diff --git a/CleanSpec.mk b/CleanSpec.mk
index a84e793..284ef39 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -614,6 +614,10 @@
 # Clean up old location of system_other.avbpubkey
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/security/avb/)
 
+# Clean up bufferhub files
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/bin/hw/android.frameworks.bufferhub@1.0-service)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/init/android.frameworks.bufferhub@1.0-service.rc)
+
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/super.img)
 
 $(call add-clean-step, find $(PRODUCT_OUT) -type f -name "generated_*_image_info.txt" -print0 | xargs -0 rm -f)
@@ -635,6 +639,9 @@
 
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib*/libc_malloc*)
 
+# Clean up old location of soft OMX plugins
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib*/libstagefright_soft*)
+
 # Move odm build.prop to /odm/etc/.
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/odm/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/vendor/odm/build.prop)
@@ -655,6 +662,10 @@
 $(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)
 
+# Move GSI-specific files from /system to /system/system_ext
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/init/init.gsi.rc)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/init/config/)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/core/Makefile b/core/Makefile
index 30a46c2..c9b8cd1 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -502,6 +502,7 @@
 	$(hide) echo ro.vendor.product.cpu.abilist64="$(TARGET_CPU_ABI_LIST_64_BIT)">>$@
 	$(hide) echo ro.product.board="$(TARGET_BOOTLOADER_BOARD_NAME)">>$@
 	$(hide) echo ro.board.platform="$(TARGET_BOARD_PLATFORM)">>$@
+	$(hide) echo ro.hwui.use_vulkan="$(TARGET_USES_VULKAN)">>$@
 ifdef TARGET_SCREEN_DENSITY
 	$(hide) echo ro.sf.lcd_density="$(TARGET_SCREEN_DENSITY)">>$@
 endif
@@ -3600,7 +3601,7 @@
 ifeq ($(build_otatools_package),true)
 
 INTERNAL_OTATOOLS_MODULES := \
-  aapt \
+  aapt2 \
   add_img_to_target_files \
   append2simg \
   avbtool \
@@ -4493,25 +4494,28 @@
 
 #------------------------------------------------------------------
 # A zip of Proguard obfuscation dictionary files.
-# Only for apps_only build.
 #
-ifdef TARGET_BUILD_APPS
 PROGUARD_DICT_ZIP := $(PRODUCT_OUT)/$(TARGET_PRODUCT)-proguard-dict-$(FILE_NAME_TAG).zip
-# the dependency will be set up later in build/make/core/main.mk.
-$(PROGUARD_DICT_ZIP) :
+# For apps_only build we'll establish the dependency later in build/make/core/main.mk.
+ifndef TARGET_BUILD_APPS
+$(PROGUARD_DICT_ZIP): \
+    $(INSTALLED_SYSTEMIMAGE_TARGET) \
+    $(INSTALLED_RAMDISK_TARGET) \
+    $(INSTALLED_BOOTIMAGE_TARGET) \
+    $(INSTALLED_USERDATAIMAGE_TARGET) \
+    $(INSTALLED_VENDORIMAGE_TARGET) \
+    $(INSTALLED_PRODUCTIMAGE_TARGET) \
+    $(INSTALLED_SYSTEM_EXTIMAGE_TARGET) \
+    $(INSTALLED_ODMIMAGE_TARGET) \
+    $(updater_dep)
+endif
+$(PROGUARD_DICT_ZIP): PRIVATE_LIST_FILE := $(call intermediates-dir-for,PACKAGING,proguard)/filelist
+$(PROGUARD_DICT_ZIP): $(SOONG_ZIP)
 	@echo "Packaging Proguard obfuscation dictionary files."
-	$(hide) dict_files=`find $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS -name proguard_dictionary`; \
-	    if [ -n "$$dict_files" ]; then \
-	      unobfuscated_jars=$${dict_files//proguard_dictionary/classes.jar}; \
-	      zip -qX $@ $$dict_files $$unobfuscated_jars; \
-	    else \
-	      touch $(dir $@)/zipdummy; \
-	      (cd $(dir $@) && zip -q $(notdir $@) zipdummy); \
-	      zip -qd $@ zipdummy; \
-	      rm $(dir $@)/zipdummy; \
-	    fi
-
-endif # TARGET_BUILD_APPS
+	mkdir -p $(dir $@) $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS $(dir $(PRIVATE_LIST_FILE))
+	find $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS -name proguard_dictionary | \
+	    sed -e 's/\(.*\)\/proguard_dictionary/\0\n\1\/classes.jar/' > $(PRIVATE_LIST_FILE)
+	$(SOONG_ZIP) --ignore_missing_files -d -o $@ -C $(OUT_DIR)/.. -l $(PRIVATE_LIST_FILE)
 
 
 ifeq (true,$(PRODUCT_USE_DYNAMIC_PARTITIONS))
diff --git a/core/aux_config.mk b/core/aux_config.mk
index 86dc10a..10d2536 100644
--- a/core/aux_config.mk
+++ b/core/aux_config.mk
@@ -32,7 +32,7 @@
 
 # setup AUX globals
 AUX_SHLIB_SUFFIX := .so
-AUX_GLOBAL_ARFLAGS := cqsD
+AUX_GLOBAL_ARFLAGS := crsPD
 AUX_STATIC_LIB_SUFFIX := .a
 
 # Load ever-lasting "indexed" version of AUX variant environment; it is treated as READ-ONLY from this
diff --git a/core/build_id.mk b/core/build_id.mk
index bac2f48..2329288 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=PI
+BUILD_ID=QT
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index b98027d..3cadcc2 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -115,6 +115,7 @@
 LOCAL_HOST_PREFIX:=
 LOCAL_HOST_REQUIRED_MODULES:=
 LOCAL_INIT_RC:=
+LOCAL_INJECT_BSSL_HASH:=
 LOCAL_INSTALLED_MODULE:=
 LOCAL_INSTALLED_MODULE_STEM:=
 LOCAL_INSTRUMENTATION_FOR:=
diff --git a/core/combo/HOST_darwin-x86_64.mk b/core/combo/HOST_darwin-x86_64.mk
index 07f8d9f..dac3bbf 100644
--- a/core/combo/HOST_darwin-x86_64.mk
+++ b/core/combo/HOST_darwin-x86_64.mk
@@ -59,8 +59,3 @@
         $(PRIVATE_LDFLAGS) \
         $(PRIVATE_LDLIBS)
 endef
-
-# $(1): The file to check
-define get-file-size
-stat -f "%z" $(1)
-endef
diff --git a/core/combo/HOST_linux-x86.mk b/core/combo/HOST_linux-x86.mk
index deed943..3f4ec0a 100644
--- a/core/combo/HOST_linux-x86.mk
+++ b/core/combo/HOST_linux-x86.mk
@@ -23,8 +23,3 @@
 
 ############################################################
 ## Macros after this line are shared by the 64-bit config.
-
-# $(1): The file to check
-define get-file-size
-stat -c "%s" "$(1)" | tr -d '\n'
-endef
diff --git a/core/combo/select.mk b/core/combo/select.mk
index eab4c72..33c8e6d 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -28,7 +28,7 @@
 
 # Set reasonable defaults for the various variables
 
-$(combo_var_prefix)GLOBAL_ARFLAGS := cqsD -format=gnu
+$(combo_var_prefix)GLOBAL_ARFLAGS := crsPD -format=gnu
 
 $(combo_var_prefix)STATIC_LIB_SUFFIX := .a
 
diff --git a/core/config.mk b/core/config.mk
index f521813..df56edb 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -119,6 +119,7 @@
   ARCH_X86_HAVE_SSSE3 \
 )
 $(KATI_obsolete_var PRODUCT_IOT)
+$(KATI_obsolete_var MD5SUM)
 
 # Used to force goals to build.  Only use for conditionally defined goals.
 .PHONY: FORCE
@@ -648,13 +649,6 @@
 # Path to tools.jar
 HOST_JDK_TOOLS_JAR := $(ANDROID_JAVA8_HOME)/lib/tools.jar
 
-# It's called md5 on Mac OS and md5sum on Linux
-ifeq ($(HOST_OS),darwin)
-MD5SUM:=md5 -q
-else
-MD5SUM:=md5sum
-endif
-
 APICHECK_COMMAND := $(JAVA) -Xmx4g -jar $(APICHECK) --no-banner --compatible-output=yes
 
 # Boolean variable determining if the whitelist for compatible properties is enabled
@@ -808,7 +802,7 @@
 # is made which breaks compatibility with the previous platform sepolicy version,
 # not just on every increase in PLATFORM_SDK_VERSION.  The minor version should
 # be reset to 0 on every bump of the PLATFORM_SDK_VERSION.
-sepolicy_major_vers := 28
+sepolicy_major_vers := 29
 sepolicy_minor_vers := 0
 
 ifneq ($(sepolicy_major_vers), $(PLATFORM_SDK_VERSION))
diff --git a/core/definitions.mk b/core/definitions.mk
index a93979a..0b2ae73 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2302,7 +2302,7 @@
 ifeq ($(HOST_OS),linux)
 # Runs appcompat and store logs in $(PRODUCT_OUT)/appcompat
 define extract-package
-$(AAPT2) dump $@ | awk -F ' |=' '/^Package/{print $$3}' >> $(PRODUCT_OUT)/appcompat/$(PRIVATE_MODULE).log &&
+$(AAPT2) dump resources $@ | awk -F ' |=' '/^Package/{print $$3}' >> $(PRODUCT_OUT)/appcompat/$(PRIVATE_MODULE).log &&
 endef
 define appcompat-header
 $(hide) \
@@ -2678,9 +2678,9 @@
 ###########################################################
 
