diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index cce0579..40566e0 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1621,7 +1621,7 @@
             "  -p: capture screenshot to filename.png (requires -o)\n"
             "  -z: generate zipped file (requires -o)\n"
             "  -s: write output to control socket (for init)\n"
-            "  -S: write file location to control socket (for init; requires -o and -z)"
+            "  -S: write file location to control socket (for init; requires -o and -z)\n"
             "  -q: disable vibrate\n"
             "  -B: send broadcast when finished (requires -o)\n"
             "  -P: send broadcast when started and update system properties on "
@@ -2213,9 +2213,11 @@
     }
 
     /* vibrate a few but shortly times to let user know it's finished */
-    for (int i = 0; i < 3; i++) {
-        Vibrate(75);
-        usleep((75 + 50) * 1000);
+    if (do_vibrate) {
+        for (int i = 0; i < 3; i++) {
+            Vibrate(75);
+            usleep((75 + 50) * 1000);
+        }
     }
 
     /* tell activity manager we're done */
diff --git a/data/etc/android.hardware.vulkan.version-1_1.xml b/data/etc/android.hardware.vulkan.version-1_1.xml
new file mode 100644
index 0000000..9704e0f
--- /dev/null
+++ b/data/etc/android.hardware.vulkan.version-1_1.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 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.
+-->
+
+<!-- This is the standard feature indicating that the device has a Vulkan
+     driver that supports API version 1.1 (0x00401000) -->
+<permissions>
+    <feature name="android.hardware.vulkan.version" version="4198400" />
+</permissions>
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 939a209..c40cad3 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -615,7 +615,7 @@
                 windowType, ownerUid, &handle, &gbp);
         ALOGE_IF(err, "SurfaceComposerClient::createSurface error %s", strerror(-err));
         if (err == NO_ERROR) {
-            sur = new SurfaceControl(this, handle, gbp);
+            sur = new SurfaceControl(this, handle, gbp, true /* owned */);
         }
     }
     return sur;
diff --git a/libs/gui/SurfaceControl.cpp b/libs/gui/SurfaceControl.cpp
index f5fb8ac..5eafbb3 100644
--- a/libs/gui/SurfaceControl.cpp
+++ b/libs/gui/SurfaceControl.cpp
@@ -48,8 +48,9 @@
 SurfaceControl::SurfaceControl(
         const sp<SurfaceComposerClient>& client,
         const sp<IBinder>& handle,
-        const sp<IGraphicBufferProducer>& gbp)
-    : mClient(client), mHandle(handle), mGraphicBufferProducer(gbp)
+        const sp<IGraphicBufferProducer>& gbp,
+        bool owned)
+    : mClient(client), mHandle(handle), mGraphicBufferProducer(gbp), mOwned(owned)
 {
 }
 
@@ -60,7 +61,9 @@
 
 void SurfaceControl::destroy()
 {
-    if (isValid()) {
+    // Avoid destroying the server-side surface if we are not the owner of it, meaning that we
+    // retrieved it from another process.
+    if (isValid() && mOwned) {
         mClient->destroySurface(mHandle);
     }
     // clear all references and trigger an IPC now, to make sure things
@@ -184,9 +187,11 @@
     }
     sp<IBinder> gbp;
     parcel->readNullableStrongBinder(&gbp);
+
+    // We aren't the original owner of the surface.
     return new SurfaceControl(new SurfaceComposerClient(
                     interface_cast<ISurfaceComposerClient>(client)),
-            handle.get(), interface_cast<IGraphicBufferProducer>(gbp));
+            handle.get(), interface_cast<IGraphicBufferProducer>(gbp), false /* owned */);
 }
 
 // ----------------------------------------------------------------------------
diff --git a/libs/gui/include/gui/SurfaceControl.h b/libs/gui/include/gui/SurfaceControl.h
index 1416d87..bd987dd 100644
--- a/libs/gui/include/gui/SurfaceControl.h
+++ b/libs/gui/include/gui/SurfaceControl.h
@@ -87,7 +87,8 @@
     SurfaceControl(
             const sp<SurfaceComposerClient>& client,
             const sp<IBinder>& handle,
-            const sp<IGraphicBufferProducer>& gbp);
+            const sp<IGraphicBufferProducer>& gbp,
+            bool owned);
 
     ~SurfaceControl();
 
@@ -100,6 +101,7 @@
     sp<IGraphicBufferProducer>  mGraphicBufferProducer;
     mutable Mutex               mLock;
     mutable sp<Surface>         mSurfaceData;
+    bool                        mOwned;
 };
 
 }; // namespace android
diff --git a/libs/ui/Gralloc2.cpp b/libs/ui/Gralloc2.cpp
index 153d35a..b92cbf3 100644
--- a/libs/ui/Gralloc2.cpp
+++ b/libs/ui/Gralloc2.cpp
@@ -42,8 +42,8 @@
         for (const auto bit : hardware::hidl_enum_iterator<BufferUsage>()) {
             bits = bits | bit;
         }
-        // TODO(b/72323293): Remove this mask for EXTERNAL_DISP.
-        bits = bits | (1 << 13);
+        // TODO(b/72323293, b/72703005): Remove these additional bits
+        bits = bits | (1 << 10) | (1 << 13);
 
