diff --git a/core/board_config.mk b/core/board_config.mk
index 120f511..15a9944 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -191,7 +191,7 @@
 define dump-public-variables
 $(file >$(OUT_DIR)/dump-public-variables-temp.txt,$(subst $(space),$(newline),$(.VARIABLES)))\
 $(file >$(1),\
-$(foreach v, $(shell grep -he "^[A-Z][A-Z0-9_]*$$" $(OUT_DIR)/dump-public-variables-temp.txt | grep -vhe "^SOONG_"),\
+$(foreach v, $(shell grep -he "^[A-Z][A-Z0-9_]*$$" $(OUT_DIR)/dump-public-variables-temp.txt | grep -vhE "^(SOONG_.*|LOCAL_PATH|TOPDIR|PRODUCT_COPY_OUT_.*)$$"),\
 $(v) := $(strip $($(v)))$(newline)))
 endef
 
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 4999464..fd60b71 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -37,7 +37,7 @@
 
 $(call add_json_bool, Allow_missing_dependencies,        $(filter true,$(ALLOW_MISSING_DEPENDENCIES)))
 $(call add_json_bool, Unbundled_build,                   $(TARGET_BUILD_UNBUNDLED))
-$(call add_json_bool, Unbundled_build_apps,              $(TARGET_BUILD_APPS))
+$(call add_json_list, Unbundled_build_apps,              $(TARGET_BUILD_APPS))
 $(call add_json_bool, Unbundled_build_image,             $(TARGET_BUILD_UNBUNDLED_IMAGE))
 $(call add_json_bool, Always_use_prebuilt_sdks,          $(TARGET_BUILD_USE_PREBUILT_SDKS))
 
diff --git a/envsetup.sh b/envsetup.sh
index 1687309..a23bbad 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -252,9 +252,7 @@
     esac
 
     ANDROID_BUILD_PATHS=$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_TOOLCHAIN
-    if [ -n "$ANDROID_TOOLCHAIN_2ND_ARCH" ]; then
-        ANDROID_BUILD_PATHS=$ANDROID_BUILD_PATHS:$ANDROID_TOOLCHAIN_2ND_ARCH
-    fi
+    ANDROID_BUILD_PATHS=$ANDROID_BUILD_PATHS:$ANDROID_TOOLCHAIN_2ND_ARCH
     ANDROID_BUILD_PATHS=$ANDROID_BUILD_PATHS:$ANDROID_DEV_SCRIPTS
 
     # Append llvm binutils prebuilts path to ANDROID_BUILD_PATHS.
@@ -287,8 +285,9 @@
     local ACLOUD_PATH="$T/prebuilts/asuite/acloud/$os_arch"
     local AIDEGEN_PATH="$T/prebuilts/asuite/aidegen/$os_arch"
     local ATEST_PATH="$T/prebuilts/asuite/atest/$os_arch"
-    export ANDROID_BUILD_PATHS=$ANDROID_BUILD_PATHS:$ACLOUD_PATH:$AIDEGEN_PATH:$ATEST_PATH:
+    ANDROID_BUILD_PATHS=$ANDROID_BUILD_PATHS:$ACLOUD_PATH:$AIDEGEN_PATH:$ATEST_PATH
 
+    export ANDROID_BUILD_PATHS=$(tr -s : <<<"${ANDROID_BUILD_PATHS}:")
     export PATH=$ANDROID_BUILD_PATHS$PATH
 
     # out with the duplicate old