 # $(1): The file to check
-ifndef get-file-size
-$(error HOST_OS must define get-file-size)
-endif
+define get-file-size
+stat -c "%s" "$(1)" | tr -d '\n'
+endef
 
 # $(1): The file(s) to check (often $@)
 # $(2): The partition size.
diff --git a/core/dynamic_binary.mk b/core/dynamic_binary.mk
index 0accdc0..27ff2c9 100644
--- a/core/dynamic_binary.mk
+++ b/core/dynamic_binary.mk
@@ -39,6 +39,17 @@
 include $(BUILD_SYSTEM)/binary.mk
 ###################################
 
+ifdef LOCAL_INJECT_BSSL_HASH
+inject_module := $(intermediates)/INJECT_BSSL_HASH/$(notdir $(my_installed_module_stem))
+LOCAL_INTERMEDIATE_TARGETS += $(inject_module)
+$(inject_module): $(SOONG_HOST_OUT)/bin/bssl_inject_hash
+$(inject_module): $(linked_module)
+	@echo "target inject BSSL hash: $(PRIVATE_MODULE) ($@)"
+	$(SOONG_HOST_OUT)/bin/bssl_inject_hash -in-object $< -o $@
+else
+inject_module := $(linked_module)
+endif
+
 ###########################################################
 ## Store a copy with symbols for symbolic debugging
 ###########################################################
@@ -47,7 +58,7 @@
 else
 my_unstripped_path := $(LOCAL_UNSTRIPPED_PATH)
 endif
-symbolic_input := $(linked_module)
+symbolic_input := $(inject_module)
 symbolic_output := $(my_unstripped_path)/$(my_installed_module_stem)
 $(symbolic_output) : $(symbolic_input)
 	@echo "target Symbolic: $(PRIVATE_MODULE) ($@)"
@@ -59,7 +70,7 @@
 
 ifeq ($(BREAKPAD_GENERATE_SYMBOLS),true)
 my_breakpad_path := $(TARGET_OUT_BREAKPAD)/$(patsubst $(PRODUCT_OUT)/%,%,$(my_module_path))
-breakpad_input := $(linked_module)
+breakpad_input := $(inject_module)
 breakpad_output := $(my_breakpad_path)/$(my_installed_module_stem).sym
 $(breakpad_output) : $(breakpad_input) | $(BREAKPAD_DUMP_SYMS) $(PRIVATE_READELF)
 	@echo "target breakpad: $(PRIVATE_MODULE) ($@)"
@@ -133,6 +144,7 @@
 
 $(cleantarget): PRIVATE_CLEAN_FILES += \
     $(linked_module) \
+    $(inject_module) \
     $(breakpad_output) \
     $(symbolic_output) \
     $(strip_output)
diff --git a/core/fuzz_test.mk b/core/fuzz_test.mk
index f5bdef0..71801ba 100644
--- a/core/fuzz_test.mk
+++ b/core/fuzz_test.mk
@@ -64,12 +64,12 @@
 $(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH_64 when building test $(LOCAL_MODULE))
 endif
 
-LOCAL_MODULE_PATH_64 := $(TARGET_OUT_DATA_NATIVE_TESTS)/fuzzers/$(LOCAL_MODULE)
-LOCAL_MODULE_PATH_32 := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_NATIVE_TESTS)/fuzzers/$(LOCAL_MODULE)
+LOCAL_MODULE_PATH_64 := $(TARGET_OUT_DATA_NATIVE_TESTS)/fuzzers/$(my_fuzzer)/$(LOCAL_MODULE)
+LOCAL_MODULE_PATH_32 := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_NATIVE_TESTS)/fuzzers/$(my_fuzzer)/$(LOCAL_MODULE)
 
 ifndef LOCAL_MULTILIB
 ifndef LOCAL_32_BIT_ONLY
-LOCAL_MULTILIB := both
+LOCAL_MULTILIB := 64
 endif
 endif
 
diff --git a/core/main.mk b/core/main.mk
index f99f16d..9eea513 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -1663,6 +1663,7 @@
     $(INTERNAL_OTA_RETROFIT_DYNAMIC_PARTITIONS_PACKAGE_TARGET) \
     $(BUILT_OTATOOLS_PACKAGE) \
     $(SYMBOLS_ZIP) \
+    $(PROGUARD_DICT_ZIP) \
     $(COVERAGE_ZIP) \
     $(APPCOMPAT_ZIP) \
     $(INSTALLED_FILES_FILE) \
diff --git a/core/sdk_check.mk b/core/sdk_check.mk
index 49ea2a8..c09fc7c 100644
--- a/core/sdk_check.mk
+++ b/core/sdk_check.mk
@@ -8,6 +8,11 @@
 
 whitelisted_modules := framework-res__auto_generated_rro
 
+
+ifeq (,$(JAVA_SDK_ENFORCEMENT_ERROR))
+  JAVA_SDK_ENFORCEMENT_ERROR := APPS
+endif
+
 ifeq ($(LOCAL_SDK_VERSION)$(LOCAL_PRIVATE_PLATFORM_APIS),)
   ifeq (,$(filter $(LOCAL_MODULE),$(whitelisted_modules)))
     ifneq ($(JAVA_SDK_ENFORCEMENT_WARNING)$(JAVA_SDK_ENFORCEMENT_ERROR),)
diff --git a/core/tasks/check_boot_jars/package_whitelist.txt b/core/tasks/check_boot_jars/package_whitelist.txt
index 3b63843..8d9878f 100644
--- a/core/tasks/check_boot_jars/package_whitelist.txt
+++ b/core/tasks/check_boot_jars/package_whitelist.txt
@@ -243,3 +243,4 @@
 ###################################################
 # Packages used for Android in Chrome OS
 org\.chromium\.arc
+org\.chromium\.arc\..*
diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index 33c3a83..f3b4368 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -14,7 +14,6 @@
 
 test_suite_name := cts
 test_suite_tradefed := cts-tradefed
-# TODO: Fix the following two lines after harness is moved to its own repo
 test_suite_dynamic_config := test/suite_harness/tools/cts-tradefed/DynamicConfig.xml
 test_suite_readme := test/suite_harness/tools/cts-tradefed/README
 
diff --git a/core/tasks/cts_instant.mk b/core/tasks/cts_instant.mk
deleted file mode 100644
index 18f1db3..0000000
--- a/core/tasks/cts_instant.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-# Copyright (C) 2018 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.
-
-test_suite_name := cts_instant
-test_suite_tradefed := cts-instant-tradefed
-test_suite_dynamic_config := test/suite_harness/tools/cts-instant-tradefed/DynamicConfig.xml
-test_suite_readme := test/suite_harness/tools/cts-instant-tradefed/README
-
-include $(BUILD_SYSTEM)/tasks/tools/compatibility.mk
-
-.PHONY: cts_instant
-cts_instant: $(compatibility_zip)
-$(call dist-for-goals, cts_instant, $(compatibility_zip))
-
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index f949b05..00c5ed0 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -84,12 +84,10 @@
 # generate the range of allowed SDK versions, so it must have an entry for every
 # unreleased API level targetable by this branch, not just those that are valid
 # lunch targets for this branch.
-PLATFORM_VERSION.QP1A := Q
 PLATFORM_VERSION.RP1A := R
 
 # These are the current development codenames, if the build is not a final
 # release build.  If this is a final release build, it is simply "REL".
-PLATFORM_VERSION_CODENAME.QP1A := Q
 PLATFORM_VERSION_CODENAME.RP1A := R
 
 ifndef PLATFORM_VERSION
@@ -114,7 +112,7 @@
   # When you increment the PLATFORM_SDK_VERSION please ensure you also
   # clear out the following text file of all older PLATFORM_VERSION's:
   # cts/tests/tests/os/assets/platform_versions.txt
-  PLATFORM_SDK_VERSION := 28
+  PLATFORM_SDK_VERSION := 29
 endif
 .KATI_READONLY := PLATFORM_SDK_VERSION
 
@@ -252,7 +250,7 @@
     #  It must be of the form "YYYY-MM-DD" on production devices.
     #  It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
     #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
-      PLATFORM_SECURITY_PATCH := 2019-08-01
+      PLATFORM_SECURITY_PATCH := 2019-09-05
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH
 
diff --git a/target/board/BoardConfigGsiCommon.mk b/target/board/BoardConfigGsiCommon.mk
index e4dd032..31d0bdf 100644
--- a/target/board/BoardConfigGsiCommon.mk
+++ b/target/board/BoardConfigGsiCommon.mk
@@ -56,7 +56,3 @@
 
