diff --git a/adb/client/console.cpp b/adb/client/console.cpp
index 9563eac..4e8a3f8 100644
--- a/adb/client/console.cpp
+++ b/adb/client/console.cpp
@@ -135,6 +135,7 @@
     // preventing the emulator from reading the command that adb has sent.
     // https://code.google.com/p/android/issues/detail?id=21021
     int result;
+    std::string emulator_output;
     do {
         char buf[BUFSIZ];
         result = adb_read(fd, buf, sizeof(buf));
@@ -146,8 +147,37 @@
         // appended above, and that causes the emulator to close the socket
         // which should cause zero bytes (orderly/graceful shutdown) to be
         // returned.
+        if (result > 0) emulator_output.append(buf, result);
     } while (result > 0);
 
+    // Note: the following messages are expected to be quite stable from emulator.
+    //
+    // Emulator console will send the following message upon connection:
+    //
+    // Android Console: Authentication required
+    // Android Console: type 'auth <auth_token>' to authenticate
+    // Android Console: you can find your <auth_token> in
+    // '/<path-to-home>/.emulator_console_auth_token'
+    // OK\r\n
+    //
+    // and the following after authentication:
+    // Android Console: type 'help' for a list of commands
+    // OK\r\n
+    //
+    // So try search and skip first two "OK\r\n", print the rest.
+    //
+    const std::string delims = "OK\r\n";
+    size_t found = 0;
+    for (int i = 0; i < 2; ++i) {
+        const size_t result = emulator_output.find(delims, found);
+        if (result == std::string::npos) {
+            break;
+        } else {
+            found = result + delims.size();
+        }
+    }
+
+    printf("%s", emulator_output.c_str() + found);
     adb_close(fd);
 
     return 0;
diff --git a/base/include/android-base/strings.h b/base/include/android-base/strings.h
index 9c35560..fc5c1ce 100644
--- a/base/include/android-base/strings.h
+++ b/base/include/android-base/strings.h
@@ -61,6 +61,7 @@
 bool StartsWithIgnoreCase(const std::string& s, const char* prefix);
 bool StartsWith(const std::string& s, const std::string& prefix);
 bool StartsWithIgnoreCase(const std::string& s, const std::string& prefix);
+bool StartsWith(const std::string& s, char prefix);
 
 // Tests whether 's' ends with 'suffix'.
 // TODO: string_view
@@ -68,6 +69,7 @@
 bool EndsWithIgnoreCase(const std::string& s, const char* suffix);
 bool EndsWith(const std::string& s, const std::string& suffix);
 bool EndsWithIgnoreCase(const std::string& s, const std::string& suffix);
+bool EndsWith(const std::string& s, char suffix);
 
 // Tests whether 'lhs' equals 'rhs', ignoring case.
 bool EqualsIgnoreCase(const std::string& lhs, const std::string& rhs);
diff --git a/base/strings.cpp b/base/strings.cpp
index a8bb2a9..2d6eef0 100644
--- a/base/strings.cpp
+++ b/base/strings.cpp
@@ -95,6 +95,10 @@
   return strncmp(s.c_str(), prefix.c_str(), prefix.size()) == 0;
 }
 
+bool StartsWith(const std::string& s, char prefix) {
+  return *s.c_str() == prefix;  // Use c_str() to guarantee there is at least a '\0'.
+}
+
 bool StartsWithIgnoreCase(const std::string& s, const char* prefix) {
   return strncasecmp(s.c_str(), prefix, strlen(prefix)) == 0;
 }
@@ -121,6 +125,10 @@
   return EndsWith(s, suffix.c_str(), suffix.size(), true);
 }
 
+bool EndsWith(const std::string& s, char suffix) {
+  return EndsWith(s, &suffix, 1, true);
+}
+
 bool EndsWithIgnoreCase(const std::string& s, const char* suffix) {
   return EndsWith(s, suffix, strlen(suffix), false);
 }
diff --git a/base/strings_test.cpp b/base/strings_test.cpp
index b8639ea..9d74094 100644
--- a/base/strings_test.cpp
+++ b/base/strings_test.cpp
@@ -198,6 +198,12 @@
   ASSERT_FALSE(android::base::StartsWithIgnoreCase("foobar", "BAR"));
 }
 
+TEST(strings, StartsWith_char) {
+  ASSERT_FALSE(android::base::StartsWith("", 'f'));
+  ASSERT_TRUE(android::base::StartsWith("foo", 'f'));
+  ASSERT_FALSE(android::base::StartsWith("foo", 'o'));
+}
+
 TEST(strings, EndsWith_empty) {
   ASSERT_FALSE(android::base::EndsWith("", "foo"));
   ASSERT_TRUE(android::base::EndsWith("", ""));
@@ -273,6 +279,12 @@
   ASSERT_FALSE(android::base::EndsWithIgnoreCase("GoOdByE", std::string{"lo"}));
 }
 
+TEST(strings, EndsWith_char) {
+  ASSERT_FALSE(android::base::EndsWith("", 'o'));
+  ASSERT_TRUE(android::base::EndsWith("foo", 'o'));
+  ASSERT_FALSE(android::base::EndsWith("foo", "f"));
+}
+
 TEST(strings, EqualsIgnoreCase) {
   ASSERT_TRUE(android::base::EqualsIgnoreCase("foo", "FOO"));
   ASSERT_TRUE(android::base::EqualsIgnoreCase("FOO", "foo"));
diff --git a/cpio/Android.bp b/cpio/Android.bp
new file mode 100644
index 0000000..847e0f1
--- /dev/null
+++ b/cpio/Android.bp
@@ -0,0 +1,8 @@
+// Copyright 2005 The Android Open Source Project
+
+cc_binary_host {
+    name: "mkbootfs",
+    srcs: ["mkbootfs.c"],
+    cflags: ["-Werror"],
+    shared_libs: ["libcutils"],
+}
diff --git a/cpio/Android.mk b/cpio/Android.mk
index 2aa7297..fc3551b 100644
--- a/cpio/Android.mk
+++ b/cpio/Android.mk
@@ -1,17 +1,3 @@
 # Copyright 2005 The Android Open Source Project
 
