diff --git a/CleanSpec.mk b/CleanSpec.mk
index 8219afc..949e88d 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -646,6 +646,10 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/odm/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/vendor/odm/build.prop)
 
+# Remove libcameraservice and libcamera_client from base_system
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib*/libcameraservice.so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib*/libcamera_client.so)
+
 # Move product and system_ext to root for emulators
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/product/generic*/*/product)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/product/generic*/*/system_ext)
@@ -681,6 +685,10 @@
 # Migrate preopt files to system_other for some devices
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/*/*app/*/oat)
 
+# Remove Android Core Library artifacts from the system partition, now
+# that they live in the ART APEX (b/142944799).
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/framework/*.jar)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/core/Makefile b/core/Makefile
index c623eb9..6015796 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -2557,7 +2557,7 @@
   $(if $(filter $(DEXPREOPT.$(m).INSTALLED_STRIPPED),$(ALL_DEFAULT_INSTALLED_MODULES)),$(m))))
 pdk_classes_dex := $(strip \
   $(foreach m,$(pdk_odex_javalibs),$(call intermediates-dir-for,JAVA_LIBRARIES,$(m),,COMMON)/javalib.jar) \
-  $(foreach m,$(pdk_odex_apps),$(call intermediates-dir-for,APPS,$(m))/package.dex.apk))
+  $(foreach m,$(pdk_odex_apps),$(call intermediates-dir-for,APPS,$(m))/package.apk))
 
 pdk_odex_config_mk := $(PRODUCT_OUT)/pdk_dexpreopt_config.mk
 $(pdk_odex_config_mk): PRIVATE_JAVA_LIBRARIES := $(pdk_odex_javalibs)
@@ -2575,7 +2575,7 @@
 	  $(hide) echo "PDK.DEXPREOPT.$(m).DEX_PREOPT_FLAGS:=$(DEXPREOPT.$(m).DEX_PREOPT_FLAGS)" >> $@$(newline)\
 	  )
 	$(foreach m,$(PRIVATE_APPS),\
-	  $(hide) echo "PDK.DEXPREOPT.$(m).SRC:=$(patsubst $(OUT_DIR)/%,%,$(call intermediates-dir-for,APPS,$(m))/package.dex.apk)" >> $@$(newline)\
+	  $(hide) echo "PDK.DEXPREOPT.$(m).SRC:=$(patsubst $(OUT_DIR)/%,%,$(call intermediates-dir-for,APPS,$(m))/package.apk)" >> $@$(newline)\
 	  $(hide) echo "PDK.DEXPREOPT.$(m).DEX_PREOPT:=$(DEXPREOPT.$(m).DEX_PREOPT)" >> $@$(newline)\
 	  $(hide) echo "PDK.DEXPREOPT.$(m).MULTILIB:=$(DEXPREOPT.$(m).MULTILIB)" >> $@$(newline)\
 	  $(hide) echo "PDK.DEXPREOPT.$(m).DEX_PREOPT_FLAGS:=$(DEXPREOPT.$(m).DEX_PREOPT_FLAGS)" >> $@$(newline)\
@@ -3891,7 +3891,7 @@
 ifneq (,$(wildcard device))
 INTERNAL_OTATOOLS_PACKAGE_FILES += \
   $(sort $(shell find device $(wildcard vendor) -type f -name "*.pk8" -o -name "verifiedboot*" -o \
-      -name "*.x509.pem" -o -name "oem*.prop"))
+      -name "*.pem" -o -name "oem*.prop" -o -name "*.avbpubkey"))
 endif
 ifneq (,$(wildcard external/avb))
 INTERNAL_OTATOOLS_PACKAGE_FILES += \
@@ -4241,10 +4241,6 @@
 	    $(HOST_OUT_EXECUTABLES)/fs_config \
 	    $(ADD_IMG_TO_TARGET_FILES) \
 	    $(MAKE_RECOVERY_PATCH) \
-	    $(BUILT_ASSEMBLED_FRAMEWORK_MANIFEST) \
-	    $(BUILT_ASSEMBLED_VENDOR_MANIFEST) \
-	    $(BUILT_SYSTEM_MATRIX) \
-	    $(BUILT_VENDOR_MATRIX) \
 	    $(BUILT_KERNEL_CONFIGS_FILE) \
 	    $(BUILT_KERNEL_VERSION_FILE) \
 	    | $(ACP)
@@ -4507,16 +4503,6 @@
 	$(hide) $(call fs_config,$(zip_root)/SYSTEM_OTHER,system/) > $(zip_root)/META/system_other_filesystem_config.txt
 endif
 	@# Metadata for compatibility verification.
-	$(hide) cp $(BUILT_SYSTEM_MATRIX) $(zip_root)/META/system_matrix.xml
-ifdef BUILT_ASSEMBLED_FRAMEWORK_MANIFEST
-	$(hide) cp $(BUILT_ASSEMBLED_FRAMEWORK_MANIFEST) $(zip_root)/META/system_manifest.xml
-endif
-ifdef BUILT_ASSEMBLED_VENDOR_MANIFEST
-	$(hide) cp $(BUILT_ASSEMBLED_VENDOR_MANIFEST) $(zip_root)/META/vendor_manifest.xml
-endif
-ifdef BUILT_VENDOR_MATRIX
-	$(hide) cp $(BUILT_VENDOR_MATRIX) $(zip_root)/META/vendor_matrix.xml
-endif
 ifdef BUILT_KERNEL_CONFIGS_FILE
 	$(hide) cp $(BUILT_KERNEL_CONFIGS_FILE) $(zip_root)/META/kernel_configs.txt
 endif
@@ -5088,6 +5074,7 @@
 	$(target_notice_file_txt) \
 	$(tools_notice_file_txt) \
 	$(OUT_DOCS)/offline-sdk-timestamp \
+	$(SDK_METADATA_FILES) \
 	$(SYMBOLS_ZIP) \
 	$(COVERAGE_ZIP) \
 	$(APPCOMPAT_ZIP) \
diff --git a/core/app_prebuilt_internal.mk b/core/app_prebuilt_internal.mk
index 399d173..ce554c9 100644
--- a/core/app_prebuilt_internal.mk
+++ b/core/app_prebuilt_internal.mk
@@ -215,17 +215,6 @@
 $(LOCAL_BUILT_MODULE): PRIVATE_INSTALLED_MODULE := $(LOCAL_INSTALLED_MODULE)
 endif
 
