diff --git a/adb/Android.bp b/adb/Android.bp
new file mode 100644
index 0000000..41f7b89
--- /dev/null
+++ b/adb/Android.bp
@@ -0,0 +1,51 @@
+// 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.
+
+python_binary_host {
+  name: "adb_integration_test_adb",
+  main: "test_adb.py",
+  srcs: [
+    "test_adb.py",
+  ],
+  libs: [
+    "adb_py",
+  ],
+  version: {
+    py2: {
+      enabled: true,
+    },
+    py3: {
+      enabled: false,
+    },
+  },
+}
+
+python_binary_host {
+  name: "adb_integration_test_device",
+  main: "test_device.py",
+  srcs: [
+    "test_device.py",
+  ],
+  libs: [
+    "adb_py",
+  ],
+  version: {
+    py2: {
+      enabled: true,
+    },
+    py3: {
+      enabled: false,
+    },
+  },
+}
diff --git a/adb/Android.mk b/adb/Android.mk
index 382c8cb..1f6f194 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -387,4 +387,9 @@
 
 include $(BUILD_EXECUTABLE)
 
+# adb integration test
+# =========================================================
+$(call dist-for-goals,sdk,$(ALL_MODULES.adb_integration_test_adb.BUILT))
+$(call dist-for-goals,sdk,$(ALL_MODULES.adb_integration_test_device.BUILT))
+
 include $(call first-makefiles-under,$(LOCAL_PATH))
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 18e47e3..7fa37c8 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -443,7 +443,7 @@
     }
 }
 
-static void load_properties_from_file(const char *, const char *);
+static bool load_properties_from_file(const char *, const char *);
 
 /*
  * Filter is used to decide which properties to load: NULL loads all keys,
@@ -507,17 +507,18 @@
 
 // Filter is used to decide which properties to load: NULL loads all keys,
 // "ro.foo.*" is a prefix match, and "ro.foo.bar" is an exact match.
-static void load_properties_from_file(const char* filename, const char* filter) {
+static bool load_properties_from_file(const char* filename, const char* filter) {
     Timer t;
     std::string data;
     std::string err;
     if (!ReadFile(filename, &data, &err)) {
-        PLOG(WARNING) << "Couldn't load property file: " << err;
-        return;
+        PLOG(WARNING) << "Couldn't load property file: " << filename << ": " << err;
+        return false;
     }
     data.push_back('\n');
     load_properties(&data[0], filter);
     LOG(VERBOSE) << "(Loading properties from " << filename << " took " << t << ".)";
+    return true;
 }
 
 static void load_persistent_properties() {
@@ -592,16 +593,21 @@
 }
 
 void property_load_boot_defaults() {
-    load_properties_from_file("/default.prop", NULL);
-    load_properties_from_file("/odm/default.prop", NULL);
-    load_properties_from_file("/vendor/default.prop", NULL);
+    if (!load_properties_from_file("/system/etc/prop.default", nullptr)) {
+        // for legacy devices
+        if (!load_properties_from_file("/default.prop", nullptr)) {
+            PLOG(ERROR) << "Failed to load default prop";
+        }
+    }
+    load_properties_from_file("/odm/etc/prop.default", nullptr);
+    load_properties_from_file("/vendor/etc/prop.default", nullptr);
 
     update_sys_usb_config();
 }
 
 static void load_override_properties() {
     if (ALLOW_LOCAL_PROP_OVERRIDE) {
-        load_properties_from_file("/data/local.prop", NULL);
+        load_properties_from_file("/data/local.prop", nullptr);
     }
 }
 