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := \
-	mkbootfs.c
-
-LOCAL_MODULE := mkbootfs
-
-LOCAL_CFLAGS := -Werror
-
-LOCAL_SHARED_LIBRARIES := libcutils
-
-include $(BUILD_HOST_EXECUTABLE)
-
-$(call dist-for-goals,dist_files,$(LOCAL_BUILT_MODULE))
+$(call dist-for-goals,dist_files,$(ALL_MODULES.mkbootfs.BUILT))
diff --git a/debuggerd/handler/debuggerd_fallback.cpp b/debuggerd/handler/debuggerd_fallback.cpp
index ed7423b..15c0265 100644
--- a/debuggerd/handler/debuggerd_fallback.cpp
+++ b/debuggerd/handler/debuggerd_fallback.cpp
@@ -250,11 +250,12 @@
         }
 
         uint64_t expected = pack_thread_fd(-1, -1);
-        if (!trace_output.compare_exchange_strong(expected,
-                                                  pack_thread_fd(tid, pipe_write.release()))) {
+        int sent_fd = pipe_write.release();
+        if (!trace_output.compare_exchange_strong(expected, pack_thread_fd(tid, sent_fd))) {
           auto [tid, fd] = unpack_thread_fd(expected);
           async_safe_format_log(ANDROID_LOG_ERROR, "libc",
                                 "thread %d is already outputting to fd %d?", tid, fd);
+          close(sent_fd);
           return false;
         }
 
diff --git a/fs_mgr/Android.bp b/fs_mgr/Android.bp
index 3cce0e8..6c8a943 100644
--- a/fs_mgr/Android.bp
+++ b/fs_mgr/Android.bp
@@ -46,6 +46,7 @@
         "fs_mgr_avb_ops.cpp",
         "fs_mgr_dm_linear.cpp",
         "fs_mgr_overlayfs.cpp",
+        "fs_mgr_vendor_overlay.cpp",
     ],
     shared_libs: [
         "libbase",
diff --git a/fs_mgr/fs_mgr_overlayfs.cpp b/fs_mgr/fs_mgr_overlayfs.cpp
index 79957f6..f06b819 100644
--- a/fs_mgr/fs_mgr_overlayfs.cpp
+++ b/fs_mgr/fs_mgr_overlayfs.cpp
@@ -55,16 +55,31 @@
 using namespace android::dm;
 using namespace android::fs_mgr;
 
+static bool fs_mgr_access(const std::string& path) {
+    auto save_errno = errno;
+    auto ret = access(path.c_str(), F_OK) == 0;
+    errno = save_errno;
+    return ret;
+}
+
 #if ALLOW_ADBD_DISABLE_VERITY == 0  // If we are a user build, provide stubs
 
 bool fs_mgr_overlayfs_mount_all(fstab*) {
     return false;
 }
 
+bool fs_mgr_overlayfs_mount_all(const std::vector<const fstab_rec*>&) {
+    return false;
+}
+
 std::vector<std::string> fs_mgr_overlayfs_required_devices(fstab*) {
     return {};
 }
 
+std::vector<std::string> fs_mgr_overlayfs_required_devices(const std::vector<const fstab_rec*>&) {
+    return {};
+}
+
 bool fs_mgr_overlayfs_setup(const char*, const char*, bool* change) {
     if (change) *change = false;
     return false;
@@ -104,17 +119,6 @@
     return ret | !rmdir(test_directory.c_str());
 }
 
-std::string fs_mgr_get_context(const std::string& mount_point) {
-    char* ctx = nullptr;
-    auto len = getfilecon(mount_point.c_str(), &ctx);
-    if ((len > 0) && ctx) {
-        std::string context(ctx, len);
-        free(ctx);
-        return context;
-    }
-    return "";
-}
-
 // At less than 1% free space return value of false,
 // means we will try to wrap with overlayfs.
 bool fs_mgr_filesystem_has_space(const char* mount_point) {
@@ -224,13 +228,6 @@
     return "/system";
 }
 
-bool fs_mgr_access(const std::string& path) {
-    auto save_errno = errno;
-    auto ret = access(path.c_str(), F_OK) == 0;
-    errno = save_errno;
-    return ret;
-}
-
 bool fs_mgr_rw_access(const std::string& path) {
     if (path.empty()) return false;
     auto save_errno = errno;
@@ -239,19 +236,6 @@
     return ret;
 }
 
-// return true if system supports overlayfs
-bool fs_mgr_wants_overlayfs() {
-    // Properties will return empty on init first_stage_mount, so speculative
-    // determination, empty (unset) _or_ "1" is true which differs from the
-    // official ro.debuggable policy.  ALLOW_ADBD_DISABLE_VERITY == 0 should
-    // protect us from false in any case, so this is insurance.
-    auto debuggable = android::base::GetProperty("ro.debuggable", "1");
-    if (debuggable != "1") return false;
-
-    // Overlayfs available in the kernel, and patched for override_creds?
-    return fs_mgr_access("/sys/module/overlay/parameters/override_creds");
-}
-
 bool fs_mgr_overlayfs_already_mounted(const std::string& mount_point, bool overlay_only = true) {
     std::unique_ptr<fstab, decltype(&fs_mgr_free_fstab)> fstab(fs_mgr_read_fstab("/proc/mounts"),
                                                                fs_mgr_free_fstab);
@@ -740,7 +724,7 @@
 bool fs_mgr_overlayfs_mount_all(fstab* fstab) {
     auto ret = false;
 
-    if (!fs_mgr_wants_overlayfs()) return ret;
+    if (!fs_mgr_overlayfs_supports_override_creds()) return ret;
 
     if (!fstab) return ret;
 
@@ -764,6 +748,13 @@
     return ret;
 }
 
+bool fs_mgr_overlayfs_mount_all(const std::vector<const fstab_rec*>& fsrecs) {
+    std::vector<fstab_rec> recs;
+    for (const auto& rec : fsrecs) recs.push_back(*rec);
+    fstab fstab = {static_cast<int>(fsrecs.size()), &recs[0]};
+    return fs_mgr_overlayfs_mount_all(&fstab);
+}
+
 std::vector<std::string> fs_mgr_overlayfs_required_devices(fstab* fstab) {
     if (fs_mgr_get_entry_for_mount_point(const_cast<struct fstab*>(fstab), kScratchMountPoint)) {
         return {};
@@ -778,12 +769,20 @@
     return {};
 }
 