-ifneq ($(BUILD_PLATFORM_ZIP),)
-$(built_module) : .KATI_IMPLICIT_OUTPUTS := $(dir $(LOCAL_BUILT_MODULE))package.dex.apk
-endif
-ifneq ($(LOCAL_CERTIFICATE),PRESIGNED)
-ifdef LOCAL_DEX_PREOPT
-$(built_module) : PRIVATE_STRIP_SCRIPT := $(intermediates)/strip.sh
-$(built_module) : $(intermediates)/strip.sh
-$(built_module) : | $(DEXPREOPT_STRIP_DEPS)
-$(built_module) : .KATI_DEPFILE := $(built_module).d
-endif
-endif
 ifeq ($(module_run_appcompat),true)
 $(built_module) : $(AAPT2)
 endif
@@ -235,23 +224,11 @@
 ifeq (true, $(LOCAL_UNCOMPRESS_DEX))
 	$(uncompress-dexs)
 endif  # LOCAL_UNCOMPRESS_DEX
-ifdef LOCAL_DEX_PREOPT
-ifneq ($(BUILD_PLATFORM_ZIP),)
-	@# Keep a copy of apk with classes.dex unstripped
-	$(hide) cp -f $@ $(dir $@)package.dex.apk
-endif  # BUILD_PLATFORM_ZIP
-endif  # LOCAL_DEX_PREOPT
 ifneq ($(LOCAL_CERTIFICATE),PRESIGNED)
-	@# Only strip out files if we can re-sign the package.
-# Run appcompat before stripping the classes.dex file.
 ifeq ($(module_run_appcompat),true)
 	$(call appcompat-header, aapt2)
 	$(run-appcompat)
 endif  # module_run_appcompat
-ifdef LOCAL_DEX_PREOPT
-	mv -f $@ $@.tmp
-	$(PRIVATE_STRIP_SCRIPT) $@.tmp $@
-endif  # LOCAL_DEX_PREOPT
 	$(sign-package)
 	# No need for align-package because sign-package takes care of alignment
 else  # LOCAL_CERTIFICATE == PRESIGNED
diff --git a/core/build_id.mk b/core/build_id.mk
index 2329288..03a8cd3 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-BUILD_ID=QT
+BUILD_ID=QD1A.190821.011
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 24cca5a..4818c01 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -56,7 +56,7 @@
 LOCAL_DEX_PREOPT_FLAGS:=
 LOCAL_DEX_PREOPT_GENERATE_PROFILE:=
 LOCAL_DEX_PREOPT_PROFILE_CLASS_LISTING:=
-LOCAL_DEX_PREOPT:= # '',true,false,nostripping
+LOCAL_DEX_PREOPT:= # '',true,false
 LOCAL_DISABLE_AUTO_GENERATE_TEST_CONFIG:=
 LOCAL_DISABLE_RESOLVE_SUPPORT_LIBRARIES:=
 LOCAL_DONT_CHECK_MODULE:=
@@ -73,6 +73,7 @@
 LOCAL_DROIDDOC_DOC_ZIP :=
 LOCAL_DROIDDOC_JDIFF_DOC_ZIP :=
 LOCAL_DROIDDOC_HTML_DIR:=
+LOCAL_DROIDDOC_METADATA_ZIP:=
 LOCAL_DROIDDOC_OPTIONS:=
 LOCAL_DROIDDOC_SOURCE_PATH:=
 LOCAL_DROIDDOC_STUB_OUT_DIR:=
diff --git a/core/config.mk b/core/config.mk
index 241ac8d..477d764 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -627,16 +627,6 @@
 