 # Disable 64 bit mediadrmserver
 TARGET_ENABLE_MEDIADRM_64 :=
-
-# Ordinary (non-flattened) APEX may require kernel changes. For maximum compatibility,
-# use flattened APEX for GSI
-TARGET_FLATTEN_APEX := true
diff --git a/target/board/BoardConfigMainlineCommon.mk b/target/board/BoardConfigMainlineCommon.mk
index ff6defd..52ba814 100644
--- a/target/board/BoardConfigMainlineCommon.mk
+++ b/target/board/BoardConfigMainlineCommon.mk
@@ -49,6 +49,3 @@
 
 # Generate an APEX image for experiment b/119800099.
 DEXPREOPT_GENERATE_APEX_IMAGE := true
-
-# Mainline devices support apex
-TARGET_FLATTEN_APEX := false
diff --git a/target/board/generic_x86_arm/BoardConfig.mk b/target/board/generic_x86_arm/BoardConfig.mk
index 6fae411..e879001 100644
--- a/target/board/generic_x86_arm/BoardConfig.mk
+++ b/target/board/generic_x86_arm/BoardConfig.mk
@@ -18,14 +18,10 @@
 TARGET_ARCH := x86
 TARGET_ARCH_VARIANT := x86
 
-TARGET_2ND_ARCH := arm
-TARGET_2ND_CPU_ABI := armeabi-v7a
-TARGET_2ND_CPU_ABI2 := armeabi
-TARGET_2ND_ARCH_VARIANT := armv7-a-neon
-TARGET_2ND_CPU_VARIANT := generic
-
-TARGET_CPU_ABI_LIST := x86 armeabi-v7a armeabi
-TARGET_TRANSLATE_2ND_ARCH := true
+TARGET_NATIVE_BRIDGE_ARCH := arm
+TARGET_NATIVE_BRIDGE_ARCH_VARIANT := armv7-a-neon
+TARGET_NATIVE_BRIDGE_CPU_VARIANT := generic
+TARGET_NATIVE_BRIDGE_ABI := armeabi-v7a armeabi
 
 BUILD_BROKEN_DUP_RULES := true
 
diff --git a/target/board/go_defaults.prop b/target/board/go_defaults.prop
new file mode 100644
index 0000000..93071cd
--- /dev/null
+++ b/target/board/go_defaults.prop
@@ -0,0 +1,15 @@
+#
+# Copyright (C) 2017 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.
+#
diff --git a/target/board/go_defaults_512.prop b/target/board/go_defaults_512.prop
new file mode 100644
index 0000000..a8eea9c
--- /dev/null
+++ b/target/board/go_defaults_512.prop
@@ -0,0 +1,23 @@
+#
+# Copyright (C) 2017 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.
+#
+
+# 512MB specific properties.
+
+# lmkd can kill more now.
+ro.lmk.medium=700
+
+# madvise random in ART to reduce page cache thrashing.
+dalvik.vm.madvise-random=true
diff --git a/target/board/go_defaults_common.prop b/target/board/go_defaults_common.prop
new file mode 100644
index 0000000..d4989e0
--- /dev/null
+++ b/target/board/go_defaults_common.prop
@@ -0,0 +1,42 @@
+#
+# Copyright (C) 2017 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.
+#
+
+# Sets Android Go recommended default values for propreties.
+
+# Set lowram options
+ro.lmk.critical_upgrade=true
+ro.lmk.upgrade_pressure=40
+ro.lmk.downgrade_pressure=60
+ro.lmk.kill_heaviest_task=false
+ro.statsd.enable=true
+
+# set threshold to filter unused apps
+pm.dexopt.downgrade_after_inactive_days=10
+
+# set the compiler filter for shared apks to quicken.
+# Rationale: speed has a lot of dex code expansion, it uses more ram and space
+# compared to quicken. Using quicken for shared APKs on Go devices may save RAM.
+# Note that this is a trade-off: here we trade clean pages for dirty pages,
+# extra cpu and battery. That's because the quicken files will be jit-ed in all
+# the processes that load of shared apk and the code cache is not shared.
+# Some notable apps that will be affected by this are gms and chrome.
+# b/65591595.
+pm.dexopt.shared=quicken
+
+# Default heap sizes. Allow up to 256m for large heaps to make sure a single app
+# doesn't take all of the RAM.
+dalvik.vm.heapgrowthlimit=128m
+dalvik.vm.heapsize=256m
diff --git a/target/product/aosp_product.mk b/target/product/aosp_product.mk
index fa56779..cda977b 100644
--- a/target/product/aosp_product.mk
+++ b/target/product/aosp_product.mk
@@ -29,8 +29,6 @@
     system/app/WAPPushManager/oat/% \
     system/bin/healthd \
     system/etc/init/healthd.rc \
-    system/etc/seccomp_policy/crash_dump.%.policy \
-    system/etc/seccomp_policy/mediacodec.policy \
     system/etc/vintf/manifest/manifest_healthd.xml \
     system/lib/libframesequence.so \
     system/lib/libgiftranscode.so \
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index cd98a48..2ef104b 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -56,6 +56,8 @@
     com.android.conscrypt \
     com.android.i18n \
     com.android.location.provider \
+    com.android.media \
+    com.android.media.swcodec \
     com.android.resolv \
     com.android.neuralnetworks \
     com.android.tzdata \
@@ -65,13 +67,14 @@
     CtsShimPrebuilt \
     CtsShimPrivPrebuilt \
     debuggerd\
-    DefaultContainerService \
+    device_config \
     dmctl \
     dnsmasq \
     DownloadProvider \
     dpm \
     dumpstate \
     dumpsys \
+    DynamicSystemInstallationService \
     e2fsck \
     ExtServices \
     ExtShared \
@@ -84,6 +87,7 @@
     fs_config_dirs_system \
     group_system \
     gsid \
+    gsi_tool \
     heapprofd \
     heapprofd_client \
     gatekeeperd \
@@ -91,6 +95,8 @@
     hid \
     hwservicemanager \
     idmap \
+    idmap2 \
+    idmap2d \
     ime \
     ims-common \
     incident \
@@ -111,6 +117,7 @@
     ld.config.txt \
     ld.mc \
     libaaudio \
+    libamidi \
     libandroid \
     libandroidfw \
     libandroid_runtime \
@@ -118,10 +125,6 @@
     libartpalette-system \
     libashmemd_client \
     libaudioeffect_jni \
-    libaudioflinger \
-    libaudiopolicymanager \
-    libaudiopolicyservice \
-    libaudioutils \
     libbinder \
     libbinder_ndk \
     libc.bootstrap \
@@ -154,7 +157,6 @@
     libmedia \
     libmedia_jni \
     libmediandk \
-    libmediaplayerservice \
     libmtp \
     libnetd_client \
     libnetlink \
@@ -168,12 +170,11 @@
     libradio_metadata \
     librtp_jni \
     libsensorservice \
+    libsfplugin_ccodec \
     libskia \
     libsonic \
     libsonivox \
     libsoundpool \
-    libsoundtrigger \
-    libsoundtriggerservice \
     libspeexresampler \
     libsqlite \
     libstagefright \
@@ -194,6 +195,7 @@
     linker \
     linkerconfig \
     lmkd \
+    LocalTransport \
     locksettings \
     logcat \
     logd \
@@ -201,6 +203,7 @@
     lshal \
     mdnsd \
     media \
+    mediacodec.policy \
     mediadrmserver \
     mediaextractor \
     mediametrics \
@@ -215,8 +218,10 @@
     NetworkStack \
     org.apache.http.legacy \
     otacerts \
+    PackageInstaller \
     passwd_system \
     perfetto \
+    PermissionController \
     ping \
     ping6 \
     platform.xml \
@@ -253,7 +258,6 @@
     tc \
     telecom \
     telephony-common \
-    thermalserviced \
     tombstoned \
     traced \
     traced_probes \
@@ -292,6 +296,7 @@
     flags_health_check \
     icu-data_host_i18n_apex \
     icu_tzdata.dat_host_tzdata_apex \
+    idmap2 \
     incident_report \
     ld.mc \
     lpdump \
@@ -325,10 +330,12 @@
     ext \
     telephony-common \
     voip-common \
-    ims-common
-PRODUCT_UPDATABLE_BOOT_MODULES := conscrypt
+    ims-common \
+    updatable-media
+PRODUCT_UPDATABLE_BOOT_MODULES := conscrypt updatable-media
 PRODUCT_UPDATABLE_BOOT_LOCATIONS := \
-    /apex/com.android.conscrypt/javalib/conscrypt.jar
+    /apex/com.android.conscrypt/javalib/conscrypt.jar \
+    /apex/com.android.media/javalib/updatable-media.jar
 
 
 PRODUCT_COPY_FILES += \
@@ -384,7 +391,9 @@
     WallpaperBackup
 
 # Packages included only for eng/userdebug builds, when building with SANITIZE_TARGET=address
-PRODUCT_PACKAGES_DEBUG_ASAN :=
+PRODUCT_PACKAGES_DEBUG_ASAN := \
+    fuzz \
+    honggfuzz
 
 PRODUCT_PACKAGES_DEBUG_JAVA_COVERAGE := \
     libdumpcoverage
diff --git a/target/product/base_vendor.mk b/target/product/base_vendor.mk
index e3c600f..1e1effb 100644
--- a/target/product/base_vendor.mk
+++ b/target/product/base_vendor.mk
@@ -40,7 +40,7 @@
 