+std::vector<std::string> fs_mgr_overlayfs_required_devices(
+        const std::vector<const fstab_rec*>& fsrecs) {
+    std::vector<fstab_rec> recs;
+    for (const auto& rec : fsrecs) recs.push_back(*rec);
+    fstab fstab = {static_cast<int>(fsrecs.size()), &recs[0]};
+    return fs_mgr_overlayfs_required_devices(&fstab);
+}
+
 // Returns false if setup not permitted, errno set to last error.
 // If something is altered, set *change.
 bool fs_mgr_overlayfs_setup(const char* backing, const char* mount_point, bool* change) {
     if (change) *change = false;
     auto ret = false;
-    if (!fs_mgr_wants_overlayfs()) return ret;
+    if (!fs_mgr_overlayfs_supports_override_creds()) return ret;
     if (!fs_mgr_boot_completed()) {
         errno = EBUSY;
         PERROR << "setup";
@@ -846,7 +845,7 @@
     for (const auto& overlay_mount_point : kOverlayMountPoints) {
         ret &= fs_mgr_overlayfs_teardown_one(overlay_mount_point, mount_point ?: "", change);
     }
-    if (!fs_mgr_wants_overlayfs()) {
+    if (!fs_mgr_overlayfs_supports_override_creds()) {
         // After obligatory teardown to make sure everything is clean, but if
         // we didn't want overlayfs in the the first place, we do not want to
         // waste time on a reboot (or reboot request message).
@@ -885,3 +884,19 @@
 
     return (info.feat_ro_compat & EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS) != 0;
 }
+
+std::string fs_mgr_get_context(const std::string& mount_point) {
+    char* ctx = nullptr;
+    if (getfilecon(mount_point.c_str(), &ctx) == -1) {
+        return "";
+    }
+
+    std::string context(ctx);
+    free(ctx);
+    return context;
+}
+
+bool fs_mgr_overlayfs_supports_override_creds() {
+    // Overlayfs available in the kernel, and patched for override_creds?
+    return fs_mgr_access("/sys/module/overlay/parameters/override_creds");
+}
diff --git a/fs_mgr/fs_mgr_vendor_overlay.cpp b/fs_mgr/fs_mgr_vendor_overlay.cpp
new file mode 100644
index 0000000..360a117
--- /dev/null
+++ b/fs_mgr/fs_mgr_vendor_overlay.cpp
@@ -0,0 +1,128 @@
+/*
+ * 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.
+ */
+
+#include <dirent.h>
+#include <selinux/selinux.h>
+#include <sys/mount.h>
+#include <unistd.h>
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+#include <fs_mgr_overlayfs.h>
+#include <fs_mgr_vendor_overlay.h>
+#include <fstab/fstab.h>
+
+#include "fs_mgr_priv.h"
+
+using namespace std::literals;
+
+namespace {
+
+const auto kVendorOverlaySourceDir = "/system/vendor_overlay/"s;
+const auto kVndkVersionPropertyName = "ro.vndk.version"s;
+const auto kVendorTopDir = "/vendor/"s;
+const auto kLowerdirOption = "lowerdir="s;
+
+std::string fs_mgr_get_vendor_overlay_top_dir() {
+    // VNDK version is provided by the /vendor/default.prop
+    // To read the property, it must be called at the second init stage after the default
+    // properties are loaded.
+    std::string vndk_version = android::base::GetProperty(kVndkVersionPropertyName, "");
+    if (vndk_version.empty()) {
+        return "";
+    }
+    return kVendorOverlaySourceDir + vndk_version;
+}
+
+std::vector<std::string> fs_mgr_get_vendor_overlay_dirs(const std::string& overlay_top) {
+    std::vector<std::string> vendor_overlay_dirs;
+    std::unique_ptr<DIR, decltype(&closedir)> vendor_overlay_top(opendir(overlay_top.c_str()),
+                                                                 closedir);
+    if (!vendor_overlay_top) return vendor_overlay_dirs;
+
+    // Vendor overlay root for current vendor version found!
+    LINFO << "vendor overlay root: " << overlay_top;
+    struct dirent* dp;
+    while ((dp = readdir(vendor_overlay_top.get())) != nullptr) {
+        if (dp->d_type != DT_DIR || dp->d_name[0] == '.') {
+            continue;
+        }
+        vendor_overlay_dirs.push_back(dp->d_name);
+    }
+
+    return vendor_overlay_dirs;
+}
+
+bool fs_mgr_vendor_overlay_mount(const std::string& overlay_top, const std::string& mount_point) {
+    const auto vendor_mount_point = kVendorTopDir + mount_point;
+    LINFO << "vendor overlay mount on " << vendor_mount_point;
+
+    auto context = fs_mgr_get_context(vendor_mount_point);
+    if (!context.empty()) {
+        context = ",rootcontext="s + context;
+    } else {
+        PERROR << " result: cannot find the mount point";
+        return false;
+    }
+
+    auto options = "override_creds=off,"s + kLowerdirOption + overlay_top + "/" + mount_point +
+                   ":" + vendor_mount_point + context;
+    auto report = "__mount(source=overlay,target="s + vendor_mount_point + ",type=overlay," +
+                  options + ")=";
+    auto ret = mount("overlay", vendor_mount_point.c_str(), "overlay", MS_RDONLY | MS_RELATIME,
+                     options.c_str());
+    if (ret) {
+        PERROR << report << ret;
+        return false;
+    } else {
+        LINFO << report << ret;
+        return true;
+    }
+}
+
+}  // namespace
+
+// Since the vendor overlay requires to know the version of the vendor partition,
+// it is not possible to mount vendor overlay at the first stage that cannot
+// initialize properties.
+// To read the properties, vendor overlay must be mounted at the second stage, right
+// after "property_load_boot_defaults()" is called.
+bool fs_mgr_vendor_overlay_mount_all() {
+    const auto overlay_top = fs_mgr_get_vendor_overlay_top_dir();
+    if (overlay_top.empty()) {
+        LINFO << "vendor overlay: vndk version not defined";
+        return false;
+    }
+    const auto vendor_overlay_dirs = fs_mgr_get_vendor_overlay_dirs(overlay_top);
+    if (vendor_overlay_dirs.empty()) return true;
+    if (!fs_mgr_overlayfs_supports_override_creds()) {
+        LINFO << "vendor overlay: kernel does not support overlayfs";
+        return false;
+    }
+
+    // Mount each directory in /system/vendor_overlay/<ver> on /vendor
+    auto ret = true;
+    for (const auto& vendor_overlay_dir : vendor_overlay_dirs) {
+        if (!fs_mgr_vendor_overlay_mount(overlay_top, vendor_overlay_dir)) {
+            ret = false;
+        }
+    }
+    return ret;
+}
diff --git a/fs_mgr/include/fs_mgr_overlayfs.h b/fs_mgr/include/fs_mgr_overlayfs.h
index 550dd18..72202ab 100644
--- a/fs_mgr/include/fs_mgr_overlayfs.h
+++ b/fs_mgr/include/fs_mgr_overlayfs.h
@@ -22,8 +22,13 @@
 #include <vector>
 