 EXTRACT_KERNEL := build/make/tools/extract_kernel.py
 
-USE_OPENJDK9 := true
-
-ifeq ($(EXPERIMENTAL_JAVA_LANGUAGE_LEVEL_9),)
-TARGET_OPENJDK9 := true
-else ifeq ($(EXPERIMENTAL_JAVA_LANGUAGE_LEVEL_9),true)
-TARGET_OPENJDK9 := true
-else ifeq ($(EXPERIMENTAL_JAVA_LANGUAGE_LEVEL_9),false)
-TARGET_OPENJDK9 :=
-endif
-
 # Path to tools.jar
 HOST_JDK_TOOLS_JAR := $(ANDROID_JAVA8_HOME)/lib/tools.jar
 
diff --git a/core/config_sanitizers.mk b/core/config_sanitizers.mk
index 2439f79..efb21e7 100644
--- a/core/config_sanitizers.mk
+++ b/core/config_sanitizers.mk
@@ -182,7 +182,9 @@
   my_shared_libraries += $($(LOCAL_2ND_ARCH_VAR_PREFIX)HWADDRESS_SANITIZER_RUNTIME_LIBRARY)
   ifneq ($(filter EXECUTABLES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),)
     ifeq ($(LOCAL_FORCE_STATIC_EXECUTABLE),true)
-      my_static_libraries := $(my_static_libraries) $($(LOCAL_2ND_ARCH_VAR_PREFIX)HWADDRESS_SANITIZER_STATIC_LIBRARY)
+      my_static_libraries := $(my_static_libraries) \
+                             $($(LOCAL_2ND_ARCH_VAR_PREFIX)HWADDRESS_SANITIZER_STATIC_LIBRARY) \
+                             libdl
     endif
   endif
 endif
diff --git a/core/cxx_stl_setup.mk b/core/cxx_stl_setup.mk
index 95b1090..6571d99 100644
--- a/core/cxx_stl_setup.mk
+++ b/core/cxx_stl_setup.mk
@@ -82,7 +82,7 @@
         endif
 
         ifeq ($(my_link_type),static)
-            my_static_libraries += libm libc libdl
+            my_static_libraries += libm libc
         endif
     endif
 else ifeq ($(my_cxx_stl),ndk)
diff --git a/core/definitions.mk b/core/definitions.mk
index a8bf4d5..1bf7fa9 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2454,7 +2454,6 @@
 $(2): \
 	$(1) \
 	$(HOST_INIT_VERIFIER) \
-	$(HIDL_INHERITANCE_HIERARCHY) \
 	$(call intermediates-dir-for,ETC,passwd_system)/passwd_system \
 	$(call intermediates-dir-for,ETC,passwd_vendor)/passwd_vendor \
 	$(call intermediates-dir-for,ETC,passwd_odm)/passwd_odm \
@@ -2464,7 +2463,7 @@
 	  -p $(call intermediates-dir-for,ETC,passwd_vendor)/passwd_vendor \
 	  -p $(call intermediates-dir-for,ETC,passwd_odm)/passwd_odm \
 	  -p $(call intermediates-dir-for,ETC,passwd_product)/passwd_product \
-	  -i $(HIDL_INHERITANCE_HIERARCHY) $$<
+	  $$<
 else
 $(2): $(1)
 endif
diff --git a/core/dex_preopt_config.mk b/core/dex_preopt_config.mk
index cfe918f..3875815 100644
--- a/core/dex_preopt_config.mk
+++ b/core/dex_preopt_config.mk
@@ -14,16 +14,9 @@
     product/app/% \
     product/priv-app/% \
 