 # Base modules and settings for the vendor partition.
 PRODUCT_PACKAGES += \
-    android.hardware.cas@1.0-service \
+    android.hardware.cas@1.1-service \
     android.hardware.configstore@1.1-service \
     android.hardware.media.omx@1.0-service \
     dumpsys_vendor \
diff --git a/target/product/go_defaults.mk b/target/product/go_defaults.mk
index cb9383f..b717486 100644
--- a/target/product/go_defaults.mk
+++ b/target/product/go_defaults.mk
@@ -17,3 +17,6 @@
 # Inherit common Android Go defaults.
 $(call inherit-product, build/make/target/product/go_defaults_common.mk)
 
+# Add the system properties.
+TARGET_SYSTEM_PROP += \
+    build/make/target/board/go_defaults.prop
diff --git a/target/product/go_defaults_512.mk b/target/product/go_defaults_512.mk
index 985912f..70d067e 100644
--- a/target/product/go_defaults_512.mk
+++ b/target/product/go_defaults_512.mk
@@ -17,12 +17,6 @@
 # Inherit common Android Go defaults.
 $(call inherit-product, build/make/target/product/go_defaults_common.mk)
 
-# 512MB specific properties.
-
-# lmkd can kill more now.
-PRODUCT_PROPERTY_OVERRIDES += \
-     ro.lmk.medium=700 \
-
-# madvise random in ART to reduce page cache thrashing.
-PRODUCT_PROPERTY_OVERRIDES += \
-     dalvik.vm.madvise-random=true
+# Add the system properties.
+TARGET_SYSTEM_PROP += \
+    build/make/target/board/go_defaults_512.prop
diff --git a/target/product/go_defaults_common.mk b/target/product/go_defaults_common.mk
index 7042f6d..7b9c783 100644
--- a/target/product/go_defaults_common.mk
+++ b/target/product/go_defaults_common.mk
@@ -14,21 +14,13 @@
 # limitations under the License.
 #
 
-# Sets Android Go recommended default values for propreties.
+# Sets Android Go recommended default product options..
 
-# Set lowram options
+
+# Set lowram options and enable traced by default
 PRODUCT_PROPERTY_OVERRIDES += \
      ro.config.low_ram=true \
-     ro.lmk.critical_upgrade=true \
-     ro.lmk.upgrade_pressure=40 \
-     ro.lmk.downgrade_pressure=60 \
-     ro.lmk.kill_heaviest_task=false \
-     ro.statsd.enable=false
-
-# set threshold to filter unused apps
-PRODUCT_PROPERTY_OVERRIDES += \
-     pm.dexopt.downgrade_after_inactive_days=10
-
+     persist.traced.enable=1 \
 
 # Speed profile services and wifi-service to reduce RAM and storage.
 PRODUCT_SYSTEM_SERVER_COMPILER_FILTER := speed-profile
@@ -42,22 +34,6 @@
 PRODUCT_USE_PROFILE_FOR_BOOT_IMAGE := true
 PRODUCT_DEX_PREOPT_BOOT_IMAGE_PROFILE_LOCATION := frameworks/base/config/boot-image-profile.txt
 
-# set the compiler filter for shared apks to quicken.
-# Rationale: speed has a lot of dex code expansion, it uses more ram and space
-# compared to quicken. Using quicken for shared APKs on Go devices may save RAM.
-# Note that this is a trade-off: here we trade clean pages for dirty pages,
-# extra cpu and battery. That's because the quicken files will be jit-ed in all
-# the processes that load of shared apk and the code cache is not shared.
-# Some notable apps that will be affected by this are gms and chrome.
-# b/65591595.
-PRODUCT_PROPERTY_OVERRIDES += \
-     pm.dexopt.shared=quicken
-
-# Default heap sizes. Allow up to 256m for large heaps to make sure a single app
-# doesn't take all of the RAM.
-PRODUCT_PROPERTY_OVERRIDES += dalvik.vm.heapgrowthlimit=128m
-PRODUCT_PROPERTY_OVERRIDES += dalvik.vm.heapsize=256m
-
 # Do not generate libartd.
 PRODUCT_ART_TARGET_INCLUDE_DEBUG_BUILD := false
 