 bool fs_mgr_overlayfs_mount_all(fstab* fstab);
+bool fs_mgr_overlayfs_mount_all(const std::vector<const fstab_rec*>& fstab);
 std::vector<std::string> fs_mgr_overlayfs_required_devices(fstab* fstab);
+std::vector<std::string> fs_mgr_overlayfs_required_devices(
+        const std::vector<const fstab_rec*>& fstab);
 bool fs_mgr_overlayfs_setup(const char* backing = nullptr, const char* mount_point = nullptr,
                             bool* change = nullptr);
 bool fs_mgr_overlayfs_teardown(const char* mount_point = nullptr, bool* change = nullptr);
 bool fs_mgr_has_shared_blocks(const std::string& mount_point, const std::string& dev);
+std::string fs_mgr_get_context(const std::string& mount_point);
+bool fs_mgr_overlayfs_supports_override_creds();
diff --git a/fs_mgr/include/fs_mgr_vendor_overlay.h b/fs_mgr/include/fs_mgr_vendor_overlay.h
new file mode 100644
index 0000000..9771a0c
--- /dev/null
+++ b/fs_mgr/include/fs_mgr_vendor_overlay.h
@@ -0,0 +1,21 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include <fstab/fstab.h>
+
+bool fs_mgr_vendor_overlay_mount_all();
diff --git a/gatekeeperd/Android.bp b/gatekeeperd/Android.bp
new file mode 100644
index 0000000..8e9c7ea
--- /dev/null
+++ b/gatekeeperd/Android.bp
@@ -0,0 +1,50 @@
+//
+// Copyright (C) 2015 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.
+//
+
+cc_binary {
+    name: "gatekeeperd",
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-Wunused",
+    ],
+    srcs: [
+        "SoftGateKeeperDevice.cpp",
+        "IGateKeeperService.cpp",
+        "gatekeeperd.cpp",
+    ],
+
+    shared_libs: [
+        "libbinder",
+        "libgatekeeper",
+        "liblog",
+        "libhardware",
+        "libbase",
+        "libutils",
+        "libcrypto",
+        "libkeystore_aidl",
+        "libkeystore_binder",
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "android.hardware.gatekeeper@1.0",
+    ],
+
+    static_libs: ["libscrypt_static"],
+    include_dirs: ["external/scrypt/lib/crypto"],
+    init_rc: ["gatekeeperd.rc"],
+}
diff --git a/gatekeeperd/Android.mk b/gatekeeperd/Android.mk
deleted file mode 100644
index 6d5d1ea..0000000
--- a/gatekeeperd/Android.mk
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# Copyright (C) 2015 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.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_CFLAGS := -Wall -Wextra -Werror -Wunused
-LOCAL_SRC_FILES := \
-	SoftGateKeeperDevice.cpp \
-	IGateKeeperService.cpp \
-	gatekeeperd.cpp
-
-LOCAL_MODULE := gatekeeperd
-LOCAL_SHARED_LIBRARIES := \
-	libbinder \
-	libgatekeeper \
-	liblog \
-	libhardware \
-	libbase \
-	libutils \
-	libcrypto \
-	libkeystore_aidl \
-	libkeystore_binder \
-	libhidlbase \
-	libhidltransport \
-	libhwbinder \
-	android.hardware.gatekeeper@1.0 \
-
-LOCAL_STATIC_LIBRARIES := libscrypt_static
-LOCAL_C_INCLUDES := external/scrypt/lib/crypto
-LOCAL_INIT_RC := gatekeeperd.rc
-include $(BUILD_EXECUTABLE)
-
-include $(call first-makefiles-under,$(LOCAL_PATH))
diff --git a/gatekeeperd/tests/Android.bp b/gatekeeperd/tests/Android.bp
new file mode 100644
index 0000000..d4cf93b
--- /dev/null
+++ b/gatekeeperd/tests/Android.bp
@@ -0,0 +1,34 @@
+//
+// Copyright (C) 2015 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.
+//
+
+cc_test {
+    name: "gatekeeperd-unit-tests",
+
+    cflags: [
+        "-g",
+        "-Wall",
+        "-Werror",
+        "-Wno-missing-field-initializers",
+    ],
+    shared_libs: [
+        "libgatekeeper",
+        "libcrypto",
+        "libbase",
+    ],
+    static_libs: ["libscrypt_static"],
+    include_dirs: ["external/scrypt/lib/crypto"],
+    srcs: ["gatekeeper_test.cpp"],
+}
diff --git a/gatekeeperd/tests/Android.mk b/gatekeeperd/tests/Android.mk
deleted file mode 100644
index c38c64b..0000000
--- a/gatekeeperd/tests/Android.mk
+++ /dev/null
@@ -1,29 +0,0 @@
-#
-# Copyright (C) 2015 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.
-#
-
-LOCAL_PATH:= $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := gatekeeperd-unit-tests
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_CFLAGS += -g -Wall -Werror -Wno-missing-field-initializers
-LOCAL_SHARED_LIBRARIES := libgatekeeper libcrypto libbase
-LOCAL_STATIC_LIBRARIES := libscrypt_static
-LOCAL_C_INCLUDES := external/scrypt/lib/crypto
-LOCAL_SRC_FILES := \
-	gatekeeper_test.cpp
-include $(BUILD_NATIVE_TEST)
-
diff --git a/init/init.cpp b/init/init.cpp
index b12ba8c..90803f7 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -39,6 +39,7 @@
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <cutils/android_reboot.h>
+#include <fs_mgr_vendor_overlay.h>
 #include <keyutils.h>
 #include <libavb/libavb.h>
 #include <selinux/android.h>
@@ -717,6 +718,7 @@
     InstallSignalFdHandler(&epoll);
 
     property_load_boot_defaults();
+    fs_mgr_vendor_overlay_mount_all();
     export_oem_lock_status();
     StartPropertyService(&epoll);
     set_usb_controller();
diff --git a/libcrypto_utils/tests/Android.bp b/libcrypto_utils/tests/Android.bp
new file mode 100644
index 0000000..5aadfe2
--- /dev/null
+++ b/libcrypto_utils/tests/Android.bp
@@ -0,0 +1,29 @@
+//
+// Copyright (C) 2016 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.
+//
+
+cc_test_host {
+    name: "libcrypto_utils_test",
+    srcs: ["android_pubkey_test.cpp"],
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wextra",
+    ],
+    shared_libs: [
+        "libcrypto_utils",
+        "libcrypto",
+    ],
+}
diff --git a/libcrypto_utils/tests/Android.mk b/libcrypto_utils/tests/Android.mk
deleted file mode 100644
index ef3d0cf..0000000
--- a/libcrypto_utils/tests/Android.mk
+++ /dev/null
@@ -1,24 +0,0 @@
-#
-# Copyright (C) 2016 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.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := libcrypto_utils_test
-LOCAL_SRC_FILES := android_pubkey_test.cpp
-LOCAL_CFLAGS := -Wall -Werror -Wextra
-LOCAL_SHARED_LIBRARIES := libcrypto_utils libcrypto
-include $(BUILD_HOST_NATIVE_TEST)
diff --git a/liblog/Android.mk b/liblog/Android.mk
deleted file mode 100644
index 6c4dff5..0000000
--- a/liblog/Android.mk
+++ /dev/null
@@ -1,3 +0,0 @@
-LOCAL_PATH := $(my-dir)
-
-include $(call first-makefiles-under,$(LOCAL_PATH))
diff --git a/liblog/pmsg_reader.c b/liblog/pmsg_reader.c
index c3ed8a2..bf0e4fe 100644
--- a/liblog/pmsg_reader.c
+++ b/liblog/pmsg_reader.c
@@ -269,6 +269,14 @@
   }
 }
 
