig.mk b/target/board/ndk/BoardConfig.mk
index b485f8b..d5399b2 100644
--- a/target/board/ndk/BoardConfig.mk
+++ b/target/board/ndk/BoardConfig.mk
@@ -15,6 +15,6 @@
 
 TARGET_ARCH_SUITE := ndk
 
-MALLOC_SVELTE := true
+MALLOC_LOW_MEMORY := true
 
 USE_SAFESTACK := false
diff --git a/target/product/module_arm64.mk b/target/product/module_arm64.mk
index 634a03d..d6487ca 100644
--- a/target/product/module_arm64.mk
+++ b/target/product/module_arm64.mk
@@ -21,3 +21,4 @@
 PRODUCT_DEVICE := module_arm64
 
 PRODUCT_NO_BIONIC_PAGE_SIZE_MACRO := true
+PRODUCT_MAX_PAGE_SIZE_SUPPORTED := 16384
diff --git a/target/product/module_arm64only.mk b/target/product/module_arm64only.mk
index 822ac24..137701a 100644
--- a/target/product/module_arm64only.mk
+++ b/target/product/module_arm64only.mk
@@ -21,3 +21,4 @@
 PRODUCT_DEVICE := module_arm64only
 
 PRODUCT_NO_BIONIC_PAGE_SIZE_MACRO := true
+PRODUCT_MAX_PAGE_SIZE_SUPPORTED := 16384
diff --git a/target/product/module_common.mk b/target/product/module_common.mk
index bf146a0..da4ea23 100644
--- a/target/product/module_common.mk
+++ b/target/product/module_common.mk
@@ -24,8 +24,9 @@
 # uses -DENFORCE_VINTF_MANIFEST. See b/185759877
 PRODUCT_SHIPPING_API_LEVEL := 29
 
-# Builds using a module product should build modules from source, even if
-# BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE says otherwise.
+# If true, this builds the mainline modules from source. This overrides any
+# prebuilts selected via RELEASE_APEX_CONTRIBUTIONS_* build flags for the
+# current release config.
 PRODUCT_MODULE_BUILD_FROM_SOURCE := true
 
 # Build sdk from source if the branch is not using slim manifests.
diff --git a/target/product/module_x86_64.mk b/target/product/module_x86_64.mk
index 9bd0264..e182bf6 100644
--- a/target/product/module_x86_64.mk
+++ b/target/product/module_x86_64.mk
@@ -21,3 +21,4 @@
 PRODUCT_DEVICE := module_x86_64
 
 PRODUCT_NO_BIONIC_PAGE_SIZE_MACRO := true
+PRODUCT_MAX_PAGE_SIZE_SUPPORTED :=  16384
diff --git a/target/product/module_x86_64only.mk b/target/product/module_x86_64only.mk
index 056fb90..fa4a04d 100644
--- a/target/product/module_x86_64only.mk
+++ b/target/product/module_x86_64only.mk
@@ -21,3 +21,4 @@
 PRODUCT_DEVICE := module_x86_64only
 
 PRODUCT_NO_BIONIC_PAGE_SIZE_MACRO := true
+PRODUCT_MAX_PAGE_SIZE_SUPPORTED := 16384
diff --git a/tests/run_tool_with_logging_test.py b/tests/run_tool_with_logging_test.py
index 215d992..18abd8e 100644
--- a/tests/run_tool_with_logging_test.py
+++ b/tests/run_tool_with_logging_test.py
@@ -59,37 +59,10 @@
     self.working_dir.cleanup()
     super().tearDown()
 
-  def test_does_not_log_when_logging_disabled(self):
-    test_tool = TestScript.create(self.working_dir)
-    test_logger = TestScript.create(self.working_dir)
-
-    self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=false
-      ANDROID_TOOL_LOGGER="{test_logger.executable}"
-      run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
-    """)
-
-    test_tool.assert_called_once_with_args("arg1 arg2")
-    test_logger.assert_not_called()
-
-  def test_does_not_log_when_logger_var_unset(self):
-    test_tool = TestScript.create(self.working_dir)
-    test_logger = TestScript.create(self.working_dir)
-
-    self._run_script_and_wait(f"""
-      unset ANDROID_ENABLE_TOOL_LOGGING
-      ANDROID_TOOL_LOGGER="{test_logger.executable}"
-      run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
-    """)
-
-    test_tool.assert_called_once_with_args("arg1 arg2")
-    test_logger.assert_not_called()
-
   def test_does_not_log_when_logger_var_empty(self):
     test_tool = TestScript.create(self.working_dir)
 
     self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=true
       ANDROID_TOOL_LOGGER=""
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
     """)
@@ -100,7 +73,6 @@
     test_tool = TestScript.create(self.working_dir)
 
     self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=true
       unset ANDROID_TOOL_LOGGER
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
     """)
@@ -112,7 +84,6 @@
     test_logger = TestScript.create(self.working_dir)
 
     self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=true
       ANDROID_TOOL_LOGGER="{test_logger.executable}"
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
     """)
@@ -130,7 +101,6 @@
 
     run_tool_with_logging_stdout, run_tool_with_logging_stderr = (
         self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=true
       ANDROID_TOOL_LOGGER="{test_logger.executable}"
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
     """)
@@ -138,7 +108,6 @@
 
     run_tool_without_logging_stdout, run_tool_without_logging_stderr = (
         self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=true
       ANDROID_TOOL_LOGGER="{test_logger.executable}"
       {test_tool.executable} arg1 arg2
     """)
@@ -156,7 +125,6 @@
     test_logger = TestScript.create(self.working_dir, "echo 'logger called'")
 
     run_tool_with_logging_output, _ = self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=true
       ANDROID_TOOL_LOGGER="{test_logger.executable}"
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
     """)
@@ -170,7 +138,6 @@
     )
 
     _, err = self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=true
       ANDROID_TOOL_LOGGER="{test_logger.executable}"
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
     """)
@@ -182,7 +149,6 @@
     test_logger = TestScript.create(self.working_dir)
 
     process = self._run_script_in_build_env(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=true
       ANDROID_TOOL_LOGGER="{test_logger.executable}"
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
     """)
@@ -207,9 +173,8 @@
     test_logger = TestScript.create(self.working_dir)
 
     self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=false
+      ANDROID_TOOL_LOGGER=""
       ANDROID_TOOL_LOGGER="{test_logger.executable}"
-      ANDROID_ENABLE_TOOL_LOGGING=true
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
     """)
 