@@ -73,3 +49,14 @@
 ifneq (,$(filter eng, $(TARGET_BUILD_VARIANT)))
   PRODUCT_DISABLE_SCUDO := true
 endif
+
+# Add the system properties.
+TARGET_SYSTEM_PROP += \
+    build/make/target/board/go_defaults_common.prop
+
+# use the go specific handheld_core_hardware.xml from frameworks
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/go_handheld_core_hardware.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/handheld_core_hardware.xml
+
+# Dedupe VNDK libraries with identical core variants.
+TARGET_VNDK_USE_CORE_VARIANT := true
diff --git a/target/product/gsi/29.txt b/target/product/gsi/29.txt
new file mode 100644
index 0000000..14faba5
--- /dev/null
+++ b/target/product/gsi/29.txt
@@ -0,0 +1,273 @@
+LLNDK: libEGL.so
+LLNDK: libGLESv1_CM.so
+LLNDK: libGLESv2.so
+LLNDK: libGLESv3.so
+LLNDK: libRS.so
+LLNDK: libandroid_net.so
+LLNDK: libc.so
+LLNDK: libcgrouprc.so
+LLNDK: libdl.so
+LLNDK: libft2.so
+LLNDK: liblog.so
+LLNDK: libm.so
+LLNDK: libmediandk.so
+LLNDK: libnativewindow.so
+LLNDK: libneuralnetworks.so
+LLNDK: libsync.so
+LLNDK: libvndksupport.so
+LLNDK: libvulkan.so
+VNDK-SP: android.hardware.graphics.common@1.0.so
+VNDK-SP: android.hardware.graphics.common@1.1.so
+VNDK-SP: android.hardware.graphics.common@1.2.so
+VNDK-SP: android.hardware.graphics.mapper@2.0.so
+VNDK-SP: android.hardware.graphics.mapper@2.1.so
+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.safe_union@1.0.so
+VNDK-SP: libRSCpuRef.so
+VNDK-SP: libRSDriver.so
+VNDK-SP: libRS_internal.so
+VNDK-SP: libbacktrace.so
+VNDK-SP: libbase.so
+VNDK-SP: libbcinfo.so
+VNDK-SP: libbinderthreadstate.so
+VNDK-SP: libblas.so
+VNDK-SP: libc++.so
+VNDK-SP: libcompiler_rt.so
+VNDK-SP: libcutils.so
+VNDK-SP: libhardware.so
+VNDK-SP: libhidlbase.so
+VNDK-SP: libhidlmemory.so
+VNDK-SP: libhidltransport.so
+VNDK-SP: libhwbinder.so
+VNDK-SP: libhwbinder_noltopgo.so
+VNDK-SP: libion.so
+VNDK-SP: libjsoncpp.so
+VNDK-SP: liblzma.so
+VNDK-SP: libprocessgroup.so
+VNDK-SP: libunwindstack.so
+VNDK-SP: libutils.so
+VNDK-SP: libutilscallstack.so
+VNDK-SP: libz.so
+VNDK-core: android.frameworks.cameraservice.common@2.0.so
+VNDK-core: android.frameworks.cameraservice.device@2.0.so
+VNDK-core: android.frameworks.cameraservice.service@2.0.so
+VNDK-core: android.frameworks.displayservice@1.0.so
+VNDK-core: android.frameworks.schedulerservice@1.0.so
+VNDK-core: android.frameworks.sensorservice@1.0.so
+VNDK-core: android.frameworks.stats@1.0.so
+VNDK-core: android.frameworks.vr.composer@1.0.so
+VNDK-core: android.hardware.atrace@1.0.so
+VNDK-core: android.hardware.audio.common@2.0.so
+VNDK-core: android.hardware.audio.common@4.0.so
+VNDK-core: android.hardware.audio.common@5.0.so
+VNDK-core: android.hardware.audio.effect@2.0.so
+VNDK-core: android.hardware.audio.effect@4.0.so
+VNDK-core: android.hardware.audio.effect@5.0.so
+VNDK-core: android.hardware.audio@2.0.so
+VNDK-core: android.hardware.audio@4.0.so
+VNDK-core: android.hardware.audio@5.0.so
+VNDK-core: android.hardware.authsecret@1.0.so
+VNDK-core: android.hardware.automotive.audiocontrol@1.0.so
+VNDK-core: android.hardware.automotive.evs@1.0.so
+VNDK-core: android.hardware.automotive.vehicle@2.0.so
+VNDK-core: android.hardware.biometrics.face@1.0.so
+VNDK-core: android.hardware.biometrics.fingerprint@2.1.so
+VNDK-core: android.hardware.bluetooth.a2dp@1.0.so
+VNDK-core: android.hardware.bluetooth.audio@2.0.so
+VNDK-core: android.hardware.bluetooth@1.0.so
+VNDK-core: android.hardware.boot@1.0.so
+VNDK-core: android.hardware.broadcastradio@1.0.so
+VNDK-core: android.hardware.broadcastradio@1.1.so
+VNDK-core: android.hardware.broadcastradio@2.0.so
+VNDK-core: android.hardware.camera.common@1.0.so
+VNDK-core: android.hardware.camera.device@1.0.so
+VNDK-core: android.hardware.camera.device@3.2.so
+VNDK-core: android.hardware.camera.device@3.3.so
+VNDK-core: android.hardware.camera.device@3.4.so
+VNDK-core: android.hardware.camera.device@3.5.so
+VNDK-core: android.hardware.camera.metadata@3.2.so
+VNDK-core: android.hardware.camera.metadata@3.3.so
+VNDK-core: android.hardware.camera.metadata@3.4.so
+VNDK-core: android.hardware.camera.provider@2.4.so
+VNDK-core: android.hardware.camera.provider@2.5.so
+VNDK-core: android.hardware.cas.native@1.0.so
+VNDK-core: android.hardware.cas@1.0.so
+VNDK-core: android.hardware.cas@1.1.so
+VNDK-core: android.hardware.configstore-utils.so
+VNDK-core: android.hardware.configstore@1.0.so
+VNDK-core: android.hardware.configstore@1.1.so
+VNDK-core: android.hardware.confirmationui-support-lib.so
+VNDK-core: android.hardware.confirmationui@1.0.so
+VNDK-core: android.hardware.contexthub@1.0.so
+VNDK-core: android.hardware.drm@1.0.so
+VNDK-core: android.hardware.drm@1.1.so
+VNDK-core: android.hardware.drm@1.2.so
+VNDK-core: android.hardware.dumpstate@1.0.so
+VNDK-core: android.hardware.fastboot@1.0.so
+VNDK-core: android.hardware.gatekeeper@1.0.so
+VNDK-core: android.hardware.gnss.measurement_corrections@1.0.so
+VNDK-core: android.hardware.gnss.visibility_control@1.0.so
+VNDK-core: android.hardware.gnss@1.0.so
+VNDK-core: android.hardware.gnss@1.1.so
+VNDK-core: android.hardware.gnss@2.0.so
+VNDK-core: android.hardware.graphics.allocator@2.0.so
+VNDK-core: android.hardware.graphics.allocator@3.0.so
+VNDK-core: android.hardware.graphics.bufferqueue@1.0.so
+VNDK-core: android.hardware.graphics.bufferqueue@2.0.so
+VNDK-core: android.hardware.graphics.composer@2.1.so
+VNDK-core: android.hardware.graphics.composer@2.2.so
+VNDK-core: android.hardware.graphics.composer@2.3.so
+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.input.classifier@1.0.so
+VNDK-core: android.hardware.input.common@1.0.so
+VNDK-core: android.hardware.ir@1.0.so
+VNDK-core: android.hardware.keymaster@3.0.so
+VNDK-core: android.hardware.keymaster@4.0.so
+VNDK-core: android.hardware.light@2.0.so
+VNDK-core: android.hardware.media.bufferpool@1.0.so
+VNDK-core: android.hardware.media.bufferpool@2.0.so
+VNDK-core: android.hardware.media.c2@1.0.so
+VNDK-core: android.hardware.media.omx@1.0.so
+VNDK-core: android.hardware.media@1.0.so
+VNDK-core: android.hardware.memtrack@1.0.so
+VNDK-core: android.hardware.neuralnetworks@1.0.so
+VNDK-core: android.hardware.neuralnetworks@1.1.so
+VNDK-core: android.hardware.neuralnetworks@1.2.so
+VNDK-core: android.hardware.nfc@1.0.so
+VNDK-core: android.hardware.nfc@1.1.so
+VNDK-core: android.hardware.nfc@1.2.so
+VNDK-core: android.hardware.oemlock@1.0.so
+VNDK-core: android.hardware.power.stats@1.0.so
+VNDK-core: android.hardware.power@1.0.so
+VNDK-core: android.hardware.power@1.1.so
+VNDK-core: android.hardware.power@1.2.so
+VNDK-core: android.hardware.power@1.3.so
+VNDK-core: android.hardware.radio.config@1.0.so
+VNDK-core: android.hardware.radio.config@1.1.so
+VNDK-core: android.hardware.radio.config@1.2.so
+VNDK-core: android.hardware.radio.deprecated@1.0.so
+VNDK-core: android.hardware.radio@1.0.so
+VNDK-core: android.hardware.radio@1.1.so
+VNDK-core: android.hardware.radio@1.2.so
+VNDK-core: android.hardware.radio@1.3.so
+VNDK-core: android.hardware.radio@1.4.so
+VNDK-core: android.hardware.secure_element@1.0.so
+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@2.1.so
+VNDK-core: android.hardware.soundtrigger@2.2.so
+VNDK-core: android.hardware.tetheroffload.config@1.0.so
+VNDK-core: android.hardware.tetheroffload.control@1.0.so
+VNDK-core: android.hardware.thermal@1.0.so
+VNDK-core: android.hardware.thermal@1.1.so
+VNDK-core: android.hardware.thermal@2.0.so
+VNDK-core: android.hardware.tv.cec@1.0.so
+VNDK-core: android.hardware.tv.cec@2.0.so
+VNDK-core: android.hardware.tv.input@1.0.so
+VNDK-core: android.hardware.usb.gadget@1.0.so
+VNDK-core: android.hardware.usb@1.0.so
+VNDK-core: android.hardware.usb@1.1.so
+VNDK-core: android.hardware.usb@1.2.so
+VNDK-core: android.hardware.vibrator@1.0.so
+VNDK-core: android.hardware.vibrator@1.1.so
+VNDK-core: android.hardware.vibrator@1.2.so
+VNDK-core: android.hardware.vibrator@1.3.so
+VNDK-core: android.hardware.vr@1.0.so
+VNDK-core: android.hardware.weaver@1.0.so
+VNDK-core: android.hardware.wifi.hostapd@1.0.so
+VNDK-core: android.hardware.wifi.hostapd@1.1.so
+VNDK-core: android.hardware.wifi.offload@1.0.so
+VNDK-core: android.hardware.wifi.supplicant@1.0.so
+VNDK-core: android.hardware.wifi.supplicant@1.1.so
+VNDK-core: android.hardware.wifi.supplicant@1.2.so
+VNDK-core: android.hardware.wifi@1.0.so
+VNDK-core: android.hardware.wifi@1.1.so
+VNDK-core: android.hardware.wifi@1.2.so
+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.system.net.netd@1.0.so
+VNDK-core: android.system.net.netd@1.1.so
+VNDK-core: android.system.suspend@1.0.so
+VNDK-core: android.system.wifi.keystore@1.0.so
+VNDK-core: libadf.so
+VNDK-core: libaudioroute.so
+VNDK-core: libaudioutils.so
+VNDK-core: libbinder.so
+VNDK-core: libcamera_metadata.so
+VNDK-core: libcap.so
+VNDK-core: libcn-cbor.so
+VNDK-core: libcodec2.so
+VNDK-core: libcrypto.so
+VNDK-core: libcrypto_utils.so
+VNDK-core: libcurl.so
+VNDK-core: libdiskconfig.so
+VNDK-core: libdumpstateutil.so
+VNDK-core: libevent.so
+VNDK-core: libexif.so
+VNDK-core: libexpat.so
+VNDK-core: libfmq.so
+VNDK-core: libgatekeeper.so
+VNDK-core: libgui.so
+VNDK-core: libhardware_legacy.so
+VNDK-core: libhidlallocatorutils.so
+VNDK-core: libhidlcache.so
+VNDK-core: libjpeg.so
+VNDK-core: libkeymaster_messages.so
+VNDK-core: libkeymaster_portable.so
+VNDK-core: libldacBT_abr.so
+VNDK-core: libldacBT_enc.so
+VNDK-core: liblz4.so
+VNDK-core: libmedia_helper.so
+VNDK-core: libmedia_omx.so
+VNDK-core: libmemtrack.so
+VNDK-core: libminijail.so
+VNDK-core: libmkbootimg_abi_check.so
+VNDK-core: libnetutils.so
+VNDK-core: libnl.so
+VNDK-core: libpcre2.so
+VNDK-core: libpiex.so
+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: libpuresoftkeymasterdevice.so
+VNDK-core: libradio_metadata.so
+VNDK-core: libselinux.so
+VNDK-core: libsoftkeymasterdevice.so
+VNDK-core: libspeexresampler.so
+VNDK-core: libsqlite.so
+VNDK-core: libssl.so
+VNDK-core: libstagefright_bufferpool@2.0.so
+VNDK-core: libstagefright_bufferqueue_helper.so
+VNDK-core: libstagefright_foundation.so
+VNDK-core: libstagefright_omx.so
+VNDK-core: libstagefright_omx_utils.so
+VNDK-core: libstagefright_xmlparser.so
+VNDK-core: libsysutils.so
+VNDK-core: libtinyalsa.so
+VNDK-core: libtinyxml2.so
+VNDK-core: libui.so
+VNDK-core: libusbhost.so
+VNDK-core: libwifi-system-iface.so
+VNDK-core: libxml2.so
+VNDK-core: libyuv.so
+VNDK-core: libziparchive.so
+VNDK-private: libbacktrace.so
+VNDK-private: libbinderthreadstate.so
+VNDK-private: libblas.so
+VNDK-private: libcompiler_rt.so
+VNDK-private: libft2.so
+VNDK-private: libgui.so
diff --git a/target/product/gsi/Android.mk b/target/product/gsi/Android.mk
index 018bbb0..54f41ca 100644
--- a/target/product/gsi/Android.mk
+++ b/target/product/gsi/Android.mk
@@ -169,3 +169,38 @@
 include $(BUILD_PHONY_PACKAGE)
 
