diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 6c32da4..c912d5b 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -71,6 +71,15 @@
 
 $(call soong_config_set,art_module,source_build,$(ART_MODULE_BUILD_FROM_SOURCE))
 
+# Ensure that those mainline modules who have individually toggleable prebuilts
+# are controlled by the MODULE_BUILD_FROM_SOURCE environment variable by
+# default.
+INDIVIDUALLY_TOGGLEABLE_PREBUILT_MODULES := \
+  wifi \
+
+$(foreach m, $(INDIVIDUALLY_TOGGLEABLE_PREBUILT_MODULES),\
+  $(call soong_config_set,$(m)_module,source_build,$(MODULE_BUILD_FROM_SOURCE)))
+
 # Apex build mode variables
 ifdef APEX_BUILD_FOR_PRE_S_DEVICES
 $(call add_soong_config_var_value,ANDROID,library_linking_strategy,prefer_static)
diff --git a/core/config.mk b/core/config.mk
index 247103d..c0dea95 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -155,8 +155,8 @@
 $(KATI_obsolete_var COVERAGE_EXCLUDE_PATHS,Use NATIVE_COVERAGE_EXCLUDE_PATHS instead)
 $(KATI_obsolete_var BOARD_VNDK_RUNTIME_DISABLE,VNDK-Lite is no longer supported)
 $(KATI_obsolete_var LOCAL_SANITIZE_BLACKLIST,Use LOCAL_SANITIZE_BLOCKLIST instead)
-$(KATI_deprecated_var BOARD_PLAT_PUBLIC_SEPOLICY_DIR,Use SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS instead)
-$(KATI_deprecated_var BOARD_PLAT_PRIVATE_SEPOLICY_DIR,Use SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS instead)
+$(KATI_obsolete_var BOARD_PLAT_PUBLIC_SEPOLICY_DIR,Use SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS instead)
+$(KATI_obsolete_var BOARD_PLAT_PRIVATE_SEPOLICY_DIR,Use SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS instead)
 $(KATI_obsolete_var TARGET_NO_VENDOR_BOOT,Use PRODUCT_BUILD_VENDOR_BOOT_IMAGE instead)
 $(KATI_obsolete_var PRODUCT_CHECK_ELF_FILES,Use BUILD_BROKEN_PREBUILT_ELF_FILES instead)
 $(KATI_obsolete_var ALL_GENERATED_SOURCES,ALL_GENERATED_SOURCES is no longer used)
diff --git a/core/dex_preopt_config_merger.py b/core/dex_preopt_config_merger.py
index 401e8a8..4efcc17 100755
--- a/core/dex_preopt_config_merger.py
+++ b/core/dex_preopt_config_merger.py
@@ -31,7 +31,6 @@
 
 import json
 from collections import OrderedDict
-import os
 import sys
 
 
@@ -43,9 +42,8 @@
   # Read all JSON configs.
   cfgs = []
   for arg in sys.argv[1:]:
-    if os.stat(arg).st_size != 0:
-      with open(arg, 'r') as f:
-        cfgs.append(json.load(f, object_pairs_hook=OrderedDict))
+    with open(arg, 'r') as f:
+      cfgs.append(json.load(f, object_pairs_hook=OrderedDict))
 
   # The first config is the dexpreopted library/app, the rest are its
   # <uses-library> dependencies.
@@ -90,33 +88,6 @@
       clcs2.append(clc)
     clc_map2[sdk_ver] = clcs2
 
-  # Go over all uses-libraries in dependency dexpreopt.config files (these don't
-  # have to be uses-libraries themselves, they can be e.g. transitive static
-  # library dependencies) and merge their CLC to the current one
-  for ulib, cfg in uses_libs.items():
-    any_sdk_ver = 'any' # not interested in compatibility libraries
-    clcs = cfg['ClassLoaderContexts'].get(any_sdk_ver, [])
-
-    # If the dependency is a uses-library itself, its uses-library dependencies
-    # are added as a subcontext, so don't add them to top-level CLC.
-    dep_is_a_uses_lib = False
-    for clc2 in clc_map2[any_sdk_ver]:
-      if clc2['Name'] == cfg['ProvidesUsesLibrary']:
-        dep_is_a_uses_lib = True
-    if dep_is_a_uses_lib:
-      continue
-
-    # Check if CLC for these libraries is already present (avoid duplicates).
-    # Don't bother optimizing quadratic loop, since CLC is typically small.
-    for clc in clcs:
-      already_in_clc = False
-      for clc2 in clc_map2[any_sdk_ver]:
-        if clc2['Name'] == clc['Name']:
-          already_in_clc = True
-          break
-      if not already_in_clc:
-        clc_map2[any_sdk_ver] += clcs
-
   # Overwrite the original class loader context with the patched one.
   cfg0['ClassLoaderContexts'] = clc_map2
 
diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 9d6436f..216168b 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -110,8 +110,7 @@
 # Local module variables and functions used in dexpreopt and manifest_check.
 ################################################################################
 
-my_dexpreopt_libs_required := $(LOCAL_USES_LIBRARIES)
-my_dexpreopt_libs_optional := $(filter-out $(INTERNAL_PLATFORM_MISSING_USES_LIBRARIES), \
+my_filtered_optional_uses_libraries := $(filter-out $(INTERNAL_PLATFORM_MISSING_USES_LIBRARIES), \
   $(LOCAL_OPTIONAL_USES_LIBRARIES))
 
 # TODO(b/132357300): This may filter out too much, as PRODUCT_PACKAGES doesn't
@@ -121,7 +120,8 @@
 # to load dexpreopt code on device. We should fix this, either by deferring
 # dependency computation until the full list of product packages is known, or
 # by adding product-specific lists of missing libraries.
-my_dexpreopt_libs_optional := $(filter $(PRODUCT_PACKAGES), $(my_dexpreopt_libs_optional))
+my_filtered_optional_uses_libraries := $(filter $(PRODUCT_PACKAGES), \
+  $(my_filtered_optional_uses_libraries))
 
 ifeq ($(LOCAL_MODULE_CLASS),APPS)
   # compatibility libraries are added to class loader context of an app only if
@@ -146,6 +146,10 @@
   my_dexpreopt_libs_compat :=
 endif
 
+my_dexpreopt_libs := \
+  $(LOCAL_USES_LIBRARIES) \
+  $(my_filtered_optional_uses_libraries)
+
 # Module dexpreopt.config depends on dexpreopt.config files of each
 # <uses-library> dependency, because these libraries may be processed after
 # the current module by Make (there's no topological order), so the dependency
@@ -153,12 +157,11 @@
 # this dexpreopt.config is generated. So it's necessary to add file-level
 # dependencies between dexpreopt.config files.
 my_dexpreopt_dep_configs := $(foreach lib, \
-  $(filter-out $(my_dexpreopt_libs_compat),$(my_dexpreopt_libs_required) $(my_dexpreopt_libs_optional)), \
+  $(filter-out $(my_dexpreopt_libs_compat),$(LOCAL_USES_LIBRARIES) $(my_filtered_optional_uses_libraries)), \
   $(call intermediates-dir-for,JAVA_LIBRARIES,$(lib),,)/dexpreopt.config)
 
 # 1: SDK version
 # 2: list of libraries
-# 3: boolean, true if optional, else required
 #
 # Make does not process modules in topological order wrt. <uses-library>
 # dependencies, therefore we cannot rely on variables to get the information
@@ -177,48 +180,12 @@
   $(foreach lib, $(2),\
     $(call add_json_map_anon) \
     $(call add_json_str, Name, $(lib)) \
-    $(call add_json_bool, Optional, $(filter true,$(3))) \
     $(call add_json_str, Host, $(call intermediates-dir-for,JAVA_LIBRARIES,$(lib),,COMMON)/javalib.jar) \
     $(call add_json_str, Device, /system/framework/$(lib).jar) \
     $(call add_json_val, Subcontexts, null) \
     $(call end_json_map)) \
   $(call end_json_array)
 
