diff --git a/core/main.mk b/core/main.mk
index 93fd90c..a46be75 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -102,6 +102,8 @@
 -include test/sts/tools/sts-tradefed/build/config.mk
 # CTS-Instant-specific config
 -include test/suite_harness/tools/cts-instant-tradefed/build/config.mk
+# MTS-specific config.
+-include test/mts/tools/build/config.mk
 
 # Clean rules
 .PHONY: clean-dex-files
diff --git a/core/tasks/mts.mk b/core/tasks/mts.mk
new file mode 100644
index 0000000..e800505
--- /dev/null
+++ b/core/tasks/mts.mk
@@ -0,0 +1,25 @@
+# Copyright (C) 2019 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.
+
+ifneq ($(wildcard test/mts/README.md),)
+test_suite_name := mts
+test_suite_tradefed := mts-tradefed
+test_suite_readme := test/mts/README.md
+
+include $(BUILD_SYSTEM)/tasks/tools/compatibility.mk
+
+.PHONY: mts
+mts: $(compatibility_zip)
+$(call dist-for-goals, mts, $(compatibility_zip))
+endif
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index d843fca..00c5ed0 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -250,7 +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 := 2019-08-05
+      PLATFORM_SECURITY_PATCH := 2019-09-05
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH
 
diff --git a/target/board/gsi_system.prop b/target/board/gsi_system.prop
index 780aadc..dd3227e 100644
--- a/target/board/gsi_system.prop
+++ b/target/board/gsi_system.prop
@@ -12,3 +12,8 @@
 
 # TODO(b/78105955): disable privapp_permissions checking before the bug solved
 ro.control_privapp_permissions=disable
+
+# TODO(b/136212765): the default for LMK
+ro.lmk.kill_heaviest_task=true
+ro.lmk.kill_timeout_ms=100
+ro.lmk.use_minfree_levels=true
diff --git a/target/board/gsi_system_user.prop b/target/board/gsi_system_user.prop
index 217bd01..db6d880 100644
--- a/target/board/gsi_system_user.prop
+++ b/target/board/gsi_system_user.prop
@@ -9,3 +9,8 @@
 
 # TODO(b/78105955): disable privapp_permissions checking before the bug solved
 ro.control_privapp_permissions=disable
+
+# TODO(b/136212765): the default for LMK
+ro.lmk.kill_heaviest_task=true
+ro.lmk.kill_timeout_ms=100
+ro.lmk.use_minfree_levels=true