 endif # BOARD_VNDK_VERSION is set
+
+#####################################################################
+# skip_mount.cfg, read by init to skip mounting some partitions when GSI is used.
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := gsi_skip_mount.cfg
+LOCAL_MODULE_STEM := skip_mount.cfg
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SYSTEM_EXT_MODULE := true
+LOCAL_MODULE_RELATIVE_PATH := init/config
+
+# Adds a symlink under /system/etc/init/config pointing to /system/system_ext/etc/init/config
+# because first-stage init in Android 10.0 will read the skip_mount.cfg from /system/etc/* after
+# chroot /system.
+# TODO: remove this symlink when no need to support new GSI on Android 10.
+# The actual file needs to be under /system/system_ext because it's GSI-specific and does not
+# belong to core CSI.
+LOCAL_POST_INSTALL_CMD := \
+    mkdir -p $(TARGET_OUT)/etc/init; \
+    ln -sf /system/system_ext/etc/init/config $(TARGET_OUT)/etc/init/config
+
+include $(BUILD_PREBUILT)
+
+#####################################################################
+# init.gsi.rc, GSI-specific init script.
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := init.gsi.rc
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SYSTEM_EXT_MODULE := true
+LOCAL_MODULE_RELATIVE_PATH := init
+
+include $(BUILD_PREBUILT)
diff --git a/target/product/gsi/current.txt b/target/product/gsi/current.txt
index 4b6c010..a11531e 100644
--- a/target/product/gsi/current.txt
+++ b/target/product/gsi/current.txt
@@ -19,8 +19,10 @@
 LLNDK: libvulkan.so
 VNDK-SP: android.hardware.graphics.common@1.0.so
 VNDK-SP: android.hardware.graphics.common@1.1.so
+VNDK-SP: android.hardware.graphics.common@1.2.so
 VNDK-SP: android.hardware.graphics.mapper@2.0.so
 VNDK-SP: android.hardware.graphics.mapper@2.1.so
+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
@@ -42,7 +44,6 @@
 VNDK-SP: libhidlmemory.so
 VNDK-SP: libhidltransport.so
 VNDK-SP: libhwbinder.so
-VNDK-SP: libhwbinder_noltopgo.so
 VNDK-SP: libion.so
 VNDK-SP: libjsoncpp.so
 VNDK-SP: liblzma.so
@@ -51,16 +52,17 @@
 VNDK-SP: libutils.so
 VNDK-SP: libutilscallstack.so
 VNDK-SP: libz.so
+VNDK-core: android.frameworks.cameraservice.common@2.0.so
+VNDK-core: android.frameworks.cameraservice.device@2.0.so
+VNDK-core: android.frameworks.cameraservice.service@2.0.so
 VNDK-core: android.frameworks.displayservice@1.0.so
 VNDK-core: android.frameworks.schedulerservice@1.0.so
 VNDK-core: android.frameworks.sensorservice@1.0.so
+VNDK-core: android.frameworks.stats@1.0.so
 VNDK-core: android.frameworks.vr.composer@1.0.so
 VNDK-core: android.hardware.atrace@1.0.so
-VNDK-core: android.hardware.audio.common-util.so
 VNDK-core: android.hardware.audio.common@2.0.so
-VNDK-core: android.hardware.audio.common@2.0-util.so
 VNDK-core: android.hardware.audio.common@4.0.so
-VNDK-core: android.hardware.audio.common@4.0-util.so
 VNDK-core: android.hardware.audio.common@5.0.so
 VNDK-core: android.hardware.audio.effect@2.0.so
 VNDK-core: android.hardware.audio.effect@4.0.so
@@ -72,6 +74,7 @@
 VNDK-core: android.hardware.automotive.audiocontrol@1.0.so
 VNDK-core: android.hardware.automotive.evs@1.0.so
 VNDK-core: android.hardware.automotive.vehicle@2.0.so
+VNDK-core: android.hardware.biometrics.face@1.0.so
 VNDK-core: android.hardware.biometrics.fingerprint@2.1.so
 VNDK-core: android.hardware.bluetooth.a2dp@1.0.so
 VNDK-core: android.hardware.bluetooth.audio@2.0.so
@@ -85,11 +88,15 @@
 VNDK-core: android.hardware.camera.device@3.2.so
 VNDK-core: android.hardware.camera.device@3.3.so
 VNDK-core: android.hardware.camera.device@3.4.so
+VNDK-core: android.hardware.camera.device@3.5.so
 VNDK-core: android.hardware.camera.metadata@3.2.so
 VNDK-core: android.hardware.camera.metadata@3.3.so
+VNDK-core: android.hardware.camera.metadata@3.4.so
 VNDK-core: android.hardware.camera.provider@2.4.so
+VNDK-core: android.hardware.camera.provider@2.5.so
 VNDK-core: android.hardware.cas.native@1.0.so
 VNDK-core: android.hardware.cas@1.0.so
+VNDK-core: android.hardware.cas@1.1.so
 VNDK-core: android.hardware.configstore-utils.so
 VNDK-core: android.hardware.configstore@1.0.so
 VNDK-core: android.hardware.configstore@1.1.so
@@ -98,23 +105,34 @@
 VNDK-core: android.hardware.contexthub@1.0.so
 VNDK-core: android.hardware.drm@1.0.so
 VNDK-core: android.hardware.drm@1.1.so
+VNDK-core: android.hardware.drm@1.2.so
 VNDK-core: android.hardware.dumpstate@1.0.so
 VNDK-core: android.hardware.fastboot@1.0.so
 VNDK-core: android.hardware.gatekeeper@1.0.so
+VNDK-core: android.hardware.gnss.measurement_corrections@1.0.so
+VNDK-core: android.hardware.gnss.visibility_control@1.0.so
 VNDK-core: android.hardware.gnss@1.0.so
 VNDK-core: android.hardware.gnss@1.1.so
+VNDK-core: android.hardware.gnss@2.0.so
 VNDK-core: android.hardware.graphics.allocator@2.0.so
+VNDK-core: android.hardware.graphics.allocator@3.0.so
 VNDK-core: android.hardware.graphics.bufferqueue@1.0.so
+VNDK-core: android.hardware.graphics.bufferqueue@2.0.so
 VNDK-core: android.hardware.graphics.composer@2.1.so
 VNDK-core: android.hardware.graphics.composer@2.2.so
+VNDK-core: android.hardware.graphics.composer@2.3.so
 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.input.classifier@1.0.so
+VNDK-core: android.hardware.input.common@1.0.so
 VNDK-core: android.hardware.ir@1.0.so
 VNDK-core: android.hardware.keymaster@3.0.so
 VNDK-core: android.hardware.keymaster@4.0.so
 VNDK-core: android.hardware.light@2.0.so
 VNDK-core: android.hardware.media.bufferpool@1.0.so
+VNDK-core: android.hardware.media.bufferpool@2.0.so
+VNDK-core: android.hardware.media.c2@1.0.so
 VNDK-core: android.hardware.media.omx@1.0.so
 VNDK-core: android.hardware.media@1.0.so
 VNDK-core: android.hardware.memtrack@1.0.so
@@ -142,31 +160,40 @@
 VNDK-core: android.hardware.secure_element@1.0.so
 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@2.1.so
+VNDK-core: android.hardware.soundtrigger@2.2.so
 VNDK-core: android.hardware.tetheroffload.config@1.0.so
 VNDK-core: android.hardware.tetheroffload.control@1.0.so
 VNDK-core: android.hardware.thermal@1.0.so
 VNDK-core: android.hardware.thermal@1.1.so
+VNDK-core: android.hardware.thermal@2.0.so
 VNDK-core: android.hardware.tv.cec@1.0.so
+VNDK-core: android.hardware.tv.cec@2.0.so
 VNDK-core: android.hardware.tv.input@1.0.so
 VNDK-core: android.hardware.tv.tuner@1.0.so
 VNDK-core: android.hardware.usb.gadget@1.0.so
 VNDK-core: android.hardware.usb@1.0.so
 VNDK-core: android.hardware.usb@1.1.so
+VNDK-core: android.hardware.usb@1.2.so
 VNDK-core: android.hardware.vibrator@1.0.so
 VNDK-core: android.hardware.vibrator@1.1.so
 VNDK-core: android.hardware.vibrator@1.2.so
+VNDK-core: android.hardware.vibrator@1.3.so
 VNDK-core: android.hardware.vr@1.0.so
 VNDK-core: android.hardware.weaver@1.0.so
 VNDK-core: android.hardware.wifi.hostapd@1.0.so
+VNDK-core: android.hardware.wifi.hostapd@1.1.so
 VNDK-core: android.hardware.wifi.offload@1.0.so
 VNDK-core: android.hardware.wifi.supplicant@1.0.so
 VNDK-core: android.hardware.wifi.supplicant@1.1.so
+VNDK-core: android.hardware.wifi.supplicant@1.2.so
 VNDK-core: android.hardware.wifi@1.0.so
 VNDK-core: android.hardware.wifi@1.1.so
 VNDK-core: android.hardware.wifi@1.2.so
+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
@@ -183,6 +210,7 @@
 VNDK-core: libcamera_metadata.so
 VNDK-core: libcap.so
 VNDK-core: libcn-cbor.so
+VNDK-core: libcodec2.so
 VNDK-core: libcrypto.so
 VNDK-core: libcrypto_utils.so
 VNDK-core: libcurl.so
@@ -209,7 +237,6 @@
 VNDK-core: libmkbootimg_abi_check.so
 VNDK-core: libnetutils.so
 VNDK-core: libnl.so
-VNDK-core: libopus.so
 VNDK-core: libpcre2.so
 VNDK-core: libpiex.so
 VNDK-core: libpng.so
@@ -224,41 +251,17 @@
 VNDK-core: libspeexresampler.so
 VNDK-core: libsqlite.so
 VNDK-core: libssl.so
-VNDK-core: libstagefright_amrnb_common.so
+VNDK-core: libstagefright_bufferpool@2.0.so
 VNDK-core: libstagefright_bufferqueue_helper.so
-VNDK-core: libstagefright_enc_common.so
-VNDK-core: libstagefright_flacdec.so
 VNDK-core: libstagefright_foundation.so
 VNDK-core: libstagefright_omx.so
 VNDK-core: libstagefright_omx_utils.so
-VNDK-core: libstagefright_soft_aacdec.so
-VNDK-core: libstagefright_soft_aacenc.so
-VNDK-core: libstagefright_soft_amrdec.so
-VNDK-core: libstagefright_soft_amrnbenc.so
-VNDK-core: libstagefright_soft_amrwbenc.so
-VNDK-core: libstagefright_soft_avcdec.so
-VNDK-core: libstagefright_soft_avcenc.so
-VNDK-core: libstagefright_soft_flacdec.so
-VNDK-core: libstagefright_soft_flacenc.so
-VNDK-core: libstagefright_soft_g711dec.so
-VNDK-core: libstagefright_soft_gsmdec.so
-VNDK-core: libstagefright_soft_hevcdec.so
-VNDK-core: libstagefright_soft_mp3dec.so
-VNDK-core: libstagefright_soft_mpeg2dec.so
-VNDK-core: libstagefright_soft_mpeg4dec.so
-VNDK-core: libstagefright_soft_mpeg4enc.so
-VNDK-core: libstagefright_soft_opusdec.so
-VNDK-core: libstagefright_soft_rawdec.so
-VNDK-core: libstagefright_soft_vorbisdec.so
-VNDK-core: libstagefright_soft_vpxdec.so
-VNDK-core: libstagefright_soft_vpxenc.so
 VNDK-core: libstagefright_xmlparser.so
 VNDK-core: libsysutils.so
 VNDK-core: libtinyalsa.so
 VNDK-core: libtinyxml2.so
 VNDK-core: libui.so
 VNDK-core: libusbhost.so
-VNDK-core: libvorbisidec.so
 VNDK-core: libwifi-system-iface.so
 VNDK-core: libxml2.so
 VNDK-core: libyuv.so
diff --git a/target/product/gsi/skip_mount.cfg b/target/product/gsi/gsi_skip_mount.cfg
similarity index 100%
rename from target/product/gsi/skip_mount.cfg
rename to target/product/gsi/gsi_skip_mount.cfg
diff --git a/target/product/gsi_common.mk b/target/product/gsi_common.mk
index 1b5cd55..bfecc95 100644
--- a/target/product/gsi_common.mk
+++ b/target/product/gsi_common.mk
@@ -50,11 +50,6 @@
 # Some GSI builds enable dexpreopt, whitelist these preopt files
 PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += %.odex %.vdex %.art
 