-my_dexpreopt_archs :=
-my_dexpreopt_images :=
-my_dexpreopt_images_deps :=
-my_dexpreopt_image_locations_on_host :=
-my_dexpreopt_image_locations_on_device :=
-# Infix can be 'boot' or 'art'. Soong creates a set of variables for Make, one
-# for each boot image (primary and the framework extension). The only reason why
-# the primary image is exposed to Make is testing (art gtests) and benchmarking
-# (art golem benchmarks). Install rules that use those variables are in
-# dex_preopt_libart.mk. Here for dexpreopt purposes the infix is always 'boot'.
-my_dexpreopt_infix := boot
-
-ifdef LOCAL_DEX_PREOPT
-  ifeq (,$(filter PRESIGNED,$(LOCAL_CERTIFICATE)))
-    # Store uncompressed dex files preopted in /system
-    ifeq ($(BOARD_USES_SYSTEM_OTHER_ODEX),true)
-      ifeq ($(call install-on-system-other, $(my_module_path)),)
-        LOCAL_UNCOMPRESS_DEX := true
-      endif  # install-on-system-other
-    else  # BOARD_USES_SYSTEM_OTHER_ODEX
-      LOCAL_UNCOMPRESS_DEX := true
-    endif
-  endif
-  my_create_dexpreopt_config := true
-endif
-
-# dexpreopt is disabled when TARGET_BUILD_UNBUNDLED_IMAGE is true,
-# but dexpreopt config files are required to dexpreopt in post-processing.
-ifeq ($(TARGET_BUILD_UNBUNDLED_IMAGE),true)
-  my_create_dexpreopt_config := true
-endif
-
-# This is needed for both <uses-library> check and dexpreopt command.
-my_dexpreopt_config := $(intermediates)/dexpreopt.config
-
 ################################################################################
 # Verify <uses-library> coherence between the build system and the manifest.
 ################################################################################
@@ -271,13 +238,7 @@
     $(LOCAL_OPTIONAL_USES_LIBRARIES))
   my_relax_check_arg := $(if $(filter true,$(RELAX_USES_LIBRARY_CHECK)), \
     --enforce-uses-libraries-relax,)
-
-  my_dexpreopt_config_deps := $(my_dexpreopt_dep_configs)
-  my_dexpreopt_config_args := $(patsubst %,--dexpreopt-dep-config %,$(my_dexpreopt_dep_configs))
-  ifeq ($(my_create_dexpreopt_config), true)
-    my_dexpreopt_config_deps += $(my_dexpreopt_config)
-    my_dexpreopt_config_args += --dexpreopt-config $(my_dexpreopt_config)
-  endif
+  my_dexpreopt_config_args := $(patsubst %,--dexpreopt-config %,$(my_dexpreopt_dep_configs))
 
   my_enforced_uses_libraries := $(intermediates.COMMON)/enforce_uses_libraries.status
   $(my_enforced_uses_libraries): PRIVATE_USES_LIBRARIES := $(my_uses_libs_args)
@@ -286,7 +247,7 @@
   $(my_enforced_uses_libraries): PRIVATE_RELAX_CHECK := $(my_relax_check_arg)
   $(my_enforced_uses_libraries): $(AAPT)
   $(my_enforced_uses_libraries): $(my_verify_script)
-  $(my_enforced_uses_libraries): $(my_dexpreopt_config_deps)
+  $(my_enforced_uses_libraries): $(my_dexpreopt_dep_configs)
   $(my_enforced_uses_libraries): $(my_manifest_or_apk)
 	@echo Verifying uses-libraries: $<
 	rm -f $@
@@ -306,6 +267,39 @@
 # Dexpreopt command.
 ################################################################################
 