+static void* realloc_or_free(void* ptr, size_t new_size) {
+  void* result = realloc(ptr, new_size);
+  if (!result) {
+    free(ptr);
+  }
+  return result;
+}
+
 LIBLOG_ABI_PRIVATE ssize_t
 __android_log_pmsg_file_read(log_id_t logId, char prio, const char* prefix,
                              __android_log_pmsg_file_read_fn fn, void* arg) {
@@ -541,7 +549,7 @@
       /* Missing sequence numbers */
       while (sequence < content->entry.nsec) {
         /* plus space for enforced nul */
-        buf = realloc(buf, len + sizeof(char) + sizeof(char));
+        buf = realloc_or_free(buf, len + sizeof(char) + sizeof(char));
         if (!buf) {
           break;
         }
@@ -556,7 +564,7 @@
         continue;
       }
       /* plus space for enforced nul */
-      buf = realloc(buf, len + add_len + sizeof(char));
+      buf = realloc_or_free(buf, len + add_len + sizeof(char));
       if (!buf) {
         ret = -ENOMEM;
         list_remove(content_node);
diff --git a/liblog/tests/Android.bp b/liblog/tests/Android.bp
new file mode 100644
index 0000000..e6a9c0c
--- /dev/null
+++ b/liblog/tests/Android.bp
@@ -0,0 +1,98 @@
+//
+// Copyright (C) 2013-2014 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.
+//
+
+// -----------------------------------------------------------------------------
+// Benchmarks.
+// -----------------------------------------------------------------------------
+
+// Build benchmarks for the device. Run with:
+//   adb shell liblog-benchmarks
+cc_benchmark {
+    name: "liblog-benchmarks",
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-fno-builtin",
+    ],
+    shared_libs: [
+        "liblog",
+        "libm",
+        "libbase",
+    ],
+    srcs: ["liblog_benchmark.cpp"],
+}
+
+// -----------------------------------------------------------------------------
+// Unit tests.
+// -----------------------------------------------------------------------------
+
+cc_defaults {
+    name: "liblog-tests-defaults",
+
+    cflags: [
+        "-fstack-protector-all",
+        "-g",
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-fno-builtin",
+    ],
+    srcs: [
+        "libc_test.cpp",
+        "liblog_test_default.cpp",
+        "liblog_test_local.cpp",
+        "liblog_test_stderr.cpp",
+        "liblog_test_stderr_local.cpp",
+        "log_id_test.cpp",
+        "log_radio_test.cpp",
+        "log_read_test.cpp",
+        "log_system_test.cpp",
+        "log_time_test.cpp",
+        "log_wrap_test.cpp",
+    ],
+    shared_libs: [
+        "liblog",
+        "libcutils",
+        "libbase",
+    ],
+}
+
+// Build tests for the device (with .so). Run with:
+//   adb shell /data/nativetest/liblog-unit-tests/liblog-unit-tests
+cc_test {
+    name: "liblog-unit-tests",
+    defaults: ["liblog-tests-defaults"],
+}
+
+cc_test {
+    name: "CtsLiblogTestCases",
+    defaults: ["liblog-tests-defaults"],
+    multilib: {
+        lib32: {
+            suffix: "32",
+        },
+        lib64: {
+            suffix: "64",
+        },
+    },
+
+    cflags: ["-DNO_PSTORE"],
+    test_suites: [
+        "cts",
+        "vts",
+    ],
+}
diff --git a/liblog/tests/Android.mk b/liblog/tests/Android.mk
deleted file mode 100644
index cfa849b..0000000
--- a/liblog/tests/Android.mk
+++ /dev/null
@@ -1,116 +0,0 @@
-#
-# Copyright (C) 2013-2014 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.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-# -----------------------------------------------------------------------------
-# Benchmarks.
-# -----------------------------------------------------------------------------
-
-test_module_prefix := liblog-
-test_tags := tests
-
-benchmark_c_flags := \
-    -Wall \
-    -Wextra \
-    -Werror \
-    -fno-builtin \
-
-benchmark_src_files := \
-    liblog_benchmark.cpp
-
-# Build benchmarks for the device. Run with:
-#   adb shell liblog-benchmarks
-include $(CLEAR_VARS)
-LOCAL_MODULE := $(test_module_prefix)benchmarks
-LOCAL_MODULE_TAGS := $(test_tags)
-LOCAL_CFLAGS += $(benchmark_c_flags)
-LOCAL_SHARED_LIBRARIES += liblog libm libbase
-LOCAL_SRC_FILES := $(benchmark_src_files)
-include $(BUILD_NATIVE_BENCHMARK)
-
-# -----------------------------------------------------------------------------
-# Unit tests.
-# -----------------------------------------------------------------------------
-
-test_c_flags := \
-    -fstack-protector-all \
-    -g \
-    -Wall -Wextra \
-    -Werror \
-    -fno-builtin \
-
-cts_src_files := \
-    libc_test.cpp \
-    liblog_test_default.cpp \
-    liblog_test_local.cpp \
-    liblog_test_stderr.cpp \
-    liblog_test_stderr_local.cpp \
-    log_id_test.cpp \
-    log_radio_test.cpp \
-    log_read_test.cpp \
-    log_system_test.cpp \
-    log_time_test.cpp \
-    log_wrap_test.cpp
-
-test_src_files := \
-    $(cts_src_files) \
-
-# Build tests for the device (with .so). Run with:
-#   adb shell /data/nativetest/liblog-unit-tests/liblog-unit-tests
-include $(CLEAR_VARS)
-LOCAL_MODULE := $(test_module_prefix)unit-tests
-LOCAL_MODULE_TAGS := $(test_tags)
-LOCAL_CFLAGS += $(test_c_flags)
-LOCAL_SHARED_LIBRARIES := liblog libcutils libbase
-LOCAL_SRC_FILES := $(test_src_files)
-include $(BUILD_NATIVE_TEST)
-
-cts_executable := CtsLiblogTestCases
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := $(cts_executable)
-LOCAL_MODULE_TAGS := tests
-LOCAL_CFLAGS += $(test_c_flags) -DNO_PSTORE