@@ -220,9 +185,8 @@
     test_logger = TestScript.create(self.working_dir)
 
     self._run_script_and_wait(f"""
-      ANDROID_ENABLE_TOOL_LOGGING=true
       ANDROID_TOOL_LOGGER="{test_logger.executable}"
-      ANDROID_ENABLE_TOOL_LOGGING=false
+      ANDROID_TOOL_LOGGER=""
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
     """)
 
@@ -234,7 +198,6 @@
 
     self._run_script_and_wait(f"""
       TMPDIR="{self.working_dir.name}"
-      ANDROID_ENABLE_TOOL_LOGGING=true
       ANDROID_TOOL_LOGGER="{logger_path}"
       ANDROID_TOOL_LOGGER_EXTRA_ARGS="--dry_run"
       run_tool_with_logging "FAKE_TOOL" {test_tool.executable} arg1 arg2
diff --git a/tools/aconfig/aconfig_device_paths/Android.bp b/tools/aconfig/aconfig_device_paths/Android.bp
index 21aa9a9..2c771e0 100644
--- a/tools/aconfig/aconfig_device_paths/Android.bp
+++ b/tools/aconfig/aconfig_device_paths/Android.bp
@@ -36,3 +36,16 @@
     host_supported: true,
     defaults: ["libaconfig_device_paths.defaults"],
 }
+
+genrule {
+    name: "libaconfig_java_device_paths_src",
+    srcs: ["src/DevicePathsTemplate.java"],
+    out: ["DevicePaths.java"],
+    tool_files: ["partition_aconfig_flags_paths.txt"],
+    cmd: "sed -e '/TEMPLATE/{r$(location partition_aconfig_flags_paths.txt)' -e 'd}' $(in) > $(out)"
+}
+
+java_library {
+    name: "aconfig_device_paths_java",
+    srcs: [":libaconfig_java_device_paths_src"],
+}
diff --git a/tools/aconfig/aconfig_device_paths/partition_aconfig_flags_paths.txt b/tools/aconfig/aconfig_device_paths/partition_aconfig_flags_paths.txt
index 3d2deb2..140cd21 100644
--- a/tools/aconfig/aconfig_device_paths/partition_aconfig_flags_paths.txt
+++ b/tools/aconfig/aconfig_device_paths/partition_aconfig_flags_paths.txt
@@ -1,6 +1,4 @@
-[
-    "/system/etc/aconfig_flags.pb",
-    "/system_ext/etc/aconfig_flags.pb",
-    "/product/etc/aconfig_flags.pb",
-    "/vendor/etc/aconfig_flags.pb",
-]
+"/system/etc/aconfig_flags.pb",
+"/system_ext/etc/aconfig_flags.pb",
+"/product/etc/aconfig_flags.pb",
+"/vendor/etc/aconfig_flags.pb",
diff --git a/tools/aconfig/aconfig_device_paths/src/DevicePathsTemplate.java b/tools/aconfig/aconfig_device_paths/src/DevicePathsTemplate.java
new file mode 100644
index 0000000..f27b9bd
--- /dev/null
+++ b/tools/aconfig/aconfig_device_paths/src/DevicePathsTemplate.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.aconfig;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * @hide
+ */
+public class DevicePaths {
+    static final String[] PATHS = {
+        TEMPLATE
+    };
+
+    private static final String APEX_DIR = "/apex";
+    private static final String APEX_ACONFIG_PATH_SUFFIX = "/etc/aconfig_flags.pb";
+
+
+    /**
+     * Returns the list of all on-device aconfig protos paths.
+     * @hide
+     */
+    public List<String> parsedFlagsProtoPaths() {
+        ArrayList<String> paths = new ArrayList(Arrays.asList(PATHS));
+
+        File apexDirectory = new File(APEX_DIR);
+        if (!apexDirectory.isDirectory()) {
+            return paths;
+        }
+
+        File[] subdirs = apexDirectory.listFiles();
+        if (subdirs == null) {
+            return paths;
+        }
+
+        for (File prefix : subdirs) {
+            // For each mainline modules, there are two directories, one <modulepackage>/,
+            // and one <modulepackage>@<versioncode>/. Just read the former.
+            if (prefix.getAbsolutePath().contains("@")) {
+                continue;
+            }
+
+            File protoPath = new File(prefix + APEX_ACONFIG_PATH_SUFFIX);
+            if (!protoPath.exists()) {
+                continue;
+            }
+
+            paths.add(protoPath.getAbsolutePath());
+        }
+        return paths;
+    }
+}
diff --git a/tools/aconfig/aconfig_device_paths/src/lib.rs b/tools/aconfig/aconfig_device_paths/src/lib.rs
index 7bb62f4..c5a6bff 100644
--- a/tools/aconfig/aconfig_device_paths/src/lib.rs
+++ b/tools/aconfig/aconfig_device_paths/src/lib.rs
@@ -23,7 +23,7 @@
 