+my_dexpreopt_archs :=
+my_dexpreopt_images :=
+my_dexpreopt_images_deps :=
+my_dexpreopt_image_locations_on_host :=
+my_dexpreopt_image_locations_on_device :=
+# Infix can be 'boot' or 'art'. Soong creates a set of variables for Make, one
+# for each boot image (primary and the framework extension). The only reason why
+# the primary image is exposed to Make is testing (art gtests) and benchmarking
+# (art golem benchmarks). Install rules that use those variables are in
+# dex_preopt_libart.mk. Here for dexpreopt purposes the infix is always 'boot'.
+my_dexpreopt_infix := boot
+my_create_dexpreopt_config :=
+
+ifdef LOCAL_DEX_PREOPT
+  ifeq (,$(filter PRESIGNED,$(LOCAL_CERTIFICATE)))
+    # Store uncompressed dex files preopted in /system
+    ifeq ($(BOARD_USES_SYSTEM_OTHER_ODEX),true)
+      ifeq ($(call install-on-system-other, $(my_module_path)),)
+        LOCAL_UNCOMPRESS_DEX := true
+      endif  # install-on-system-other
+    else  # BOARD_USES_SYSTEM_OTHER_ODEX
+      LOCAL_UNCOMPRESS_DEX := true
+    endif
+  endif
+  my_create_dexpreopt_config := true
+endif
+
+# dexpreopt is disabled when TARGET_BUILD_UNBUNDLED_IMAGE is true,
+# but dexpreopt config files are required to dexpreopt in post-processing.
+ifeq ($(TARGET_BUILD_UNBUNDLED_IMAGE),true)
+  my_create_dexpreopt_config := true
+endif
+
 ifeq ($(my_create_dexpreopt_config), true)
   ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
     my_module_multilib := $(LOCAL_MULTILIB)
@@ -395,11 +389,10 @@
   $(call add_json_bool, EnforceUsesLibraries,           $(filter true,$(LOCAL_ENFORCE_USES_LIBRARIES)))
   $(call add_json_str,  ProvidesUsesLibrary,            $(firstword $(LOCAL_PROVIDES_USES_LIBRARY) $(LOCAL_MODULE)))
   $(call add_json_map,  ClassLoaderContexts)
-  $(call add_json_class_loader_context, any, $(my_dexpreopt_libs_required),)
-  $(call add_json_class_loader_context, any, $(my_dexpreopt_libs_optional),true)
-  $(call add_json_class_loader_context,  28, $(my_dexpreopt_libs_compat_28),)
-  $(call add_json_class_loader_context,  29, $(my_dexpreopt_libs_compat_29),)
-  $(call add_json_class_loader_context,  30, $(my_dexpreopt_libs_compat_30),)
+  $(call add_json_class_loader_context, any, $(my_dexpreopt_libs))
+  $(call add_json_class_loader_context,  28, $(my_dexpreopt_libs_compat_28))
+  $(call add_json_class_loader_context,  29, $(my_dexpreopt_libs_compat_29))
+  $(call add_json_class_loader_context,  30, $(my_dexpreopt_libs_compat_30))
   $(call end_json_map)
   $(call add_json_list, Archs,                          $(my_dexpreopt_archs))
   $(call add_json_list, DexPreoptImages,                $(my_dexpreopt_images))
@@ -414,6 +407,7 @@
 
   $(call json_end)
 
+  my_dexpreopt_config := $(intermediates)/dexpreopt.config
   my_dexpreopt_config_for_postprocessing := $(PRODUCT_OUT)/dexpreopt_config/$(LOCAL_MODULE)_dexpreopt.config
   my_dexpreopt_config_merger := $(BUILD_SYSTEM)/dex_preopt_config_merger.py
 
@@ -472,7 +466,7 @@
   my_dexpreopt_deps := $(my_dex_jar)
   my_dexpreopt_deps += $(if $(my_process_profile),$(LOCAL_DEX_PREOPT_PROFILE))
   my_dexpreopt_deps += \
-    $(foreach lib, $(my_dexpreopt_libs_required) $(my_dexpreopt_libs_optional) $(my_dexpreopt_libs_compat), \
+    $(foreach lib, $(my_dexpreopt_libs) $(my_dexpreopt_libs_compat), \
       $(call intermediates-dir-for,JAVA_LIBRARIES,$(lib),,COMMON)/javalib.jar)
   my_dexpreopt_deps += $(my_dexpreopt_images_deps)
   my_dexpreopt_deps += $(DEXPREOPT_BOOTCLASSPATH_DEX_FILES)
@@ -512,4 +506,4 @@
   my_dexpreopt_zip :=
   my_dexpreopt_config_for_postprocessing :=
 endif # LOCAL_DEX_PREOPT
-endif # my_create_dexpreopt_config
+endif # my_create_dexpreopt_config
\ No newline at end of file
diff --git a/core/envsetup.mk b/core/envsetup.mk
index c32d380..d116aaf 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -326,8 +326,6 @@
 # raw ones.
 define dump-variables-rbc
 $(eval _dump_variables_rbc_excluded := \
-  BOARD_PLAT_PRIVATE_SEPOLICY_DIR \
-  BOARD_PLAT_PUBLIC_SEPOLICY_DIR \
   BUILD_NUMBER \
   DATE \
   LOCAL_PATH \
diff --git a/core/main.mk b/core/main.mk
index 2cfea45..cdbc3ef 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -460,6 +460,9 @@
 