-LOCAL_SRC_FILES := $(cts_src_files)
-LOCAL_MODULE_PATH := $(TARGET_OUT_DATA)/nativetest
-LOCAL_MULTILIB := both
-LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)32
-LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
-LOCAL_SHARED_LIBRARIES := liblog libcutils libbase
-LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
-LOCAL_COMPATIBILITY_SUITE := cts vts
-LOCAL_CTS_TEST_PACKAGE := android.core.liblog
-include $(BUILD_CTS_EXECUTABLE)
-
-ifeq ($(HOST_OS)-$(HOST_ARCH),$(filter $(HOST_OS)-$(HOST_ARCH),linux-x86 linux-x86_64))
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := $(cts_executable)_list
-LOCAL_MODULE_TAGS := optional
-LOCAL_CFLAGS := $(test_c_flags) -DHOST
-LOCAL_C_INCLUDES := external/gtest/include
-LOCAL_SRC_FILES := $(test_src_files)
-LOCAL_MULTILIB := both
-LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)
-LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
-LOCAL_CXX_STL := libc++
-LOCAL_SHARED_LIBRARIES := liblog libcutils libbase
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_LDLIBS_linux := -lrt
-include $(BUILD_HOST_NATIVE_TEST)
-
-endif  # ifeq ($(HOST_OS)-$(HOST_ARCH),$(filter $(HOST_OS)-$(HOST_ARCH),linux-x86 linux-x86_64))
diff --git a/libnativebridge/Android.mk b/libnativebridge/Android.mk
deleted file mode 100644
index 3887b1b..0000000
--- a/libnativebridge/Android.mk
+++ /dev/null
@@ -1,3 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-
-include $(LOCAL_PATH)/tests/Android.mk
diff --git a/libnativebridge/tests/Android.bp b/libnativebridge/tests/Android.bp
index 9e2e641..222bc4c 100644
--- a/libnativebridge/tests/Android.bp
+++ b/libnativebridge/tests/Android.bp
@@ -44,3 +44,45 @@
     srcs: ["DummyNativeBridge3.cpp"],
     defaults: ["libnativebridge-dummy-defaults"],
 }
+
+// Build the unit tests.
+cc_test {
+    name: "libnativebridge-tests",
+    host_supported: true,
+    test_per_src: true,
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+
+    srcs: [
+        "CodeCacheCreate_test.cpp",
+        "CodeCacheExists_test.cpp",
+        "CodeCacheStatFail_test.cpp",
+        "CompleteFlow_test.cpp",
+        "InvalidCharsNativeBridge_test.cpp",
+        "NativeBridge2Signal_test.cpp",
+        "NativeBridgeVersion_test.cpp",
+        "NeedsNativeBridge_test.cpp",
+        "PreInitializeNativeBridge_test.cpp",
+        "PreInitializeNativeBridgeFail1_test.cpp",
+        "PreInitializeNativeBridgeFail2_test.cpp",
+        "ReSetupNativeBridge_test.cpp",
+        "UnavailableNativeBridge_test.cpp",
+        "ValidNameNativeBridge_test.cpp",
+        "NativeBridge3UnloadLibrary_test.cpp",
+        "NativeBridge3GetError_test.cpp",
+        "NativeBridge3IsPathSupported_test.cpp",
+        "NativeBridge3InitAnonymousNamespace_test.cpp",
+        "NativeBridge3CreateNamespace_test.cpp",
+        "NativeBridge3LoadLibraryExt_test.cpp",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libnativebridge",
+        "libnativebridge-dummy",
+    ],
+    header_libs: ["libbase_headers"],
+}
diff --git a/libnativebridge/tests/Android.mk b/libnativebridge/tests/Android.mk
deleted file mode 100644
index 4ed6e20..0000000
--- a/libnativebridge/tests/Android.mk
+++ /dev/null
@@ -1,60 +0,0 @@
-# Build the unit tests.
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-
-# Build the unit tests.
-test_src_files := \
-    CodeCacheCreate_test.cpp \
-    CodeCacheExists_test.cpp \
-    CodeCacheStatFail_test.cpp \
-    CompleteFlow_test.cpp \
-    InvalidCharsNativeBridge_test.cpp \
-    NativeBridge2Signal_test.cpp \
-    NativeBridgeVersion_test.cpp \
-    NeedsNativeBridge_test.cpp \
-    PreInitializeNativeBridge_test.cpp \
-    PreInitializeNativeBridgeFail1_test.cpp \
-    PreInitializeNativeBridgeFail2_test.cpp \
-    ReSetupNativeBridge_test.cpp \
-    UnavailableNativeBridge_test.cpp \
-    ValidNameNativeBridge_test.cpp \
-    NativeBridge3UnloadLibrary_test.cpp \
-    NativeBridge3GetError_test.cpp \
-    NativeBridge3IsPathSupported_test.cpp \
-    NativeBridge3InitAnonymousNamespace_test.cpp \
-    NativeBridge3CreateNamespace_test.cpp \
-    NativeBridge3LoadLibraryExt_test.cpp
-
-
-shared_libraries := \
-    liblog \
-    libnativebridge \
-    libnativebridge-dummy
-
-header_libraries := \
-    libbase_headers
-
-libnativebridge_tests_common_cflags := \
-    -Wall \
-    -Werror \
-
-$(foreach file,$(test_src_files), \
-    $(eval include $(CLEAR_VARS)) \
-    $(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
-    $(eval LOCAL_HEADER_LIBRARIES := $(header_libraries)) \
-    $(eval LOCAL_SRC_FILES := $(file)) \
-    $(eval LOCAL_CFLAGS := $(libnativebridge_tests_common_cflags)) \
-    $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
-    $(eval include $(BUILD_NATIVE_TEST)) \
-)
-
-$(foreach file,$(test_src_files), \
-    $(eval include $(CLEAR_VARS)) \
-    $(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
-    $(eval LOCAL_HEADER_LIBRARIES := $(header_libraries)) \
-    $(eval LOCAL_SRC_FILES := $(file)) \
-    $(eval LOCAL_CFLAGS := $(libnativebridge_tests_common_cflags)) \
-    $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
-    $(eval include $(BUILD_HOST_NATIVE_TEST)) \
-)
diff --git a/libprocinfo/include/procinfo/process_map.h b/libprocinfo/include/procinfo/process_map.h
index 3771f9f..0fc4201 100644
--- a/libprocinfo/include/procinfo/process_map.h
+++ b/libprocinfo/include/procinfo/process_map.h
@@ -22,6 +22,7 @@
 