 /// Determine all paths that contain an aconfig protobuf file.
 pub fn parsed_flags_proto_paths() -> Result<Vec<PathBuf>> {
-    let mut result: Vec<PathBuf> = include!("../partition_aconfig_flags_paths.txt")
+    let mut result: Vec<PathBuf> = [include_str!("../partition_aconfig_flags_paths.txt")]
         .map(|s| PathBuf::from(s.to_string()))
         .to_vec();
     for dir in fs::read_dir("/apex")? {
diff --git a/tools/check-flagged-apis/src/com/android/checkflaggedapis/CheckFlaggedApisTest.kt b/tools/check-flagged-apis/src/com/android/checkflaggedapis/CheckFlaggedApisTest.kt
index 2f76b2a..cd85944 100644
--- a/tools/check-flagged-apis/src/com/android/checkflaggedapis/CheckFlaggedApisTest.kt
+++ b/tools/check-flagged-apis/src/com/android/checkflaggedapis/CheckFlaggedApisTest.kt
@@ -49,6 +49,7 @@
       <?xml version="1.0" encoding="utf-8"?>
       <api version="3">
         <class name="android/Clazz" since="1">
+          <extends name="java/lang/Object"/>
           <method name="&lt;init>()V"/>
           <field name="FOO"/>
           <method name="getErrorCode()I"/>
@@ -57,6 +58,7 @@
           <method name="innerClassArg(Landroid/Clazz${"$"}Builder;)"/>
         </class>
         <class name="android/Clazz${"$"}Builder" since="2">
+          <extends name="java/lang/Object"/>
         </class>
       </api>
 """
@@ -95,20 +97,24 @@
   fun testParseApiSignature() {
     val expected =
         setOf(
-            Pair(Symbol("android/Clazz"), Flag("android.flag.foo")),
-            Pair(Symbol("android/Clazz/Clazz()"), Flag("android.flag.foo")),
-            Pair(Symbol("android/Clazz/FOO"), Flag("android.flag.foo")),
-            Pair(Symbol("android/Clazz/getErrorCode()"), Flag("android.flag.foo")),
             Pair(
-                Symbol("android/Clazz/setData(I[[ILandroid/util/Utility;)"),
+                Symbol.createClass("android/Clazz", "java/lang/Object", setOf()),
+                Flag("android.flag.foo")),
+            Pair(Symbol.createMethod("android/Clazz", "Clazz()"), Flag("android.flag.foo")),
+            Pair(Symbol.createField("android/Clazz", "FOO"), Flag("android.flag.foo")),
+            Pair(Symbol.createMethod("android/Clazz", "getErrorCode()"), Flag("android.flag.foo")),
+            Pair(
+                Symbol.createMethod("android/Clazz", "setData(I[[ILandroid/util/Utility;)"),
                 Flag("android.flag.foo")),
             Pair(
-                Symbol("android/Clazz/setVariableData(I[Landroid/util/Atom;)"),
+                Symbol.createMethod("android/Clazz", "setVariableData(I[Landroid/util/Atom;)"),
                 Flag("android.flag.foo")),
             Pair(
-                Symbol("android/Clazz/innerClassArg(Landroid/Clazz/Builder;)"),
+                Symbol.createMethod("android/Clazz", "innerClassArg(Landroid/Clazz/Builder;)"),
                 Flag("android.flag.foo")),
-            Pair(Symbol("android/Clazz/Builder"), Flag("android.flag.bar")),
+            Pair(
+                Symbol.createClass("android/Clazz/Builder", "java/lang/Object", setOf()),
+                Flag("android.flag.bar")),
         )
     val actual = parseApiSignature("in-memory", API_SIGNATURE.byteInputStream())
     assertEquals(expected, actual)
@@ -126,20 +132,42 @@
   fun testParseApiVersions() {
     val expected: Set<Symbol> =
         setOf(
-            Symbol("android/Clazz"),
-            Symbol("android/Clazz/Clazz()"),
-            Symbol("android/Clazz/FOO"),
-            Symbol("android/Clazz/getErrorCode()"),
-            Symbol("android/Clazz/setData(I[[ILandroid/util/Utility;)"),
-            Symbol("android/Clazz/setVariableData(I[Landroid/util/Atom;)"),
-            Symbol("android/Clazz/innerClassArg(Landroid/Clazz/Builder;)"),
-            Symbol("android/Clazz/Builder"),
+            Symbol.createClass("android/Clazz", "java/lang/Object", setOf()),
+            Symbol.createMethod("android/Clazz", "Clazz()"),
+            Symbol.createField("android/Clazz", "FOO"),
+            Symbol.createMethod("android/Clazz", "getErrorCode()"),
+            Symbol.createMethod("android/Clazz", "setData(I[[ILandroid/util/Utility;)"),
+            Symbol.createMethod("android/Clazz", "setVariableData(I[Landroid/util/Atom;)"),
+            Symbol.createMethod("android/Clazz", "innerClassArg(Landroid/Clazz/Builder;)"),
+            Symbol.createClass("android/Clazz/Builder", "java/lang/Object", setOf()),
         )
     val actual = parseApiVersions(API_VERSIONS.byteInputStream())
     assertEquals(expected, actual)
   }
 
   @Test
+  fun testParseApiVersionsNestedClasses() {
+    val apiVersions =
+        """
+          <?xml version="1.0" encoding="utf-8"?>
+          <api version="3">
+            <class name="android/Clazz${'$'}Foo${'$'}Bar" since="1">
+              <extends name="java/lang/Object"/>
+              <method name="&lt;init>()V"/>
+            </class>
+          </api>
+        """
+            .trim()
+    val expected: Set<Symbol> =
+        setOf(
+            Symbol.createClass("android/Clazz/Foo/Bar", "java/lang/Object", setOf()),
+            Symbol.createMethod("android/Clazz/Foo/Bar", "Bar()"),
+        )
+    val actual = parseApiVersions(apiVersions.byteInputStream())
+    assertEquals(expected, actual)
+  }
+
+  @Test
   fun testFindErrorsNoErrors() {
     val expected = setOf<ApiError>()
     val actual =
@@ -151,26 +179,121 @@
   }
 