 ADDITIONAL_SYSTEM_PROPERTIES += net.bt.name=Android
 
+# This property is set by flashing debug boot image, so default to false.
+ADDITIONAL_SYSTEM_PROPERTIES += ro.force.debuggable=0
+
 # ------------------------------------------------------------
 # Define a function that, given a list of module tags, returns
 # non-empty if that module should be installed in /system.
diff --git a/core/soong_config.mk b/core/soong_config.mk
index c84676b..7b8f6df 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -207,9 +207,8 @@
 $(call add_json_list, BoardVendorDlkmSepolicyDirs,       $(BOARD_VENDOR_DLKM_SEPOLICY_DIRS))
 $(call add_json_list, BoardOdmDlkmSepolicyDirs,          $(BOARD_ODM_DLKM_SEPOLICY_DIRS))
 $(call add_json_list, BoardSystemDlkmSepolicyDirs,       $(BOARD_SYSTEM_DLKM_SEPOLICY_DIRS))
-# TODO: BOARD_PLAT_* dirs only kept for compatibility reasons. Will be a hard error on API level 31
-$(call add_json_list, SystemExtPublicSepolicyDirs,       $(SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS) $(BOARD_PLAT_PUBLIC_SEPOLICY_DIR))
-$(call add_json_list, SystemExtPrivateSepolicyDirs,      $(SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS) $(BOARD_PLAT_PRIVATE_SEPOLICY_DIR))
+$(call add_json_list, SystemExtPublicSepolicyDirs,       $(SYSTEM_EXT_PUBLIC_SEPOLICY_DIRS))
+$(call add_json_list, SystemExtPrivateSepolicyDirs,      $(SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS))
 $(call add_json_list, BoardSepolicyM4Defs,               $(BOARD_SEPOLICY_M4DEFS))
 $(call add_json_str,  BoardSepolicyVers,                 $(BOARD_SEPOLICY_VERS))
 $(call add_json_str,  SystemExtSepolicyPrebuiltApiDir,   $(BOARD_SYSTEM_EXT_PREBUILT_DIR))
diff --git a/core/tasks/tools/package-modules.mk b/core/tasks/tools/package-modules.mk
index c483a49..c41aec5 100644
--- a/core/tasks/tools/package-modules.mk
+++ b/core/tasks/tools/package-modules.mk
@@ -96,7 +96,7 @@
 $(my_package_zip): PRIVATE_COPY_PAIRS := $(my_copy_pairs)
 $(my_package_zip): PRIVATE_STAGING_DIR := $(my_staging_dir)
 $(my_package_zip): PRIVATE_PICKUP_FILES := $(my_pickup_files)
-$(my_package_zip) : $(my_built_modules) $(SOONG_ZIP)
+$(my_package_zip) : $(my_built_modules)
 	@echo "Package $@"
 	@rm -rf $(PRIVATE_STAGING_DIR) && mkdir -p $(PRIVATE_STAGING_DIR)
 	$(foreach p, $(PRIVATE_COPY_PAIRS),\
@@ -105,7 +105,7 @@
 	  cp -Rf $(word 1,$(pair)) $(word 2,$(pair)) && ) true
 	$(hide) $(foreach f, $(PRIVATE_PICKUP_FILES),\
 	  cp -RfL $(f) $(PRIVATE_STAGING_DIR) && ) true
-	$(hide) $(SOONG_ZIP) -o $@ -C $(PRIVATE_STAGING_DIR) -D $(PRIVATE_STAGING_DIR)
+	$(hide) cd $(PRIVATE_STAGING_DIR) && zip -rqX ../$(notdir $@) *
 
 my_makefile :=
 my_staging_dir :=
diff --git a/finalize_branch_for_release.sh b/finalize_branch_for_release.sh
index c942eb2..12b096f 100755
--- a/finalize_branch_for_release.sh
+++ b/finalize_branch_for_release.sh
@@ -1,30 +1,34 @@
 #!/bin/bash
 
-set -e
+set -ex
 
-source "$(dirname "$0")"/envsetup.sh
+function finalize_main() {
+    local top="$(dirname "$0")"/../..
 