-# Exclude GSI specific files
-PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
-    system/etc/init/config/skip_mount.cfg \
-    system/etc/init/init.gsi.rc \
-
 # Exclude all files under system/product and system/system_ext
 PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
     system/product/% \
@@ -71,9 +66,9 @@
 PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE := true
 
 # GSI specific tasks on boot
-PRODUCT_COPY_FILES += \
-    build/make/target/product/gsi/skip_mount.cfg:system/etc/init/config/skip_mount.cfg \
-    build/make/target/product/gsi/init.gsi.rc:system/etc/init/init.gsi.rc \
+PRODUCT_PACKAGES += \
+    gsi_skip_mount.cfg \
+    init.gsi.rc
 
 # Support addtional P vendor interface
 PRODUCT_EXTRA_VNDK_VERSIONS := 28
diff --git a/target/product/gsi_release.mk b/target/product/gsi_release.mk
index 4c471db..cab3916 100644
--- a/target/product/gsi_release.mk
+++ b/target/product/gsi_release.mk
@@ -24,11 +24,6 @@
 # - etc.
 #
 
-# Exclude GSI specific files
-PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
-    system/etc/init/config/skip_mount.cfg \
-    system/etc/init/init.gsi.rc \
-
 # Exclude all files under system/product and system/system_ext
 PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
     system/product/% \
@@ -50,12 +45,12 @@
 PRODUCT_COMPATIBLE_PROPERTY_OVERRIDE := true
 
 # GSI specific tasks on boot
-PRODUCT_COPY_FILES += \
-    build/make/target/product/gsi/skip_mount.cfg:system/etc/init/config/skip_mount.cfg \
-    build/make/target/product/gsi/init.gsi.rc:system/etc/init/init.gsi.rc \
+PRODUCT_PACKAGES += \
+    gsi_skip_mount.cfg \
+    init.gsi.rc
 
-# Support addtional P VNDK packages
-PRODUCT_EXTRA_VNDK_VERSIONS := 28
+# Support addtional P and Q VNDK packages
+PRODUCT_EXTRA_VNDK_VERSIONS := 28 29
 
 # The 64 bits GSI build targets inhiert core_64_bit.mk to enable 64 bits and
 # include the init.zygote64_32.rc.
diff --git a/target/product/handheld_product.mk b/target/product/handheld_product.mk
index 758fa9b..0d100b2 100644
--- a/target/product/handheld_product.mk
+++ b/target/product/handheld_product.mk
@@ -40,3 +40,7 @@
     StorageManager \
     SystemUI \
     WallpaperCropper \
+    frameworks-base-overlays
+
+PRODUCT_PACKAGES_DEBUG += \
+    frameworks-base-overlays-debug
diff --git a/target/product/handheld_system.mk b/target/product/handheld_system.mk
index a4dd6d7..6463a54 100644
--- a/target/product/handheld_system.mk
+++ b/target/product/handheld_system.mk
@@ -24,6 +24,7 @@
 $(call inherit-product-if-exists, external/google-fonts/carrois-gothic-sc/fonts.mk)
 $(call inherit-product-if-exists, external/google-fonts/coming-soon/fonts.mk)
 $(call inherit-product-if-exists, external/google-fonts/cutive-mono/fonts.mk)
+$(call inherit-product-if-exists, external/google-fonts/source-sans-pro/fonts.mk)
 $(call inherit-product-if-exists, external/noto-fonts/fonts.mk)
 $(call inherit-product-if-exists, external/roboto-fonts/fonts.mk)
 $(call inherit-product-if-exists, external/hyphenation-patterns/patterns.mk)
@@ -56,6 +57,7 @@
     MtpDocumentsProvider \
     MusicFX \
     NfcNci \
+    OsuLogin \
     PacProcessor \
     PrintRecommendationService \
     PrintSpooler \
diff --git a/target/product/handheld_vendor.mk b/target/product/handheld_vendor.mk
index ca7760a..cb7cf74 100644
--- a/target/product/handheld_vendor.mk
+++ b/target/product/handheld_vendor.mk
@@ -23,10 +23,7 @@
 # /vendor packages
 PRODUCT_PACKAGES += \
     audio.primary.default \
-    DisplayCutoutEmulationCornerOverlay \
-    DisplayCutoutEmulationDoubleOverlay \
-    DisplayCutoutEmulationTallOverlay \
     local_time.default \
     power.default \
-    SysuiDarkThemeOverlay \
     vibrator.default \
+
diff --git a/target/product/mainline_arm64.mk b/target/product/mainline_arm64.mk
index a32bb16..6d998d6 100644
--- a/target/product/mainline_arm64.mk
+++ b/target/product/mainline_arm64.mk
@@ -28,8 +28,6 @@
 PRODUCT_ENFORCE_ARTIFACT_PATH_REQUIREMENTS := relaxed
 PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
   root/init.zygote64_32.rc \
-  system/etc/seccomp_policy/crash_dump.arm.policy \
-  system/etc/seccomp_policy/mediacodec.policy \
 
 # Modules that should probably be moved to /product
 PRODUCT_ARTIFACT_PATH_REQUIREMENT_WHITELIST += \
diff --git a/target/product/mainline_system.mk b/target/product/mainline_system.mk
index 1ada3c7..43bc45f 100644
--- a/target/product/mainline_system.mk
+++ b/target/product/mainline_system.mk
@@ -18,8 +18,6 @@
 $(call inherit-product, $(SRC_TARGET_DIR)/product/handheld_system.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/telephony_system.mk)
 $(call inherit-product, $(SRC_TARGET_DIR)/product/languages_default.mk)
-# Enable updating of APEXes
-#$(call inherit-product, $(SRC_TARGET_DIR)/product/updatable_apex.mk)
 # Add adb keys to debuggable AOSP builds (if they exist)
 $(call inherit-product-if-exists, vendor/google/security/adb/vendor_key.mk)
 