   @Test
+  fun testFindErrorsVerifyImplements() {
+    val apiSignature =
+        """
+          // Signature format: 2.0
+          package android {
+            @FlaggedApi("android.flag.foo") public final class Clazz implements android.Interface {
+              method @FlaggedApi("android.flag.foo") public boolean foo();
+              method @FlaggedApi("android.flag.foo") public boolean bar();
+            }
+            public interface Interface {
+              method public boolean bar();
+            }
+          }
+        """
+            .trim()
+
+    val apiVersions =
+        """
+          <?xml version="1.0" encoding="utf-8"?>
+          <api version="3">
+            <class name="android/Clazz" since="1">
+              <extends name="java/lang/Object"/>
+              <implements name="android/Interface"/>
+              <method name="foo()Z"/>
+            </class>
+            <class name="android/Interface" since="1">
+              <method name="bar()Z"/>
+            </class>
+          </api>
+        """
+            .trim()
+
+    val expected = setOf<ApiError>()
+    val actual =
+        findErrors(
+            parseApiSignature("in-memory", apiSignature.byteInputStream()),
+            parseFlagValues(generateFlagsProto(ENABLED, ENABLED)),
+            parseApiVersions(apiVersions.byteInputStream()))
+    assertEquals(expected, actual)
+  }
+
+  @Test
+  fun testFindErrorsVerifySuperclass() {
+    val apiSignature =
+        """
+          // Signature format: 2.0
+          package android {
+            @FlaggedApi("android.flag.foo") public final class C extends android.B {
+              method @FlaggedApi("android.flag.foo") public boolean c();
+              method @FlaggedApi("android.flag.foo") public boolean b();
+              method @FlaggedApi("android.flag.foo") public boolean a();
+            }
+            public final class B extends android.A {
+              method public boolean b();
+            }
+            public final class A {
+              method public boolean a();
+            }
+          }
+        """
+            .trim()
+
+    val apiVersions =
+        """
+          <?xml version="1.0" encoding="utf-8"?>
+          <api version="3">
+            <class name="android/C" since="1">
+              <extends name="android/B"/>
+              <method name="c()Z"/>
+            </class>
+            <class name="android/B" since="1">
+              <extends name="android/A"/>
+              <method name="b()Z"/>
+            </class>
+            <class name="android/A" since="1">
+              <method name="a()Z"/>
+            </class>
+          </api>
+        """
+            .trim()
+
+    val expected = setOf<ApiError>()
+    val actual =
+        findErrors(
+            parseApiSignature("in-memory", apiSignature.byteInputStream()),
+            parseFlagValues(generateFlagsProto(ENABLED, ENABLED)),
+            parseApiVersions(apiVersions.byteInputStream()))
+    assertEquals(expected, actual)
+  }
+
+  @Test
   fun testFindErrorsDisabledFlaggedApiIsPresent() {
     val expected =
         setOf<ApiError>(
-            DisabledFlaggedApiIsPresentError(Symbol("android/Clazz"), Flag("android.flag.foo")),
             DisabledFlaggedApiIsPresentError(
-                Symbol("android/Clazz/Clazz()"), Flag("android.flag.foo")),
-            DisabledFlaggedApiIsPresentError(Symbol("android/Clazz/FOO"), Flag("android.flag.foo")),
-            DisabledFlaggedApiIsPresentError(
-                Symbol("android/Clazz/getErrorCode()"), Flag("android.flag.foo")),
-            DisabledFlaggedApiIsPresentError(
-                Symbol("android/Clazz/setData(I[[ILandroid/util/Utility;)"),
+                Symbol.createClass("android/Clazz", "java/lang/Object", setOf()),
                 Flag("android.flag.foo")),
             DisabledFlaggedApiIsPresentError(
-                Symbol("android/Clazz/setVariableData(I[Landroid/util/Atom;)"),
+                Symbol.createMethod("android/Clazz", "Clazz()"), Flag("android.flag.foo")),
+            DisabledFlaggedApiIsPresentError(
+                Symbol.createField("android/Clazz", "FOO"), Flag("android.flag.foo")),
+            DisabledFlaggedApiIsPresentError(
+                Symbol.createMethod("android/Clazz", "getErrorCode()"), Flag("android.flag.foo")),
+            DisabledFlaggedApiIsPresentError(
+                Symbol.createMethod("android/Clazz", "setData(I[[ILandroid/util/Utility;)"),
                 Flag("android.flag.foo")),
             DisabledFlaggedApiIsPresentError(
-                Symbol("android/Clazz/innerClassArg(Landroid/Clazz/Builder;)"),
+                Symbol.createMethod("android/Clazz", "setVariableData(I[Landroid/util/Atom;)"),
                 Flag("android.flag.foo")),
             DisabledFlaggedApiIsPresentError(
-                Symbol("android/Clazz/Builder"), Flag("android.flag.bar")),
+                Symbol.createMethod("android/Clazz", "innerClassArg(Landroid/Clazz/Builder;)"),
+                Flag("android.flag.foo")),
+            DisabledFlaggedApiIsPresentError(
+                Symbol.createClass("android/Clazz/Builder", "java/lang/Object", setOf()),
+                Flag("android.flag.bar")),
         )
     val actual =
         findErrors(
diff --git a/tools/check-flagged-apis/src/com/android/checkflaggedapis/Main.kt b/tools/check-flagged-apis/src/com/android/checkflaggedapis/Main.kt
index e8b1b65..b514048 100644
--- a/tools/check-flagged-apis/src/com/android/checkflaggedapis/Main.kt
+++ b/tools/check-flagged-apis/src/com/android/checkflaggedapis/Main.kt
@@ -54,29 +54,48 @@
  *
  * 1. https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.3.2
  */
-@JvmInline
-internal value class Symbol(val name: String) {
+internal sealed class Symbol {
   companion object {
     private val FORBIDDEN_CHARS = listOf('#', '$', '.')
 
-    /** Create a new Symbol from a String that may include delimiters other than dot. */
-    fun create(name: String): Symbol {
-      var sanitizedName = name
+    fun createClass(clazz: String, superclass: String?, interfaces: Set<String>): Symbol {
+      return ClassSymbol(
+          toInternalFormat(clazz),
+          superclass?.let { toInternalFormat(it) },
+          interfaces.map { toInternalFormat(it) }.toSet())
+    }
+
+    fun createField(clazz: String, field: String): Symbol {
+      require(!field.contains("(") && !field.contains(")"))
+      return MemberSymbol(toInternalFormat(clazz), toInternalFormat(field))
+    }
+
+    fun createMethod(clazz: String, method: String): Symbol {
+      return MemberSymbol(toInternalFormat(clazz), toInternalFormat(method))
+    }
+
+    protected fun toInternalFormat(name: String): String {
+      var internalName = name
       for (ch in FORBIDDEN_CHARS) {
-        sanitizedName = sanitizedName.replace(ch, '/')
+        internalName = internalName.replace(ch, '/')
       }
-      return Symbol(sanitizedName)
+      return internalName
     }
   }
 
-  init {
-    require(!name.isEmpty()) { "empty string" }
-    for (ch in FORBIDDEN_CHARS) {
-      require(!name.contains(ch)) { "$name: contains $ch" }
-    }
-  }
+  abstract fun toPrettyString(): String
+}
 
-  override fun toString(): String = name.toString()
+internal data class ClassSymbol(
+    val clazz: String,
+    val superclass: String?,
+    val interfaces: Set<String>
+) : Symbol() {
+  override fun toPrettyString(): String = "$clazz"
+}
+
+internal data class MemberSymbol(val clazz: String, val member: String) : Symbol() {
+  override fun toPrettyString(): String = "$clazz/$member"
 }
 
 /**
@@ -102,7 +121,7 @@
     override val flag: Flag
 ) : ApiError() {
   override fun toString(): String {
-    return "error: enabled @FlaggedApi not present in built artifact: symbol=$symbol flag=$flag"
+    return "error: enabled @FlaggedApi not present in built artifact: symbol=${symbol.toPrettyString()} flag=$flag"
   }
 }
 
@@ -111,14 +130,14 @@
     override val flag: Flag
 ) : ApiError() {
   override fun toString(): String {
-    return "error: disabled @FlaggedApi is present in built artifact: symbol=$symbol flag=$flag"
+    return "error: disabled @FlaggedApi is present in built artifact: symbol=${symbol.toPrettyString()} flag=$flag"
   }
 }
 
 internal data class UnknownFlagError(override val symbol: Symbol, override val flag: Flag) :
     ApiError() {
   override fun toString(): String {
-    return "error: unknown flag: symbol=$symbol flag=$flag"
+    return "error: unknown flag: symbol=${symbol.toPrettyString()} flag=$flag"
   }
 }
 