-# default target to modify tree and build SDK
-lunch aosp_arm64-userdebug
+    # default target to modify tree and build SDK
+    local m="$top/build/soong/soong_ui.bash --make-mode TARGET_PRODUCT=aosp_arm64 TARGET_BUILD_VARIANT=userdebug"
 
-set -x
+    # This script is WIP and only finalizes part of the Android branch for release.
+    # The full process can be found at (INTERNAL) go/android-sdk-finalization.
 
-# This script is WIP and only finalizes part of the Android branch for release.
-# The full process can be found at (INTERNAL) go/android-sdk-finalization.
+    # VNDK snapshot (TODO)
+    # SDK snapshots (TODO)
+    # Update references in the codebase to new API version (TODO)
+    # ...
 
-# VNDK snapshot (TODO)
-# SDK snapshots (TODO)
-# Update references in the codebase to new API version (TODO)
-# ...
+    AIDL_TRANSITIVE_FREEZE=true $m aidl-freeze-api
 
-AIDL_TRANSITIVE_FREEZE=true m aidl-freeze-api
+    # Update new versions of files. See update-vndk-list.sh (which requires envsetup.sh)
+    $m check-vndk-list || \
+        { cp $top/out/soong/vndk/vndk.libraries.txt $top/build/make/target/product/gsi/current.txt; }
 
-m check-vndk-list || update-vndk-list.sh # for new versions of AIDL interfaces
+    # for now, we simulate the release state for AIDL, but in the future, we would want
+    # to actually turn the branch into the REL state and test with that
+    AIDL_FROZEN_REL=true $m nothing # test build
 
-# for now, we simulate the release state for AIDL, but in the future, we would want
-# to actually turn the branch into the REL state and test with that
-AIDL_FROZEN_REL=true m # test build
+    # Build SDK (TODO)
+    # lunch sdk...
+    # m ...
+}
 
-# Build SDK (TODO)
-# lunch sdk...
-# m ...
+finalize_main
diff --git a/rbesetup.sh b/rbesetup.sh
index 3b0e7cf..8386628 100644
--- a/rbesetup.sh
+++ b/rbesetup.sh
@@ -33,20 +33,15 @@
 # This function prefixes the given command with appropriate variables needed
 # for the build to be executed with RBE.
 function use_rbe() {
-  local RBE_LOG_DIR="/tmp"
   local RBE_BINARIES_DIR="prebuilts/remoteexecution-client/latest"
   local DOCKER_IMAGE="gcr.io/androidbuild-re-dockerimage/android-build-remoteexec-image@sha256:582efb38f0c229ea39952fff9e132ccbe183e14869b39888010dacf56b360d62"
 
   # Do not set an invocation-ID and let reproxy auto-generate one.
   USE_RBE="true" \
-  FLAG_server_address="unix:///tmp/reproxy_$RANDOM.sock" \
   FLAG_exec_root="$(gettop)" \
   FLAG_platform="container-image=docker://${DOCKER_IMAGE}" \
   RBE_use_application_default_credentials="true" \
-  RBE_log_dir="${RBE_LOG_DIR}" \
   RBE_reproxy_wait_seconds="20" \
-  RBE_output_dir="${RBE_LOG_DIR}" \
-  RBE_log_path="text://${RBE_LOG_DIR}/reproxy_log.txt" \
   RBE_CXX_EXEC_STRATEGY="remote_local_fallback" \
   RBE_cpp_dependency_scanner_plugin="${RBE_BINARIES_DIR}/dependency_scanner_go_plugin.so" \
   RBE_DIR=${RBE_BINARIES_DIR} \
diff --git a/target/board/mainline_sdk/BoardConfig.mk b/target/board/mainline_sdk/BoardConfig.mk
index 84f8b2d..f5c2dc6 100644
--- a/target/board/mainline_sdk/BoardConfig.mk
+++ b/target/board/mainline_sdk/BoardConfig.mk
@@ -18,3 +18,6 @@
 HOST_CROSS_OS := linux_bionic
 HOST_CROSS_ARCH := x86_64
 HOST_CROSS_2ND_ARCH :=
+
+# Required flag for non-64 bit devices from P.
+TARGET_USES_64_BIT_BINDER := true