-# The default values for pre-opting. To support the runtime module we ensure no dex files
-# get stripped.
-ifeq ($(PRODUCT_DEX_PREOPT_NEVER_ALLOW_STRIPPING),)
-  PRODUCT_DEX_PREOPT_NEVER_ALLOW_STRIPPING := true
-endif
 # Conditional to building on linux, as dex2oat currently does not work on darwin.
 ifeq ($(HOST_OS),linux)
   ifeq (eng,$(TARGET_BUILD_VARIANT))
-    # Don't strip for quick development turnarounds.
-    DEX_PREOPT_DEFAULT := nostripping
     # For an eng build only pre-opt the boot image and system server. This gives reasonable performance
     # and still allows a simple workflow: building in frameworks/base and syncing.
     WITH_DEXPREOPT_BOOT_IMG_AND_SYSTEM_SERVER_ONLY ?= true
@@ -87,7 +80,6 @@
 
   $(call json_start)
 
-  $(call add_json_bool, DefaultNoStripping,                 $(filter nostripping,$(DEX_PREOPT_DEFAULT)))
   $(call add_json_bool, DisablePreopt,                      $(call invert_bool,$(filter true,$(WITH_DEXPREOPT))))
   $(call add_json_list, DisablePreoptModules,               $(DEXPREOPT_DISABLED_MODULES))
   $(call add_json_bool, OnlyPreoptBootImageAndSystemServer, $(filter true,$(WITH_DEXPREOPT_BOOT_IMG_AND_SYSTEM_SERVER_ONLY)))
@@ -174,6 +166,3 @@
   $(SOONG_ZIP) \
   $(ZIP2ZIP) \
   $(BUILD_SYSTEM)/construct_context.sh \
-
-DEXPREOPT_STRIP_DEPS := \
-  $(ZIP2ZIP) \
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 50e922e..6705c82 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -207,8 +207,7 @@
 
   $(call json_start)
 
-  # DexPath, StripInputPath, and StripOutputPath are not set, they will
-  # be filled in by dexpreopt_gen.
+  # DexPath is not set: it will be filled in by dexpreopt_gen.
 
   $(call add_json_str,  Name,                           $(LOCAL_MODULE))
   $(call add_json_str,  DexLocation,                    $(patsubst $(PRODUCT_OUT)%,%,$(LOCAL_INSTALLED_MODULE)))
@@ -237,13 +236,10 @@
   $(call add_json_bool, ForceCreateAppImage,            $(filter true,$(LOCAL_DEX_PREOPT_APP_IMAGE)))
   $(call add_json_bool, PresignedPrebuilt,              $(filter PRESIGNED,$(LOCAL_CERTIFICATE)))
 
-  $(call add_json_bool, NoStripping,                    $(filter nostripping,$(LOCAL_DEX_PREOPT)))
-
   $(call json_end)
 
   my_dexpreopt_config := $(intermediates)/dexpreopt.config
   my_dexpreopt_script := $(intermediates)/dexpreopt.sh
-  my_strip_script := $(intermediates)/strip.sh
   my_dexpreopt_zip := $(intermediates)/dexpreopt.zip
 
   $(my_dexpreopt_config): PRIVATE_MODULE := $(LOCAL_MODULE)
@@ -252,17 +248,15 @@
 	@echo "$(PRIVATE_MODULE) dexpreopt.config"
 	echo -e -n '$(subst $(newline),\n,$(subst ','\'',$(subst \,\\,$(PRIVATE_CONTENTS))))' > $@
 