@@ -183,29 +202,35 @@
       object : BaseItemVisitor() {
         override fun visitClass(cls: ClassItem) {
           getFlagOrNull(cls)?.let { flag ->
-            val symbol = Symbol.create(cls.baselineElementId())
+            val symbol =
+                Symbol.createClass(
+                    cls.baselineElementId(),
+                    cls.superClass()?.baselineElementId(),
+                    cls.allInterfaces()
+                        .map { it.baselineElementId() }
+                        .filter { it != cls.baselineElementId() }
+                        .toSet())
             output.add(Pair(symbol, flag))
           }
         }
 
         override fun visitField(field: FieldItem) {
           getFlagOrNull(field)?.let { flag ->
-            val symbol = Symbol.create(field.baselineElementId())
+            val symbol =
+                Symbol.createField(field.containingClass().baselineElementId(), field.name())
             output.add(Pair(symbol, flag))
           }
         }
 
         override fun visitMethod(method: MethodItem) {
           getFlagOrNull(method)?.let { flag ->
-            val name = buildString {
-              append(method.containingClass().qualifiedName())
-              append(".")
+            val methodName = buildString {
               append(method.name())
               append("(")
               method.parameters().joinTo(this, separator = "") { it.type().internalName() }
               append(")")
             }
-            val symbol = Symbol.create(name)
+            val symbol = Symbol.createMethod(method.containingClass().qualifiedName(), methodName)
             output.add(Pair(symbol, flag))
           }
         }
@@ -246,7 +271,28 @@
         requireNotNull(cls.getAttribute("name")) {
           "Bad XML: <class> element without name attribute"
         }
-    output.add(Symbol.create(className.replace("/", ".")))
+    var superclass: String? = null
+    val interfaces = mutableSetOf<String>()
+    val children = cls.getChildNodes()
+    for (j in 0.rangeUntil(children.getLength())) {
+      val child = children.item(j)
+      when (child.getNodeName()) {
+        "extends" -> {
+          superclass =
+              requireNotNull(child.getAttribute("name")) {
+                "Bad XML: <extends> element without name attribute"
+              }
+        }
+        "implements" -> {
+          val interfaceName =
+              requireNotNull(child.getAttribute("name")) {
+                "Bad XML: <implements> element without name attribute"
+              }
+          interfaces.add(interfaceName)
+        }
+      }
+    }
+    output.add(Symbol.createClass(className, superclass, interfaces))
   }
 
   val fields = document.getElementsByTagName("field")
@@ -261,7 +307,7 @@
         requireNotNull(field.getParentNode()?.getAttribute("name")) {
           "Bad XML: top level <field> element"
         }
-    output.add(Symbol.create("${className.replace("/", ".")}.$fieldName"))
+    output.add(Symbol.createField(className, fieldName))
   }
 
   val methods = document.getElementsByTagName("method")
@@ -279,12 +325,13 @@
     var (methodName, methodArgs, _) = methodSignatureParts
     val packageAndClassName =
         requireNotNull(method.getParentNode()?.getAttribute("name")) {
-          "Bad XML: top level <method> element, or <class> element missing name attribute"
-        }
+              "Bad XML: top level <method> element, or <class> element missing name attribute"
+            }
+            .replace("$", "/")
     if (methodName == "<init>") {
       methodName = packageAndClassName.split("/").last()
     }
-    output.add(Symbol.create("${packageAndClassName.replace("/", ".")}.$methodName($methodArgs)"))
+    output.add(Symbol.createMethod(packageAndClassName, "$methodName($methodArgs)"))
   }
 