 #include <functional>
 #include <string>
+#include <vector>
 
 #include <android-base/file.h>
 
@@ -147,5 +148,23 @@
   return ReadMapFile("/proc/" + std::to_string(pid) + "/maps", callback);
 }
 
+struct MapInfo {
+  uint64_t start;
+  uint64_t end;
+  uint16_t flags;
+  uint64_t pgoff;
+  std::string name;
+
+  MapInfo(uint64_t start, uint64_t end, uint16_t flags, uint64_t pgoff, const char* name)
+      : start(start), end(end), flags(flags), pgoff(pgoff), name(name) {}
+};
+
+inline bool ReadProcessMaps(pid_t pid, std::vector<MapInfo>* maps) {
+  return ReadProcessMaps(
+      pid, [&](uint64_t start, uint64_t end, uint16_t flags, uint64_t pgoff, const char* name) {
+        maps->emplace_back(start, end, flags, pgoff, name);
+      });
+}
+
 } /* namespace procinfo */
 } /* namespace android */
diff --git a/libprocinfo/process_map_benchmark.cpp b/libprocinfo/process_map_benchmark.cpp
index d9e8a4d..04995d4 100644
--- a/libprocinfo/process_map_benchmark.cpp
+++ b/libprocinfo/process_map_benchmark.cpp
@@ -27,21 +27,10 @@
 
 #include <benchmark/benchmark.h>
 
-struct MapInfo {
-  uint64_t start;
-  uint64_t end;
-  uint16_t flags;
-  uint64_t pgoff;
-  const std::string name;
-
-  MapInfo(uint64_t start, uint64_t end, uint16_t flags, uint64_t pgoff, const char* name)
-      : start(start), end(end), flags(flags), pgoff(pgoff), name(name) {}
-};
-
 static void BM_ReadMapFile(benchmark::State& state) {
   std::string map_file = android::base::GetExecutableDirectory() + "/testdata/maps";
   for (auto _ : state) {
-    std::vector<MapInfo> maps;
+    std::vector<android::procinfo::MapInfo> maps;
     android::procinfo::ReadMapFile(
         map_file, [&](uint64_t start, uint64_t end, uint16_t flags, uint64_t pgoff,
                       const char* name) { maps.emplace_back(start, end, flags, pgoff, name); });
diff --git a/libprocinfo/process_map_test.cpp b/libprocinfo/process_map_test.cpp
index 4b93c5b..170a806 100644
--- a/libprocinfo/process_map_test.cpp
+++ b/libprocinfo/process_map_test.cpp
@@ -22,20 +22,9 @@
 
 #include <gtest/gtest.h>
 
-struct MapInfo {
-  uint64_t start;
-  uint64_t end;
-  uint16_t flags;
-  uint64_t pgoff;
-  const std::string name;
-
-  MapInfo(uint64_t start, uint64_t end, uint16_t flags, uint64_t pgoff, const char* name)
-      : start(start), end(end), flags(flags), pgoff(pgoff), name(name) {}
-};
-
-TEST(process_map, smoke) {
+TEST(process_map, ReadMapFile) {
   std::string map_file = android::base::GetExecutableDirectory() + "/testdata/maps";
-  std::vector<MapInfo> maps;
+  std::vector<android::procinfo::MapInfo> maps;
   ASSERT_TRUE(android::procinfo::ReadMapFile(
       map_file, [&](uint64_t start, uint64_t end, uint16_t flags, uint64_t pgoff,
                     const char* name) { maps.emplace_back(start, end, flags, pgoff, name); }));
@@ -58,3 +47,14 @@
             "[anon:dalvik-classes.dex extracted in memory from "
             "/data/app/com.google.sample.tunnel-HGGRU03Gu1Mwkf_-RnFmvw==/base.apk]");
 }
+
+TEST(process_map, ReadProcessMaps) {
+  std::vector<android::procinfo::MapInfo> maps;
+  ASSERT_TRUE(android::procinfo::ReadProcessMaps(
+      getpid(), [&](uint64_t start, uint64_t end, uint16_t flags, uint64_t pgoff,
+                    const char* name) { maps.emplace_back(start, end, flags, pgoff, name); }));
+  ASSERT_GT(maps.size(), 0u);
+  maps.clear();
+  ASSERT_TRUE(android::procinfo::ReadProcessMaps(getpid(), &maps));
+  ASSERT_GT(maps.size(), 0u);
+}
diff --git a/logcat/Android.mk b/logcat/Android.mk
deleted file mode 100644
index a716993..0000000
--- a/logcat/Android.mk
+++ /dev/null
@@ -1,5 +0,0 @@
-# Copyright 2006-2014 The Android Open Source Project
-
-LOCAL_PATH := $(call my-dir)
-
-include $(call first-makefiles-under,$(LOCAL_PATH))
diff --git a/logcat/tests/Android.bp b/logcat/tests/Android.bp
new file mode 100644
index 0000000..e1f4d6f
--- /dev/null
+++ b/logcat/tests/Android.bp
@@ -0,0 +1,59 @@
+//
+// Copyright (C) 2013-2014 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.
+//
+
+cc_defaults {
+    name: "logcat-tests-defaults",
+    cflags: [
+        "-fstack-protector-all",
+        "-g",
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-fno-builtin",
+    ],
+}
+
+// -----------------------------------------------------------------------------
+// Benchmarks
+// ----------------------------------------------------------------------------
+
+// Build benchmarks for the device. Run with:
+//   adb shell /data/nativetest/logcat-benchmarks/logcat-benchmarks
+cc_benchmark {
+    name: "logcat-benchmarks",
+    defaults: ["logcat-tests-defaults"],
+    srcs: ["logcat_benchmark.cpp"],
+    shared_libs: ["libbase"],
+}
+
+// -----------------------------------------------------------------------------
+// Unit tests.
+// -----------------------------------------------------------------------------
+
+// Build tests for the device (with .so). Run with:
+//   adb shell /data/nativetest/logcat-unit-tests/logcat-unit-tests
+cc_test {
+    name: "logcat-unit-tests",
+    defaults: ["logcat-tests-defaults"],
+    shared_libs: [
+        "liblog",
+        "libbase",
+    ],
+    srcs: [
+        "logcat_test.cpp",
+        "logcatd_test.cpp",
+    ],
+}
diff --git a/logcat/tests/Android.mk b/logcat/tests/Android.mk
deleted file mode 100644
index 66f6724..0000000
--- a/logcat/tests/Android.mk
+++ /dev/null
@@ -1,62 +0,0 @@
-#
-# Copyright (C) 2013-2014 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.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-test_module_prefix := logcat-
-test_tags := tests
-
-test_c_flags := \
-    -fstack-protector-all \
-    -g \
-    -Wall -Wextra \
-    -Werror \
-    -fno-builtin \
-
-# -----------------------------------------------------------------------------
-# Benchmarks
-# ----------------------------------------------------------------------------
-
-benchmark_src_files := \
-    logcat_benchmark.cpp \
-
-# Build benchmarks for the device. Run with:
-#   adb shell /data/nativetest/logcat-benchmarks/logcat-benchmarks
-include $(CLEAR_VARS)
-LOCAL_MODULE := $(test_module_prefix)benchmarks
-LOCAL_MODULE_TAGS := $(test_tags)
-LOCAL_CFLAGS += $(test_c_flags)
-LOCAL_SRC_FILES := $(benchmark_src_files)
-LOCAL_SHARED_LIBRARIES := libbase
-include $(BUILD_NATIVE_BENCHMARK)
-
-# -----------------------------------------------------------------------------
-# Unit tests.
-# -----------------------------------------------------------------------------
-
-test_src_files := \
-    logcat_test.cpp \
-    logcatd_test.cpp \
-
-# Build tests for the device (with .so). Run with:
-#   adb shell /data/nativetest/logcat-unit-tests/logcat-unit-tests
-include $(CLEAR_VARS)
-LOCAL_MODULE := $(test_module_prefix)unit-tests
-LOCAL_MODULE_TAGS := $(test_tags)
-LOCAL_CFLAGS += $(test_c_flags)
-LOCAL_SHARED_LIBRARIES := liblog libbase
-LOCAL_SRC_FILES := $(test_src_files)
-include $(BUILD_NATIVE_TEST)
diff --git a/logd/Android.mk b/logd/Android.mk
index 1bca891..b3ce560 100644
--- a/logd/Android.mk
+++ b/logd/Android.mk
@@ -9,5 +9,3 @@
 LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/init
 