-  .KATI_RESTAT: $(my_dexpreopt_script) $(my_strip_script)
+  .KATI_RESTAT: $(my_dexpreopt_script)
   $(my_dexpreopt_script): PRIVATE_MODULE := $(LOCAL_MODULE)
   $(my_dexpreopt_script): PRIVATE_GLOBAL_CONFIG := $(DEX_PREOPT_CONFIG_FOR_MAKE)
   $(my_dexpreopt_script): PRIVATE_MODULE_CONFIG := $(my_dexpreopt_config)
-  $(my_dexpreopt_script): PRIVATE_STRIP_SCRIPT := $(my_strip_script)
-  $(my_dexpreopt_script): .KATI_IMPLICIT_OUTPUTS := $(my_strip_script)
   $(my_dexpreopt_script): $(DEXPREOPT_GEN)
   $(my_dexpreopt_script): $(my_dexpreopt_config) $(DEX_PREOPT_CONFIG_FOR_MAKE)
 	@echo "$(PRIVATE_MODULE) dexpreopt gen"
 	$(DEXPREOPT_GEN) -global $(PRIVATE_GLOBAL_CONFIG) -module $(PRIVATE_MODULE_CONFIG) \
-	-dexpreopt_script $@ -strip_script $(PRIVATE_STRIP_SCRIPT) \
+	-dexpreopt_script $@ \
 	-out_dir $(OUT_DIR)
 
   my_dexpreopt_deps := $(my_dex_jar)
@@ -302,6 +296,5 @@
 
   my_dexpreopt_config :=
   my_dexpreopt_script :=
-  my_strip_script :=
   my_dexpreopt_zip :=
 endif # LOCAL_DEX_PREOPT
diff --git a/core/java.mk b/core/java.mk
index d080450..99774cf 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -358,9 +358,7 @@
 
 # Temporarily enable --multi-dex until proguard supports v53 class files
 # ( http://b/67673860 ) or we move away from proguard altogether.
-ifdef TARGET_OPENJDK9
 LOCAL_DX_FLAGS := $(filter-out --multi-dex,$(LOCAL_DX_FLAGS)) --multi-dex
-endif
 
 full_classes_pre_proguard_jar := $(LOCAL_FULL_CLASSES_JACOCO_JAR)
 
diff --git a/core/java_common.mk b/core/java_common.mk
index dfe75f3..f6e01d2 100644
--- a/core/java_common.mk
+++ b/core/java_common.mk
@@ -33,8 +33,7 @@
     # TODO(ccross): allow 1.9 for current and unbundled once we have SDK system modules
     LOCAL_JAVA_LANGUAGE_VERSION := 1.8
   else
-    # DEFAULT_JAVA_LANGUAGE_VERSION is 1.8, unless TARGET_OPENJDK9 in which case it is 1.9
-    LOCAL_JAVA_LANGUAGE_VERSION := $(DEFAULT_JAVA_LANGUAGE_VERSION)
+    LOCAL_JAVA_LANGUAGE_VERSION := 1.9
   endif
 endif
 LOCAL_JAVACFLAGS += -source $(LOCAL_JAVA_LANGUAGE_VERSION) -target $(LOCAL_JAVA_LANGUAGE_VERSION)
diff --git a/core/java_library.mk b/core/java_library.mk
index 4734eaf..3ac03dc 100644
--- a/core/java_library.mk
+++ b/core/java_library.mk
@@ -85,17 +85,6 @@
 
 .KATI_RESTAT: $(common_javalib.jar)
 
-ifdef LOCAL_DEX_PREOPT
-
-$(LOCAL_BUILT_MODULE): PRIVATE_STRIP_SCRIPT := $(intermediates)/strip.sh
-$(LOCAL_BUILT_MODULE): $(intermediates)/strip.sh
-$(LOCAL_BUILT_MODULE): | $(DEXPREOPT_STRIP_DEPS)
-$(LOCAL_BUILT_MODULE): .KATI_DEPFILE := $(LOCAL_BUILT_MODULE).d
-$(LOCAL_BUILT_MODULE): $(common_javalib.jar)
-	$(PRIVATE_STRIP_SCRIPT) $< $@
-
-else # LOCAL_DEX_PREOPT
 $(eval $(call copy-one-file,$(common_javalib.jar),$(LOCAL_BUILT_MODULE)))
 