   return output
@@ -303,15 +350,50 @@
     flags: Map<Flag, Boolean>,
     symbolsInOutput: Set<Symbol>
 ): Set<ApiError> {
+  fun Set<Symbol>.containsSymbol(symbol: Symbol): Boolean {
+    // trivial case: the symbol is explicitly listed in api-versions.xml
+    if (contains(symbol)) {
+      return true
+    }
+
+    // non-trivial case: the symbol could be part of the surrounding class'
+    // super class or interfaces
+    val (className, memberName) =
+        when (symbol) {
+          is ClassSymbol -> return false
+          is MemberSymbol -> {
+            Pair(symbol.clazz, symbol.member)
+          }
+        }
+    val clazz = find { it is ClassSymbol && it.clazz == className } as? ClassSymbol?
+    if (clazz == null) {
+      return false
+    }
+
+    for (interfaceName in clazz.interfaces) {
+      // createMethod is the same as createField, except it allows parenthesis
+      val interfaceSymbol = Symbol.createMethod(interfaceName, memberName)
+      if (contains(interfaceSymbol)) {
+        return true
+      }
+    }
+
+    if (clazz.superclass != null) {
+      val superclassSymbol = Symbol.createMethod(clazz.superclass, memberName)
+      return containsSymbol(superclassSymbol)
+    }
+
+    return false
+  }
   val errors = mutableSetOf<ApiError>()
   for ((symbol, flag) in flaggedSymbolsInSource) {
     try {
       if (flags.getValue(flag)) {
-        if (!symbolsInOutput.contains(symbol)) {
+        if (!symbolsInOutput.containsSymbol(symbol)) {
           errors.add(EnabledFlaggedApiNotPresentError(symbol, flag))
         }
       } else {
-        if (symbolsInOutput.contains(symbol)) {
+        if (symbolsInOutput.containsSymbol(symbol)) {
           errors.add(DisabledFlaggedApiIsPresentError(symbol, flag))
         }
       }
diff --git a/tools/fs_config/Android.bp b/tools/fs_config/Android.bp
index bd9543a..6aa5289 100644
--- a/tools/fs_config/Android.bp
+++ b/tools/fs_config/Android.bp
@@ -258,3 +258,173 @@
     system_ext_specific: true,
     src: ":group_gen_system_ext",
 }
+
+fs_config_cmd = "$(location fs_config_generator) fsconfig " +
+    "--aid-header $(location :android_filesystem_config_header) " +
+    "--capability-header $(location :linux_capability_header) " +
+    "--out_file $(out) "
+fs_config_cmd_dirs = fs_config_cmd + "--dirs "
+fs_config_cmd_files = fs_config_cmd + "--files "
+
+genrule_defaults {
+    name: "fs_config_defaults",
+    tools: ["fs_config_generator"],
+    srcs: [
+        ":android_filesystem_config_header",
+        ":linux_capability_header",
+        ":target_fs_config_gen",
+    ],
+    out: ["out"],
+}
+
+genrule {
+    name: "fs_config_dirs_system_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_dirs +
+        "--partition system " +
+        "--all-partitions vendor,oem,odm,vendor_dlkm,odm_dlkm,system_dlkm " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_dirs_system",
+    filename: "fs_config_dirs",
+    src: ":fs_config_dirs_system_gen",
+}
+
+genrule {
+    name: "fs_config_files_system_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_files +
+        "--partition system " +
+        "--all-partitions vendor,oem,odm,vendor_dlkm,odm_dlkm,system_dlkm " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_files_system",
+    filename: "fs_config_files",
+    src: ":fs_config_files_system_gen",
+}
+
+genrule {
+    name: "fs_config_dirs_system_ext_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_dirs +
+        "--partition system_ext " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_dirs_system_ext",
+    filename: "fs_config_dirs",
+    src: ":fs_config_dirs_system_ext_gen",
+    system_ext_specific: true,
+}
+
+genrule {
+    name: "fs_config_files_system_ext_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_files +
+        "--partition system_ext " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_files_system_ext",
+    filename: "fs_config_files",
+    src: ":fs_config_files_system_ext_gen",
+    system_ext_specific: true,
+}
+
+genrule {
+    name: "fs_config_dirs_product_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_dirs +
+        "--partition product " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_dirs_product",
+    filename: "fs_config_dirs",
+    src: ":fs_config_dirs_product_gen",
+    product_specific: true,
+}
+
+genrule {
+    name: "fs_config_files_product_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_files +
+        "--partition product " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_files_product",
+    filename: "fs_config_files",
+    src: ":fs_config_files_product_gen",
+    product_specific: true,
+}
+
+genrule {
+    name: "fs_config_dirs_vendor_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_dirs +
+        "--partition vendor " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_dirs_vendor",
+    filename: "fs_config_dirs",
+    src: ":fs_config_dirs_vendor_gen",
+    vendor: true,
+}
+
+genrule {
+    name: "fs_config_files_vendor_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_files +
+        "--partition vendor " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_files_vendor",
+    filename: "fs_config_files",
+    src: ":fs_config_files_vendor_gen",
+    vendor: true,
+}
+
+genrule {
+    name: "fs_config_dirs_odm_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_dirs +
+        "--partition odm " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_dirs_odm",
+    filename: "fs_config_dirs",
+    src: ":fs_config_dirs_odm_gen",
+    device_specific: true,
+}
+
+genrule {
+    name: "fs_config_files_odm_gen",
+    defaults: ["fs_config_defaults"],
+    cmd: fs_config_cmd_files +
+        "--partition odm " +
+        "$(locations :target_fs_config_gen)",
+}
+
+prebuilt_etc {
+    name: "fs_config_files_odm",
+    filename: "fs_config_files",
+    src: ":fs_config_files_odm_gen",
+    device_specific: true,
+}
+
+// TODO(jiyong): add fs_config for oem, system_dlkm, vendor_dlkm, odm_dlkm partitions
diff --git a/tools/fs_config/Android.mk b/tools/fs_config/Android.mk
index c36c3aa..e4c3626 100644
--- a/tools/fs_config/Android.mk
+++ b/tools/fs_config/Android.mk
@@ -24,23 +24,8 @@
 $(error Using $(TARGET_DEVICE_DIR)/android_filesystem_config.h is deprecated, please use TARGET_FS_CONFIG_GEN instead)
 endif
 
-system_android_filesystem_config := system/core/libcutils/include/private/android_filesystem_config.h
-system_capability_header := bionic/libc/kernel/uapi/linux/capability.h
-
-# Use snapshots if exist
-vendor_android_filesystem_config := $(strip \
-  $(if $(filter-out current,$(BOARD_VNDK_VERSION)), \
-    $(SOONG_VENDOR_$(BOARD_VNDK_VERSION)_SNAPSHOT_DIR)/include/$(system_android_filesystem_config)))
-ifeq (,$(wildcard $(vendor_android_filesystem_config)))
-vendor_android_filesystem_config := $(system_android_filesystem_config)
-endif
-
-vendor_capability_header := $(strip \
-  $(if $(filter-out current,$(BOARD_VNDK_VERSION)), \
-    $(SOONG_VENDOR_$(BOARD_VNDK_VERSION)_SNAPSHOT_DIR)/include/$(system_capability_header)))
-ifeq (,$(wildcard $(vendor_capability_header)))
-vendor_capability_header := $(system_capability_header)
-endif
+android_filesystem_config := system/core/libcutils/include/private/android_filesystem_config.h
+capability_header := bionic/libc/kernel/uapi/linux/capability.h
 
 # List of supported vendor, oem, odm, vendor_dlkm, odm_dlkm, and system_dlkm Partitions
 fs_config_generate_extra_partition_list := $(strip \
@@ -85,58 +70,6 @@
 include $(BUILD_PHONY_PACKAGE)
 
 ##################################
-# Generate the system_ext/etc/fs_config_dirs binary file for the target if the
-# system_ext partition is generated. Add fs_config_dirs or fs_config_dirs_system_ext
-# to PRODUCT_PACKAGES in the device make file to enable.
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := fs_config_dirs_system_ext
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_REQUIRED_MODULES := $(if $(BOARD_USES_SYSTEM_EXTIMAGE)$(BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE),_fs_config_dirs_system_ext)
-include $(BUILD_PHONY_PACKAGE)
-
-##################################
-# Generate the system_ext/etc/fs_config_files binary file for the target if the
-# system_ext partition is generated. Add fs_config_files or fs_config_files_system_ext
-# to PRODUCT_PACKAGES in the device make file to enable.
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := fs_config_files_system_ext
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_REQUIRED_MODULES := $(if $(BOARD_USES_SYSTEM_EXTIMAGE)$(BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE),_fs_config_files_system_ext)
-include $(BUILD_PHONY_PACKAGE)
-
-##################################
-# Generate the product/etc/fs_config_dirs binary file for the target if the
-# product partition is generated. Add fs_config_dirs or fs_config_dirs_product
-# to PRODUCT_PACKAGES in the device make file to enable.
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := fs_config_dirs_product
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_REQUIRED_MODULES := $(if $(BOARD_USES_PRODUCTIMAGE)$(BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE),_fs_config_dirs_product)
-include $(BUILD_PHONY_PACKAGE)
-
-##################################
-# Generate the product/etc/fs_config_files binary file for the target if the
-# product partition is generated. Add fs_config_files or fs_config_files_product
-# to PRODUCT_PACKAGES in the device make file to enable.
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := fs_config_files_product
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_REQUIRED_MODULES := $(if $(BOARD_USES_PRODUCTIMAGE)$(BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE),_fs_config_files_product)
-include $(BUILD_PHONY_PACKAGE)
-
-##################################
 # Generate the <p>/etc/fs_config_dirs binary files for all enabled partitions
 # excluding /system, /system_ext and /product. Add fs_config_dirs_nonsystem to
 # PRODUCT_PACKAGES in the device make file to enable.
@@ -146,7 +79,7 @@
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_REQUIRED_MODULES := $(foreach t,$(fs_config_generate_extra_partition_list),_fs_config_dirs_$(t))
+LOCAL_REQUIRED_MODULES := $(foreach t,$(fs_config_generate_extra_partition_list),fs_config_dirs_$(t))
 include $(BUILD_PHONY_PACKAGE)
 