@@ -649,9 +655,15 @@
 }
 
 void load_system_props() {
-    load_properties_from_file("/system/build.prop", NULL);
-    load_properties_from_file("/odm/build.prop", NULL);
-    load_properties_from_file("/vendor/build.prop", NULL);
+    if (!load_properties_from_file("/system/etc/prop.build", nullptr)) {
+        // for legacy devices
+        load_properties_from_file("/system/build.prop", nullptr);
+    }
+    load_properties_from_file("/odm/etc/prop.build", nullptr);
+    if (!load_properties_from_file("/vendor/etc/prop.build", nullptr)) {
+        // for legacy devices
+        load_properties_from_file("/vendor/build.prop", nullptr);
+    }
     load_properties_from_file("/factory/factory.prop", "ro.*");
     load_recovery_id_prop();
 }
diff --git a/libcutils/fs_config.cpp b/libcutils/fs_config.cpp
index 919b65b..dd1ad3a 100644
--- a/libcutils/fs_config.cpp
+++ b/libcutils/fs_config.cpp
@@ -134,9 +134,10 @@
     { 00640, AID_ROOT,      AID_SHELL,     0, "data/nativetest64/tests.txt" },
     { 00750, AID_ROOT,      AID_SHELL,     0, "data/nativetest/*" },
     { 00750, AID_ROOT,      AID_SHELL,     0, "data/nativetest64/*" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "default.prop" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "odm/build.prop" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "odm/default.prop" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "default.prop" }, // legacy
+    { 00600, AID_ROOT,      AID_ROOT,      0, "system/etc/prop.default" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "odm/etc/prop.build" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "odm/etc/prop.default" },
     { 00444, AID_ROOT,      AID_ROOT,      0, odm_conf_dir + 1 },
     { 00444, AID_ROOT,      AID_ROOT,      0, odm_conf_file + 1 },
     { 00444, AID_ROOT,      AID_ROOT,      0, oem_conf_dir + 1 },
@@ -148,7 +149,8 @@
     { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/install-recovery.sh" },
     { 00700, AID_ROOT,      AID_ROOT,      0, "system/bin/secilc" },
     { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/uncrypt" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "system/build.prop" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "system/build.prop" }, // legacy
+    { 00600, AID_ROOT,      AID_ROOT,      0, "system/etc/prop.build" },
     { 00444, AID_ROOT,      AID_ROOT,      0, sys_conf_dir + 1 },
     { 00444, AID_ROOT,      AID_ROOT,      0, sys_conf_file + 1 },
     { 00440, AID_ROOT,      AID_SHELL,     0, "system/etc/init.goldfish.rc" },
@@ -157,8 +159,9 @@
     { 00555, AID_ROOT,      AID_ROOT,      0, "system/etc/ppp/*" },
     { 00555, AID_ROOT,      AID_ROOT,      0, "system/etc/rc.*" },
     { 00440, AID_ROOT,      AID_ROOT,      0, "system/etc/recovery.img" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "vendor/build.prop" },
-    { 00600, AID_ROOT,      AID_ROOT,      0, "vendor/default.prop" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "vendor/build.prop" }, // legacy
+    { 00600, AID_ROOT,      AID_ROOT,      0, "vendor/etc/prop.build" },
+    { 00600, AID_ROOT,      AID_ROOT,      0, "vendor/etc/prop.default" },
     { 00444, AID_ROOT,      AID_ROOT,      0, ven_conf_dir + 1 },
     { 00444, AID_ROOT,      AID_ROOT,      0, ven_conf_file + 1 },
 
diff --git a/libion/Android.bp b/libion/Android.bp
index da98111..6f267e4 100644
--- a/libion/Android.bp
+++ b/libion/Android.bp
@@ -1,6 +1,7 @@
 
 cc_library {
     name: "libion",
+		vendor_available: true,
     srcs: ["ion.c"],
     shared_libs: ["liblog"],
     local_include_dirs: [
diff --git a/liblog/tests/log_read_test.cpp b/liblog/tests/log_read_test.cpp
index a63ab8e..6ed568a 100644
--- a/liblog/tests/log_read_test.cpp
+++ b/liblog/tests/log_read_test.cpp
@@ -23,6 +23,7 @@
 #include <android-base/stringprintf.h>
 #include <android/log.h>  // minimal logging API
 #include <gtest/gtest.h>
+#include <log/log_properties.h>
 // Test the APIs in this standalone include file
 #include <log/log_read.h>
 // Do not use anything in log/log_time.h despite side effects of the above.
@@ -97,9 +98,12 @@
     /* security buffer is allowed to be denied */
     if (strcmp("security", name)) {
       EXPECT_LT(0, get_log_size);
-      /* crash buffer is allowed to be empty, that is actually healthy! */
-      EXPECT_LE((strcmp("crash", name)) != 0,
-                android_logger_get_log_readable_size(logger));
+      // crash buffer is allowed to be empty, that is actually healthy!
+      // kernel buffer is allowed to be empty on "user" builds
+      EXPECT_LE(  // boolean 1 or 0 depending on expected content or empty
+          !!((strcmp("crash", name) != 0) &&
+             ((strcmp("kernel", name) != 0) || __android_log_is_debuggable())),
+          android_logger_get_log_readable_size(logger));
     } else {
       EXPECT_NE(0, get_log_size);
       if (get_log_size < 0) {
diff --git a/libmetricslogger/Android.bp b/libmetricslogger/Android.bp
index 26a041a..38859d1 100644
--- a/libmetricslogger/Android.bp
+++ b/libmetricslogger/Android.bp
@@ -31,6 +31,7 @@
 // -----------------------------------------------------------------------------
 cc_library_shared {
     name: "libmetricslogger",
+    vendor_available: true,
     srcs: metricslogger_lib_src_files,
     defaults: ["metricslogger_defaults"],
 }
diff --git a/libsysutils/Android.bp b/libsysutils/Android.bp
index 296bd26..550ef42 100644
--- a/libsysutils/Android.bp
+++ b/libsysutils/Android.bp
@@ -1,5 +1,7 @@
 cc_library_shared {
     name: "libsysutils",
+    vendor_available: true,
+
     srcs: [
         "src/SocketListener.cpp",
         "src/FrameworkListener.cpp",
diff --git a/libziparchive/Android.bp b/libziparchive/Android.bp
index 44daf36..0a4f088 100644
--- a/libziparchive/Android.bp
+++ b/libziparchive/Android.bp
@@ -56,6 +56,8 @@
 cc_library {
     name: "libziparchive",
     host_supported: true,
+    vendor_available:true,
+
     defaults: ["libziparchive_defaults", "libziparchive_flags"],
     shared_libs: ["liblog", "libbase"],
     target: {