-endif # LOCAL_DEX_PREOPT
 endif # !LOCAL_IS_STATIC_JAVA_LIBRARY
diff --git a/core/java_prebuilt_internal.mk b/core/java_prebuilt_internal.mk
index 5b7e9db..8a2091e 100644
--- a/core/java_prebuilt_internal.mk
+++ b/core/java_prebuilt_internal.mk
@@ -45,19 +45,8 @@
 # defines built_odex along with rule to install odex
 include $(BUILD_SYSTEM)/dex_preopt_odex_install.mk
 #######################################
-ifdef LOCAL_DEX_PREOPT
-
-$(built_module): PRIVATE_STRIP_SCRIPT := $(intermediates)/strip.sh
-$(built_module): $(intermediates)/strip.sh
-$(built_module): | $(DEXPREOPT_STRIP_DEPS)
-$(built_module): .KATI_DEPFILE := $(built_module).d
-$(built_module): $(my_prebuilt_src_file)
-	$(PRIVATE_STRIP_SCRIPT) $< $@
-
-else # ! LOCAL_DEX_PREOPT
 $(built_module) : $(my_prebuilt_src_file)
 	$(call copy-file-to-target)
-endif # LOCAL_DEX_PREOPT
 
 else  # ! prebuilt_module_is_dex_javalib
 $(built_module) : $(my_prebuilt_src_file)
diff --git a/core/package_internal.mk b/core/package_internal.mk
index eb3c67d..7bbaeb6 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -538,15 +538,6 @@
 ifeq (true, $(LOCAL_UNCOMPRESS_DEX))
 $(LOCAL_BUILT_MODULE) : $(ZIP2ZIP)
 endif
-ifneq ($(BUILD_PLATFORM_ZIP),)
-$(LOCAL_BUILT_MODULE) : .KATI_IMPLICIT_OUTPUTS := $(dir $(LOCAL_BUILT_MODULE))package.dex.apk
-endif
-ifdef LOCAL_DEX_PREOPT
-$(LOCAL_BUILT_MODULE) : PRIVATE_STRIP_SCRIPT := $(intermediates)/strip.sh
-$(LOCAL_BUILT_MODULE) : $(intermediates)/strip.sh
-$(LOCAL_BUILT_MODULE) : | $(DEXPREOPT_STRIP_DEPS)
-$(LOCAL_BUILT_MODULE): .KATI_DEPFILE := $(LOCAL_BUILT_MODULE).d
-endif
 $(LOCAL_BUILT_MODULE): PRIVATE_USE_EMBEDDED_NATIVE_LIBS := $(LOCAL_USE_EMBEDDED_NATIVE_LIBS)
 $(LOCAL_BUILT_MODULE):
 	@echo "target Package: $(PRIVATE_MODULE) ($@)"
@@ -569,19 +560,11 @@
 	@# No need to align, sign-package below will do it.
 	$(uncompress-dexs)
 endif
-# Run appcompat before stripping the classes.dex file.
+# Run appcompat before signing.
 ifeq ($(module_run_appcompat),true)
 	$(appcompat-header)
 	$(run-appcompat)
 endif  # module_run_appcompat
-ifdef LOCAL_DEX_PREOPT
-ifneq ($(BUILD_PLATFORM_ZIP),)
-	@# Keep a copy of apk with classes.dex unstripped
-	$(hide) cp -f $@ $(dir $@)package.dex.apk
-endif  # BUILD_PLATFORM_ZIP
-	mv -f $@ $@.tmp
-	$(PRIVATE_STRIP_SCRIPT) $@.tmp $@
-endif  # LOCAL_DEX_PREOPT
 	$(sign-package)
 ifdef LOCAL_COMPRESSED_MODULE
 	$(compress-package)
diff --git a/core/pdk_config.mk b/core/pdk_config.mk
index 4a069d3..922e0ef 100644
--- a/core/pdk_config.mk
+++ b/core/pdk_config.mk
@@ -22,7 +22,7 @@
   target/common/obj/JAVA_LIBRARIES/core-libart_intermediates \
   target/common/obj/JAVA_LIBRARIES/core-icu4j_intermediates \
   target/common/obj/JAVA_LIBRARIES/ext_intermediates \
-  target/common/obj/JAVA_LIBRARIES/framework_intermediates \
+  target/common/obj/JAVA_LIBRARIES/framework-minus-apex_intermediates \
   target/common/obj/JAVA_LIBRARIES/hwbinder_intermediates \
   target/common/obj/JAVA_LIBRARIES/ims-common_intermediates \
   target/common/obj/JAVA_LIBRARIES/okhttp_intermediates \
diff --git a/core/soong_app_prebuilt.mk b/core/soong_app_prebuilt.mk
index 8fc2e4c..c402717 100644
--- a/core/soong_app_prebuilt.mk
+++ b/core/soong_app_prebuilt.mk
@@ -97,10 +97,6 @@
 java-dex: $(LOCAL_SOONG_DEX_JAR)
 
