diff --git a/core/local_systemsdk.mk b/core/local_systemsdk.mk
index 2b73f93..460073d 100644
--- a/core/local_systemsdk.mk
+++ b/core/local_systemsdk.mk
@@ -15,7 +15,7 @@
 #
 
 ifdef BOARD_SYSTEMSDK_VERSIONS
-  # Apps and jars in vendor or odm partition are forced to build against System SDK.
+  # Apps and jars in vendor, product or odm partition are forced to build against System SDK.
   _cannot_use_platform_apis :=
   ifneq (,$(filter true,$(LOCAL_VENDOR_MODULE) $(LOCAL_ODM_MODULE) $(LOCAL_PROPRIETARY_MODULE)))
     # Note: no need to check LOCAL_MODULE_PATH* since LOCAL_[VENDOR|ODM|OEM]_MODULE is already
@@ -29,9 +29,9 @@
   ifneq (,$(filter JAVA_LIBRARIES APPS,$(LOCAL_MODULE_CLASS)))
     ifndef LOCAL_SDK_VERSION
       ifeq ($(_cannot_use_platform_apis),true)
-        ifeq (,$(findstring __auto_generated_rro_,$(LOCAL_MODULE)))
+        ifeq (,$(LOCAL_IS_RUNTIME_RESOURCE_OVERLAY))
           # Runtime resource overlays are exempted from building against System SDK.
-          # TODO(b/35859726): remove this exception
+          # TODO(b/155027019): remove this, after no product/vendor apps rely on this behavior.
           LOCAL_SDK_VERSION := system_current
         endif
       endif
diff --git a/core/main.mk b/core/main.mk
index 9d2b7cb..f8b06b9 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -1173,13 +1173,13 @@
   # Verify the artifact path requirements made by included products.
   is_asan := $(if $(filter address,$(SANITIZE_TARGET)),true)
   ifneq (true,$(or $(is_asan),$(DISABLE_ARTIFACT_PATH_REQUIREMENTS)))
-  # Fakes don't get installed, host files are irrelevant, and NDK stubs aren't installed to device.
-  static_whitelist_patterns := $(TARGET_OUT_FAKE)/% $(HOST_OUT)/% $(SOONG_OUT_DIR)/ndk/%
+  # Fakes don't get installed, and NDK stubs aren't installed to device.
+  static_whitelist_patterns := $(TARGET_OUT_FAKE)/% $(SOONG_OUT_DIR)/ndk/%
   # RROs become REQUIRED by the source module, but are always placed on the vendor partition.
   static_whitelist_patterns += %__auto_generated_rro_product.apk
   static_whitelist_patterns += %__auto_generated_rro_vendor.apk
   # Auto-included targets are not considered
-  static_whitelist_patterns += $(call module-installed-files,$(call auto-included-modules))
+  static_whitelist_patterns += $(call product-installed-files,)
   # $(PRODUCT_OUT)/apex is where shared libraries in APEXes get installed.
   # The path can be considered as a fake path, as the shared libraries
   # are installed there just to have symbols files for them under
diff --git a/core/tasks/vts-core-tests.mk b/core/tasks/vts-core-tests.mk
index 08663c2..4e83de5 100644
--- a/core/tasks/vts-core-tests.mk
+++ b/core/tasks/vts-core-tests.mk
@@ -21,8 +21,28 @@
 # Some repo may not include vts project.
 -include test/vts/tools/build/tasks/framework/vts_for_core_suite.mk
 
+# Copy kernel test modules to testcases directories
+kernel_test_host_out := $(HOST_OUT_TESTCASES)/vts_kernel_tests
+kernel_test_vts_out := $(HOST_OUT)/$(test_suite_name)/android-$(test_suite_name)/testcases/vts_kernel_tests
+kernel_test_modules := \
+    $(kselftest_modules) \
+    ltp \
+    $(ltp_packages)
+
+kernel_test_copy_pairs := \
+  $(call target-native-copy-pairs,$(kernel_test_modules),$(kernel_test_vts_out)) \
+  $(call target-native-copy-pairs,$(kernel_test_modules),$(kernel_test_host_out))
+
+copy_kernel_tests := $(call copy-many-files,$(kernel_test_copy_pairs))
+
+# PHONY target to be used to build and test `vts_kernel_tests` without building full vts
+.PHONY: vts_kernel_tests
+vts_kernel_tests: $(copy_kernel_tests)
+
 include $(BUILD_SYSTEM)/tasks/tools/compatibility.mk
 
+$(compatibility_zip): $(copy_kernel_tests)
+
 .PHONY: vts
 $(compatibility_zip): $(vts_test_artifact_paths)
 vts: $(compatibility_zip)
diff --git a/target/board/generic_arm64/BoardConfig.mk b/target/board/generic_arm64/BoardConfig.mk
index 91d5692..d793c38 100644
--- a/target/board/generic_arm64/BoardConfig.mk
+++ b/target/board/generic_arm64/BoardConfig.mk
@@ -54,6 +54,8 @@
 
 include build/make/target/board/BoardConfigGsiCommon.mk
 
+BOARD_EXT4_SHARE_DUP_BLOCKS := true
+
 TARGET_NO_KERNEL := false
 TARGET_NO_VENDOR_BOOT := true
 BOARD_USES_RECOVERY_AS_BOOT := true
diff --git a/tools/releasetools/ota_from_target_files.py b/tools/releasetools/ota_from_target_files.py
index 2126d11..92a46a2 100755
--- a/tools/releasetools/ota_from_target_files.py
+++ b/tools/releasetools/ota_from_target_files.py
@@ -318,7 +318,7 @@
     common.RunAndCheckOutput(cmd)
     with open(out_signature_size_file) as f:
       signature_size = f.read().rstrip()
-    logger.info("% outputs the maximum signature size: %", cmd[0],
+    logger.info("%s outputs the maximum signature size: %s", cmd[0],
                 signature_size)
     return int(signature_size)