 ##################################
@@ -159,122 +92,9 @@
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_REQUIRED_MODULES := $(foreach t,$(fs_config_generate_extra_partition_list),_fs_config_files_$(t))
+LOCAL_REQUIRED_MODULES := $(foreach t,$(fs_config_generate_extra_partition_list),fs_config_files_$(t))
 include $(BUILD_PHONY_PACKAGE)
 
-##################################
-# Generate the system/etc/fs_config_dirs binary file for the target
-# Add fs_config_dirs or fs_config_dirs_system to PRODUCT_PACKAGES in
-# the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := fs_config_dirs_system
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_dirs
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(system_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_PARTITION_LIST := $(fs_config_generate_extra_partition_list)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(system_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition system \
-	   --all-partitions "$(subst $(space),$(comma),$(PRIVATE_PARTITION_LIST))" \
-	   --dirs \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-
-##################################
-# Generate the system/etc/fs_config_files binary file for the target
-# Add fs_config_files or fs_config_files_system to PRODUCT_PACKAGES in
-# the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := fs_config_files_system
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_files
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(system_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_PARTITION_LIST := $(fs_config_generate_extra_partition_list)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(system_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition system \
-	   --all-partitions "$(subst $(space),$(comma),$(PRIVATE_PARTITION_LIST))" \
-	   --files \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-
-ifneq ($(filter vendor,$(fs_config_generate_extra_partition_list)),)
-##################################
-# Generate the vendor/etc/fs_config_dirs binary file for the target
-# Add fs_config_dirs or fs_config_dirs_nonsystem to PRODUCT_PACKAGES
-# in the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := _fs_config_dirs_vendor
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_dirs
-LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/etc
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition vendor \
-	   --dirs \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-
-##################################
-# Generate the vendor/etc/fs_config_files binary file for the target
-# Add fs_config_files or fs_config_files_nonsystem to PRODUCT_PACKAGES
-# in the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := _fs_config_files_vendor
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_files
-LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR)/etc
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition vendor \
-	   --files \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-
-endif
-
 ifneq ($(filter oem,$(fs_config_generate_extra_partition_list)),)
 ##################################
 # Generate the oem/etc/fs_config_dirs binary file for the target
@@ -282,7 +102,7 @@
 # in the device make file to enable
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := _fs_config_dirs_oem
+LOCAL_MODULE := fs_config_dirs_oem
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
@@ -290,10 +110,10 @@
 LOCAL_INSTALLED_MODULE_STEM := fs_config_dirs
 LOCAL_MODULE_PATH := $(TARGET_OUT_OEM)/etc
 include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(system_capability_header)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(android_filesystem_config)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(capability_header)
 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(system_capability_header)
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(android_filesystem_config) $(capability_header)
 	@mkdir -p $(dir $@)
 	$< fsconfig \
 	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
@@ -309,7 +129,7 @@
 # in the device make file to enable
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := _fs_config_files_oem
+LOCAL_MODULE := fs_config_files_oem
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
@@ -317,10 +137,10 @@
 LOCAL_INSTALLED_MODULE_STEM := fs_config_files
 LOCAL_MODULE_PATH := $(TARGET_OUT_OEM)/etc
 include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(system_capability_header)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(android_filesystem_config)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(capability_header)
 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(system_capability_header)
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(android_filesystem_config) $(capability_header)
 	@mkdir -p $(dir $@)
 	$< fsconfig \
 	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
@@ -332,63 +152,6 @@
 