 
-ifneq ($(BUILD_PLATFORM_ZIP),)
-  $(eval $(call copy-one-file,$(LOCAL_SOONG_DEX_JAR),$(dir $(LOCAL_BUILT_MODULE))package.dex.apk))
-endif
-
 my_built_installed := $(foreach f,$(LOCAL_SOONG_BUILT_INSTALLED),\
   $(call word-colon,1,$(f)):$(PRODUCT_OUT)$(call word-colon,2,$(f)))
 my_installed := $(call copy-many-files, $(my_built_installed))
diff --git a/core/soong_droiddoc_prebuilt.mk b/core/soong_droiddoc_prebuilt.mk
index bf1f10b..c0467df 100644
--- a/core/soong_droiddoc_prebuilt.mk
+++ b/core/soong_droiddoc_prebuilt.mk
@@ -38,3 +38,7 @@
 .PHONY: $(LOCAL_MODULE) $(LOCAL_MODULE)-jdiff
 $(LOCAL_MODULE) $(LOCAL_MODULE)-jdiff : $(OUT_DOCS)/$(LOCAL_MODULE)-jdiff-docs.zip
 endif
+
+ifdef LOCAL_DROIDDOC_METADATA_ZIP
+$(eval $(call copy-one-file,$(LOCAL_DROIDDOC_METADATA_ZIP),$(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/$(LOCAL_MODULE)-metadata.zip))
+endif
diff --git a/core/tasks/mts.mk b/core/tasks/mts.mk
index 56b2390..e800505 100644
--- a/core/tasks/mts.mk
+++ b/core/tasks/mts.mk
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+ifneq ($(wildcard test/mts/README.md),)
 test_suite_name := mts
 test_suite_tradefed := mts-tradefed
 test_suite_readme := test/mts/README.md
@@ -21,3 +22,4 @@
 .PHONY: mts
 mts: $(compatibility_zip)
 $(call dist-for-goals, mts, $(compatibility_zip))
+endif
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index 7cc3270..2fd0312 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -16,8 +16,8 @@
 
 # Base modules and settings for the system partition.
 PRODUCT_PACKAGES += \
-    abb \
     adbd \
+    adbd_system_binaries \
     am \
     android.hidl.allocator@1.0-service \
     android.hidl.base-V1.0-java \
@@ -75,7 +75,7 @@
     ExtServices \
     ExtShared \
     flags_health_check \
-    framework \
+    framework-minus-apex \
     framework-res \
     framework-sysconfig.xml \
     fsck_msdos \
@@ -124,8 +124,6 @@
     libbinder_ndk \
     libc.bootstrap \
     libcamera2ndk \
-    libcamera_client \
-    libcameraservice \
     libcutils \
     libdl.bootstrap \
     libdrmframework \
@@ -318,7 +316,7 @@
 # The order matters for runtime class lookup performance.
 PRODUCT_BOOT_JARS := \
     $(TARGET_CORE_JARS) \
-    framework \
+    framework-minus-apex \
     ext \
     telephony-common \
     voip-common \
diff --git a/target/product/gsi/Android.mk b/target/product/gsi/Android.mk
index 2b288e6..6c7c570 100644
--- a/target/product/gsi/Android.mk
+++ b/target/product/gsi/Android.mk
@@ -1,20 +1,8 @@
 LOCAL_PATH:= $(call my-dir)
 