 include $(BUILD_PREBUILT)
-
-include $(call first-makefiles-under,$(LOCAL_PATH))
diff --git a/logd/tests/Android.bp b/logd/tests/Android.bp
new file mode 100644
index 0000000..f15beb2
--- /dev/null
+++ b/logd/tests/Android.bp
@@ -0,0 +1,68 @@
+//
+// Copyright (C) 2014 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.
+//
+
+// -----------------------------------------------------------------------------
+// Unit tests.
+// -----------------------------------------------------------------------------
+
+cc_defaults {
+    name: "logd-unit-test-defaults",
+
+    cflags: [
+        "-fstack-protector-all",
+        "-g",
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-fno-builtin",
+
+        "-DAUDITD_LOG_TAG=1003",
+        "-DCHATTY_LOG_TAG=1004",
+    ],
+
+    srcs: ["logd_test.cpp"],
+
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "liblog",
+        "libselinux",
+    ],
+}
+
+// Build tests for the logger. Run with:
+//   adb shell /data/nativetest/logd-unit-tests/logd-unit-tests
+cc_test {
+    name: "logd-unit-tests",
+    defaults: ["logd-unit-test-defaults"],
+}
+
+cc_test {
+    name: "CtsLogdTestCases",
+    defaults: ["logd-unit-test-defaults"],
+    multilib: {
+        lib32: {
+            suffix: "32",
+        },
+        lib64: {
+            suffix: "64",
+        },
+    },
+    test_suites: [
+        "cts",
+        "vts",
+    ],
+}
diff --git a/logd/tests/Android.mk b/logd/tests/Android.mk
deleted file mode 100644
index a0875ea..0000000
--- a/logd/tests/Android.mk
+++ /dev/null
@@ -1,86 +0,0 @@
-#
-# Copyright (C) 2014 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.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-# -----------------------------------------------------------------------------
-# Benchmarks. (see ../../liblog/tests)
-# -----------------------------------------------------------------------------
-
-test_module_prefix := logd-
-test_tags := tests
-
-# -----------------------------------------------------------------------------
-# Unit tests.
-# -----------------------------------------------------------------------------
-
-event_flag := -DAUDITD_LOG_TAG=1003 -DCHATTY_LOG_TAG=1004
-
-test_c_flags := \
-    -fstack-protector-all \
-    -g \
-    -Wall -Wextra \
-    -Werror \
-    -fno-builtin \
-    $(event_flag)
-
-test_src_files := \
-    logd_test.cpp
-
-# Build tests for the logger. Run with:
-#   adb shell /data/nativetest/logd-unit-tests/logd-unit-tests
-include $(CLEAR_VARS)
-LOCAL_MODULE := $(test_module_prefix)unit-tests
-LOCAL_MODULE_TAGS := $(test_tags)
-LOCAL_CFLAGS += $(test_c_flags)
-LOCAL_SHARED_LIBRARIES := libbase libcutils liblog libselinux
-LOCAL_SRC_FILES := $(test_src_files)
-include $(BUILD_NATIVE_TEST)
-
-cts_executable := CtsLogdTestCases
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := $(cts_executable)
-LOCAL_MODULE_TAGS := tests
-LOCAL_CFLAGS += $(test_c_flags)
-LOCAL_SRC_FILES := $(test_src_files)
-LOCAL_MODULE_PATH := $(TARGET_OUT_DATA)/nativetest
-LOCAL_MULTILIB := both
-LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)32
-LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
-LOCAL_SHARED_LIBRARIES := libbase libcutils liblog libselinux
-LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
-LOCAL_COMPATIBILITY_SUITE := cts vts
-LOCAL_CTS_TEST_PACKAGE := android.core.logd
-include $(BUILD_CTS_EXECUTABLE)
-
-ifeq ($(HOST_OS)-$(HOST_ARCH),$(filter $(HOST_OS)-$(HOST_ARCH),linux-x86 linux-x86_64))
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := $(cts_executable)_list
-LOCAL_MODULE_TAGS := optional
-LOCAL_CFLAGS := $(test_c_flags) -DHOST
-LOCAL_C_INCLUDES := external/gtest/include
-LOCAL_SRC_FILES := $(test_src_files)
-LOCAL_MULTILIB := both
-LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)
-LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
-LOCAL_CXX_STL := libc++
-LOCAL_SHARED_LIBRARIES := libbase libcutils liblog
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-include $(BUILD_HOST_NATIVE_TEST)
-
-endif  # ifeq ($(HOST_OS)-$(HOST_ARCH),$(filter $(HOST_OS)-$(HOST_ARCH),linux-x86 linux-x86_64))