@@ -87,6 +85,11 @@
     libnl \
     libprotobuf-cpp-full \
 
+# Camera service uses 'libdepthphoto' for adding dynamic depth
+# metadata inside depth jpegs.
+PRODUCT_PACKAGES += \
+    libdepthphoto \
+
 PRODUCT_PACKAGES_DEBUG += \
     avbctl \
     bootctl \
@@ -102,6 +105,9 @@
 # Enable dynamic partition size
 PRODUCT_USE_DYNAMIC_PARTITION_SIZE := true
 
+PRODUCT_PACKAGES += \
+    com.android.apex.cts.shim.v1_prebuilt
+
 PRODUCT_NAME := mainline_system
 PRODUCT_BRAND := generic
 
diff --git a/target/product/media_system.mk b/target/product/media_system.mk
index 2ba7005..5c0902d 100644
--- a/target/product/media_system.mk
+++ b/target/product/media_system.mk
@@ -31,31 +31,9 @@
     fsck.f2fs \
     HTMLViewer \
     libfilterpack_imageproc \
-    libstagefright_soft_aacdec \
-    libstagefright_soft_aacenc \
-    libstagefright_soft_amrdec \
-    libstagefright_soft_amrnbenc \
-    libstagefright_soft_amrwbenc \
-    libstagefright_soft_avcdec \
-    libstagefright_soft_avcenc \
-    libstagefright_soft_flacdec \
-    libstagefright_soft_flacenc \
-    libstagefright_soft_g711dec \
-    libstagefright_soft_gsmdec \
-    libstagefright_soft_hevcdec \
-    libstagefright_soft_mp3dec \
-    libstagefright_soft_mpeg2dec \
-    libstagefright_soft_mpeg4dec \
-    libstagefright_soft_mpeg4enc \
-    libstagefright_soft_opusdec \
-    libstagefright_soft_rawdec \
-    libstagefright_soft_vorbisdec \
-    libstagefright_soft_vpxdec \
-    libstagefright_soft_vpxenc \
     libwebviewchromium_loader \
     libwebviewchromium_plat_support \
     make_f2fs \
-    PackageInstaller \
     requestsync \
     StatementService \
     vndk_snapshot_package \
diff --git a/target/product/updatable_apex.mk b/target/product/updatable_apex.mk
index 038f66e..a9f4baf 100644
--- a/target/product/updatable_apex.mk
+++ b/target/product/updatable_apex.mk
@@ -17,5 +17,4 @@
 # Inherit this when the target needs to support updating APEXes
 
 PRODUCT_PROPERTY_OVERRIDES := ro.apex.updatable=true
-PRODUCT_PACKAGES := com.android.apex.cts.shim.v1_prebuilt
 TARGET_FLATTEN_APEX := false
diff --git a/tools/auto_gen_test_config_test.py b/tools/auto_gen_test_config_test.py
index e68c27f..51a8583 100644
--- a/tools/auto_gen_test_config_test.py
+++ b/tools/auto_gen_test_config_test.py
@@ -34,7 +34,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.android.my.tests.x">
     <instrumentation
-        android:name="android.support.test.runner.AndroidJUnitRunner"
+        android:name="androidx.test.runner.AndroidJUnitRunner"
         android:targetPackage="com.android.my.tests" />
 </manifest>
 """
@@ -72,7 +72,7 @@
 
     <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
         <option name="package" value="com.android.my.tests.x" />
-        <option name="runner" value="android.support.test.runner.AndroidJUnitRunner" />
+        <option name="runner" value="androidx.test.runner.AndroidJUnitRunner" />
     </test>
 </configuration>
 """
diff --git a/tools/releasetools/Android.bp b/tools/releasetools/Android.bp
index 3308f3d..6cde77e 100644
--- a/tools/releasetools/Android.bp
+++ b/tools/releasetools/Android.bp
@@ -105,6 +105,7 @@
     ],
     required: [
         "brillo_update_payload",
+        "checkvintf",
     ],
 }
 
@@ -180,7 +181,7 @@
     // Only the tools that are referenced directly are listed as required modules. For example,
     // `avbtool` is not here, as the script always uses the one from info_dict['avb_avbtool'].
     required: [
-        "aapt",
+        "aapt2",
         "boot_signer",
         "brotli",
         "bsdiff",
@@ -343,6 +344,9 @@
         "releasetools_img_from_target_files",
         "releasetools_ota_from_target_files",
     ],
+    required: [
+        "checkvintf",
+    ],
 }
 
 python_binary_host {
diff --git a/tools/releasetools/build_super_image.py b/tools/releasetools/build_super_image.py
index 045ad55..f63453d 100755
--- a/tools/releasetools/build_super_image.py
+++ b/tools/releasetools/build_super_image.py
@@ -80,10 +80,12 @@
   block_devices = shlex.split(info_dict.get("super_block_devices", "").strip())
   groups = shlex.split(info_dict.get("super_partition_groups", "").strip())
 
-  if ab_update:
+  if ab_update and retrofit:
     cmd += ["--metadata-slots", "2"]
+  elif ab_update:
+    cmd += ["--metadata-slots", "3"]
   else:
-    cmd += ["--metadata-slots", "1"]
+    cmd += ["--metadata-slots", "2"]
 
   if ab_update and retrofit:
     cmd.append("--auto-slot-suffixing")
diff --git a/tools/releasetools/check_target_files_signatures.py b/tools/releasetools/check_target_files_signatures.py
index 60200a3..8c1bb9a 100755
--- a/tools/releasetools/check_target_files_signatures.py
+++ b/tools/releasetools/check_target_files_signatures.py
@@ -213,7 +213,7 @@
     self.certs = frozenset(out)
 
   def ReadManifest(self, full_filename):
-    p = common.Run(["aapt", "dump", "xmltree", full_filename,
+    p = common.Run(["aapt2", "dump", "xmltree", full_filename, "--file",
                     "AndroidManifest.xml"],
                    stdout=subprocess.PIPE)
     manifest, err = p.communicate()
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 8339cad..6756049 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -1200,7 +1200,7 @@
 def GetMinSdkVersion(apk_name):
   """Gets the minSdkVersion declared in the APK.
 
-  It calls 'aapt' to query the embedded minSdkVersion from the given APK file.
+  It calls 'aapt2' to query the embedded minSdkVersion from the given APK file.
   This can be both a decimal number (API Level) or a codename.
 
   Args:
@@ -1213,12 +1213,12 @@
     ExternalError: On failing to obtain the min SDK version.
   """
   proc = Run(
-      ["aapt", "dump", "badging", apk_name], stdout=subprocess.PIPE,
+      ["aapt2", "dump", "badging", apk_name], stdout=subprocess.PIPE,
       stderr=subprocess.PIPE)
   stdoutdata, stderrdata = proc.communicate()
   if proc.returncode != 0:
     raise ExternalError(
-        "Failed to obtain minSdkVersion: aapt return code {}:\n{}\n{}".format(
+        "Failed to obtain minSdkVersion: aapt2 return code {}:\n{}\n{}".format(
             proc.returncode, stdoutdata, stderrdata))
 
   for line in stdoutdata.split("\n"):
@@ -1226,7 +1226,7 @@
     m = re.match(r'sdkVersion:\'([^\']*)\'', line)
     if m:
       return m.group(1)
-  raise ExternalError("No minSdkVersion returned by aapt")
+  raise ExternalError("No minSdkVersion returned by aapt2")
 
 
 def GetMinSdkVersionInt(apk_name, codename_to_api_level_map):
diff --git a/tools/releasetools/test_sign_target_files_apks.py b/tools/releasetools/test_sign_target_files_apks.py
index 70c147e..e0a635a 100644
--- a/tools/releasetools/test_sign_target_files_apks.py
+++ b/tools/releasetools/test_sign_target_files_apks.py
@@ -525,3 +525,26 @@
             'system/apex/apexd/apexd_testdata/com.android.apex.test_package_2.pem',
             'build/make/target/product/security/testkey'),
         }, keys_info)
+
+  def test_ReadApexKeysInfo_presignedKeys(self):
+    apex_keys = self.APEX_KEYS_TXT + (
+        'name="apex.apexd_test_different_app2.apex" '
+        'private_key="PRESIGNED" '
+        'public_key="PRESIGNED" '
+        'container_certificate="PRESIGNED" '
+        'container_private_key="PRESIGNED"')
+    target_files = common.MakeTempFile(suffix='.zip')
+    with zipfile.ZipFile(target_files, 'w') as target_files_zip:
+      target_files_zip.writestr('META/apexkeys.txt', apex_keys)
+
+    with zipfile.ZipFile(target_files) as target_files_zip:
+      keys_info = ReadApexKeysInfo(target_files_zip)
+
+    self.assertEqual({
+        'apex.apexd_test.apex': (
+            'system/apex/apexd/apexd_testdata/com.android.apex.test_package.pem',
+            'build/make/target/product/security/testkey'),
+        'apex.apexd_test_different_app.apex': (
+            'system/apex/apexd/apexd_testdata/com.android.apex.test_package_2.pem',
+            'build/make/target/product/security/testkey'),
+        }, keys_info)