 #####################################################################
-# Create the list of vndk libraries from the source code.
-INTERNAL_VNDK_LIB_LIST := $(call intermediates-dir-for,PACKAGING,vndk)/libs.txt
-$(INTERNAL_VNDK_LIB_LIST):
-	@echo "Generate: $@"
-	@mkdir -p $(dir $@)
-	$(hide) echo -n > $@
-	$(hide) $(foreach lib, $(filter-out libclang_rt.%,$(LLNDK_LIBRARIES)), \
-	  echo LLNDK: $(lib).so >> $@;)
-	$(hide) $(foreach lib, $(VNDK_SAMEPROCESS_LIBRARIES), \
-	  echo VNDK-SP: $(lib).so >> $@;)
-	$(hide) $(foreach lib, $(filter-out libclang_rt.%,$(VNDK_CORE_LIBRARIES)), \
-	  echo VNDK-core: $(lib).so >> $@;)
-	$(hide) $(foreach lib, $(VNDK_PRIVATE_LIBRARIES), \
-	  echo VNDK-private: $(lib).so >> $@;)
+# list of vndk libraries from the source code.
+INTERNAL_VNDK_LIB_LIST := $(SOONG_OUT_DIR)/vndk/vndk.libraries.txt
 
 #####################################################################
 # This is the up-to-date list of vndk libs.
@@ -49,6 +37,9 @@
 check-vndk-list: ;
 else ifeq ($(TARGET_SKIP_CURRENT_VNDK),true)
 check-vndk-list: ;
+else ifeq ($(BOARD_VNDK_VERSION),)
+# b/143233626 do not check vndk-list when vndk libs are not built
+check-vndk-list: ;
 else
 check-vndk-list: $(check-vndk-list-timestamp)
 ifneq ($(SKIP_ABI_CHECKS),true)
diff --git a/target/product/gsi/current.txt b/target/product/gsi/current.txt
index 8fed53c..03d7681 100644
--- a/target/product/gsi/current.txt
+++ b/target/product/gsi/current.txt
@@ -25,8 +25,8 @@
 VNDK-SP: android.hardware.graphics.mapper@3.0.so
 VNDK-SP: android.hardware.renderscript@1.0.so
 VNDK-SP: android.hidl.memory.token@1.0.so
-VNDK-SP: android.hidl.memory@1.0.so
 VNDK-SP: android.hidl.memory@1.0-impl.so
+VNDK-SP: android.hidl.memory@1.0.so
 VNDK-SP: android.hidl.safe_union@1.0.so
 VNDK-SP: libRSCpuRef.so
 VNDK-SP: libRSDriver.so
@@ -122,6 +122,7 @@
 VNDK-core: android.hardware.health.storage@1.0.so
 VNDK-core: android.hardware.health@1.0.so
 VNDK-core: android.hardware.health@2.0.so
+VNDK-core: android.hardware.health@2.1.so
 VNDK-core: android.hardware.input.classifier@1.0.so
 VNDK-core: android.hardware.input.common@1.0.so
 VNDK-core: android.hardware.ir@1.0.so
@@ -160,8 +161,8 @@
 VNDK-core: android.hardware.secure_element@1.1.so
 VNDK-core: android.hardware.sensors@1.0.so
 VNDK-core: android.hardware.sensors@2.0.so
-VNDK-core: android.hardware.soundtrigger@2.0.so
 VNDK-core: android.hardware.soundtrigger@2.0-core.so
+VNDK-core: android.hardware.soundtrigger@2.0.so
 VNDK-core: android.hardware.soundtrigger@2.1.so
 VNDK-core: android.hardware.soundtrigger@2.2.so
 VNDK-core: android.hardware.tetheroffload.config@1.0.so
@@ -196,8 +197,8 @@
 VNDK-core: android.hardware.wifi@1.3.so
 VNDK-core: android.hidl.allocator@1.0.so
 VNDK-core: android.hidl.memory.block@1.0.so
-VNDK-core: android.hidl.token@1.0.so
 VNDK-core: android.hidl.token@1.0-utils.so
+VNDK-core: android.hidl.token@1.0.so
 VNDK-core: android.system.net.netd@1.0.so
 VNDK-core: android.system.net.netd@1.1.so
 VNDK-core: android.system.suspend@1.0.so
@@ -241,8 +242,8 @@
 VNDK-core: libpng.so
 VNDK-core: libpower.so
 VNDK-core: libprocinfo.so
-VNDK-core: libprotobuf-cpp-full.so
-VNDK-core: libprotobuf-cpp-lite.so
+VNDK-core: libprotobuf-cpp-full-3.9.1.so
+VNDK-core: libprotobuf-cpp-lite-3.9.1.so
 VNDK-core: libpuresoftkeymasterdevice.so
 VNDK-core: libradio_metadata.so
 VNDK-core: libselinux.so