 endif
 
-ifneq ($(filter odm,$(fs_config_generate_extra_partition_list)),)
-##################################
-# Generate the odm/etc/fs_config_dirs binary file for the target
-# Add fs_config_dirs or fs_config_dirs_nonsystem to PRODUCT_PACKAGES
-# in the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := _fs_config_dirs_odm
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_dirs
-LOCAL_MODULE_PATH := $(TARGET_OUT_ODM)/etc
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition odm \
-	   --dirs \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-
-##################################
-# Generate the odm/etc/fs_config_files binary file for the target
-# Add fs_config_files or fs_config_files_nonsystem to PRODUCT_PACKAGES
-# in the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := _fs_config_files_odm
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_files
-LOCAL_MODULE_PATH := $(TARGET_OUT_ODM)/etc
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition odm \
-	   --files \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-
-endif
-
 ifneq ($(filter vendor_dlkm,$(fs_config_generate_extra_partition_list)),)
 ##################################
 # Generate the vendor_dlkm/etc/fs_config_dirs binary file for the target
@@ -396,7 +159,7 @@
 # the device make file to enable
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := _fs_config_dirs_vendor_dlkm
+LOCAL_MODULE := fs_config_dirs_vendor_dlkm
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
@@ -404,10 +167,10 @@
 LOCAL_INSTALLED_MODULE_STEM := fs_config_dirs
 LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR_DLKM)/etc
 include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(android_filesystem_config)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(capability_header)
 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(android_filesystem_config) $(capability_header)
 	@mkdir -p $(dir $@)
 	$< fsconfig \
 	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
@@ -423,7 +186,7 @@
 # the device make file to enable
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := _fs_config_files_vendor_dlkm
+LOCAL_MODULE := fs_config_files_vendor_dlkm
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
@@ -431,10 +194,10 @@
 LOCAL_INSTALLED_MODULE_STEM := fs_config_files
 LOCAL_MODULE_PATH := $(TARGET_OUT_VENDOR_DLKM)/etc
 include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(android_filesystem_config)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(capability_header)
 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(android_filesystem_config) $(capability_header)
 	@mkdir -p $(dir $@)
 	$< fsconfig \
 	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
@@ -453,7 +216,7 @@
 # in the device make file to enable
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := _fs_config_dirs_odm_dlkm
+LOCAL_MODULE := fs_config_dirs_odm_dlkm
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
@@ -461,10 +224,10 @@
 LOCAL_INSTALLED_MODULE_STEM := fs_config_dirs
 LOCAL_MODULE_PATH := $(TARGET_OUT_ODM_DLKM)/etc
 include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(android_filesystem_config)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(capability_header)
 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(android_filesystem_config) $(capability_header)
 	@mkdir -p $(dir $@)
 	$< fsconfig \
 	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
@@ -480,7 +243,7 @@
 # in the device make file to enable
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := _fs_config_files_odm_dlkm
+LOCAL_MODULE := fs_config_files_odm_dlkm
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
@@ -488,10 +251,10 @@
 LOCAL_INSTALLED_MODULE_STEM := fs_config_files
 LOCAL_MODULE_PATH := $(TARGET_OUT_ODM_DLKM)/etc
 include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(android_filesystem_config)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(capability_header)
 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(android_filesystem_config) $(capability_header)
 	@mkdir -p $(dir $@)
 	$< fsconfig \
 	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
@@ -510,7 +273,7 @@
 # in the device make file to enable
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := _fs_config_dirs_system_dlkm
+LOCAL_MODULE := fs_config_dirs_system_dlkm
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
@@ -518,10 +281,10 @@
 LOCAL_INSTALLED_MODULE_STEM := fs_config_dirs
 LOCAL_MODULE_PATH := $(TARGET_OUT_SYSTEM_DLKM)/etc
 include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(android_filesystem_config)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(capability_header)
 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(android_filesystem_config) $(capability_header)
 	@mkdir -p $(dir $@)
 	$< fsconfig \
 	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
@@ -537,7 +300,7 @@
 # in the device make file to enable
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := _fs_config_files_system_dlkm
+LOCAL_MODULE := fs_config_files_system_dlkm
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
@@ -545,10 +308,10 @@
 LOCAL_INSTALLED_MODULE_STEM := fs_config_files
 LOCAL_MODULE_PATH := $(TARGET_OUT_SYSTEM_DLKM)/etc
 include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(vendor_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(android_filesystem_config)
+$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(capability_header)
 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(vendor_android_filesystem_config) $(vendor_capability_header)
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(android_filesystem_config) $(capability_header)
 	@mkdir -p $(dir $@)
 	$< fsconfig \
 	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
@@ -560,118 +323,6 @@
 
 endif
 
-ifneq ($(BOARD_USES_PRODUCTIMAGE)$(BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE),)
-##################################
-# Generate the product/etc/fs_config_dirs binary file for the target
-# Add fs_config_dirs or fs_config_dirs_product to PRODUCT_PACKAGES in
-# the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := _fs_config_dirs_product
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_dirs
-LOCAL_MODULE_PATH := $(TARGET_OUT_PRODUCT)/etc
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(system_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(system_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition product \
-	   --dirs \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-
-##################################
-# Generate the product/etc/fs_config_files binary file for the target
-# Add fs_config_files or fs_config_files_product to PRODUCT_PACKAGES in
-# the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := _fs_config_files_product
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_files
-LOCAL_MODULE_PATH := $(TARGET_OUT_PRODUCT)/etc
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(system_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(system_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition product \
-	   --files \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-endif
-
-ifneq ($(BOARD_USES_SYSTEM_EXTIMAGE)$(BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE),)
-##################################
-# Generate the system_ext/etc/fs_config_dirs binary file for the target
-# Add fs_config_dirs or fs_config_dirs_system_ext to PRODUCT_PACKAGES in
-# the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := _fs_config_dirs_system_ext
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_dirs
-LOCAL_MODULE_PATH := $(TARGET_OUT_SYSTEM_EXT)/etc
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(system_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(system_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition system_ext \
-	   --dirs \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-
-##################################
-# Generate the system_ext/etc/fs_config_files binary file for the target
-# Add fs_config_files or fs_config_files_system_ext to PRODUCT_PACKAGES in
-# the device make file to enable
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := _fs_config_files_system_ext
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_NOTICE_FILE := build/soong/licenses/LICENSE
-LOCAL_MODULE_CLASS := ETC
-LOCAL_INSTALLED_MODULE_STEM := fs_config_files
-LOCAL_MODULE_PATH := $(TARGET_OUT_SYSTEM_EXT)/etc
-include $(BUILD_SYSTEM)/base_rules.mk
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config)
-$(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_CAP_HDR := $(system_capability_header)
-$(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN)
-$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(system_capability_header)
-	@mkdir -p $(dir $@)
-	$< fsconfig \
-	   --aid-header $(PRIVATE_ANDROID_FS_HDR) \
-	   --capability-header $(PRIVATE_ANDROID_CAP_HDR) \
-	   --partition system_ext \
-	   --files \
-	   --out_file $@ \
-	   $(or $(PRIVATE_TARGET_FS_CONFIG_GEN),/dev/null)
-endif
-
-system_android_filesystem_config :=
-system_capability_header :=
+android_filesystem_config :=
+capability_header :=
 fs_config_generate_extra_partition_list :=
diff --git a/tools/releasetools/Android.bp b/tools/releasetools/Android.bp
index 9385f0c..9b134f2 100644
--- a/tools/releasetools/Android.bp
+++ b/tools/releasetools/Android.bp
@@ -632,7 +632,6 @@
     data: [
         "testdata/**/*",
         ":com.android.apex.compressed.v1",
-        ":com.android.apex.compressed.v1_original",
         ":com.android.apex.vendor.foo.with_vintf"
     ],
     target: {
diff --git a/tools/releasetools/ota_utils.py b/tools/releasetools/ota_utils.py
index 048a497..81b53dc 100644
--- a/tools/releasetools/ota_utils.py
+++ b/tools/releasetools/ota_utils.py
@@ -1111,9 +1111,10 @@
       relative_path = path.removeprefix(input_dir).removeprefix("/")
       if not Fnmatch(relative_path, UNZIP_PATTERN):
         continue
-      if filename.endswith(".prop") or filename == "prop.default" or "/etc/vintf/" in relative_path:
-        target_path = os.path.join(
-            output_dir, relative_path)
-        os.makedirs(os.path.dirname(target_path), exist_ok=True)
-        shutil.copy(path, target_path)
+      target_path = os.path.join(
+          output_dir, relative_path)
+      if os.path.exists(target_path):
+        continue
+      os.makedirs(os.path.dirname(target_path), exist_ok=True)
+      shutil.copy(path, target_path)
   return output_dir