         return bits;
     }();
diff --git a/libs/vr/libvrflinger/Android.bp b/libs/vr/libvrflinger/Android.bp
index 1c5b2d6..9b6f0c5 100644
--- a/libs/vr/libvrflinger/Android.bp
+++ b/libs/vr/libvrflinger/Android.bp
@@ -26,7 +26,6 @@
 includeFiles = [ "include" ]
 
 staticLibraries = [
-    "libsurfaceflingerincludes",
     "libbufferhub",
     "libbufferhubqueue",
     "libdisplay",
@@ -63,8 +62,9 @@
 ]
 
 headerLibraries = [
-    "libdvr_headers",
     "android.hardware.graphics.composer@2.1-command-buffer",
+    "libdvr_headers",
+    "libsurfaceflinger_headers",
 ]
 
 cc_library_static {
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index bd7f0ea..9f3189a 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -1,8 +1,209 @@
-cc_library_static {
-    name: "libsurfaceflingerincludes",
+cc_defaults {
+    name: "surfaceflinger_defaults",
+    cflags: [
+        "-DLOG_TAG=\"SurfaceFlinger\"",
+        "-Wall",
+        "-Werror",
+        "-Wunused",
+        "-Wunreachable-code",
+    ],
+    cppflags: ["-std=c++1z"],
+}
+
+cc_defaults {
+    name: "libsurfaceflinger_defaults",
+    defaults: ["surfaceflinger_defaults"],
+    cflags: [
+        "-DGL_GLEXT_PROTOTYPES",
+        "-DEGL_EGLEXT_PROTOTYPES",
+    ],
+    shared_libs: [
+        "android.frameworks.vr.composer@1.0",
+        "android.hardware.configstore-utils",
+        "android.hardware.configstore@1.0",
+        "android.hardware.graphics.allocator@2.0",
+        "android.hardware.graphics.composer@2.1",
+        "android.hardware.power@1.0",
+        "libbase",
+        "libbinder",
+        "libcutils",
+        "libdl",
+        "libEGL",
+        "libfmq",
+        "libGLESv1_CM",
+        "libGLESv2",
+        "libgui",
+        "libhardware",
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "liblayers_proto",
+        "liblog",
+        "libprotobuf-cpp-lite",
+        "libsync",
+        "libui",
+        "libutils",
+        "libvulkan",
+    ],
+    static_libs: [
+        "libserviceutils",
+        "libtrace_proto",
+        "libvkjson",
+        "libvr_manager",
+        "libvrflinger",
+    ],
+    header_libs: [
+        "android.hardware.graphics.composer@2.1-command-buffer",
+    ],
+    export_static_lib_headers: [
+        "libserviceutils",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.graphics.allocator@2.0",
+        "android.hardware.graphics.composer@2.1",
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+    ],
+}
+
+cc_library_headers {
+    name: "libsurfaceflinger_headers",
     export_include_dirs: ["."],
     static_libs = ["libserviceutils"],
     export_static_lib_headers = ["libserviceutils"],
 }
 
-subdirs = ["tests/fakehwc", "layerproto"]
\ No newline at end of file
+filegroup {
+    name: "libsurfaceflinger_sources",
+    srcs: [
+        "BufferLayer.cpp",
+        "BufferLayerConsumer.cpp",
+        "Client.cpp",
+        "ColorLayer.cpp",
+        "DisplayDevice.cpp",
+        "DisplayHardware/ComposerHal.cpp",
+        "DisplayHardware/FramebufferSurface.cpp",
+        "DisplayHardware/HWC2.cpp",
+        "DisplayHardware/HWComposer.cpp",
+        "DisplayHardware/HWComposerBufferCache.cpp",
+        "DisplayHardware/VirtualDisplaySurface.cpp",
+        "DispSync.cpp",
+        "Effects/Daltonizer.cpp",
+        "EventControlThread.cpp",
+        "EventLog/EventLog.cpp",
+        "EventThread.cpp",
+        "FrameTracker.cpp",
+        "GpuService.cpp",
+        "Layer.cpp",
+        "LayerProtoHelper.cpp",
+        "LayerRejecter.cpp",
+        "LayerVector.cpp",
+        "MessageQueue.cpp",
+        "MonitoredProducer.cpp",
+        "RenderArea.cpp",
+        "RenderEngine/Description.cpp",
+        "RenderEngine/GLES20RenderEngine.cpp",
+        "RenderEngine/GLExtensions.cpp",
+        "RenderEngine/Image.cpp",
+        "RenderEngine/Mesh.cpp",
+        "RenderEngine/Program.cpp",
+        "RenderEngine/ProgramCache.cpp",
+        "RenderEngine/RenderEngine.cpp",
+        "RenderEngine/Surface.cpp",
+        "RenderEngine/Texture.cpp",
+        "StartPropertySetThread.cpp",
+        "SurfaceFlinger.cpp",
+        "SurfaceInterceptor.cpp",
+        "SurfaceTracing.cpp",
+        "Transform.cpp",
+    ],
+}
+
+cc_library_shared {
+    name: "libsurfaceflinger",
+    defaults: ["libsurfaceflinger_defaults"],
+    cflags: [
+        "-fvisibility=hidden",
+        "-Werror=format",
+    ],
+    srcs: [
+        ":libsurfaceflinger_sources",
+    ],
+    logtags: ["EventLog/EventLogTags.logtags"],
+    include_dirs: [
+        "external/vulkan-validation-layers/libs/vkjson",
+        "frameworks/native/vulkan/include",
+    ],
+    cppflags: [
+        "-fwhole-program-vtables",  // requires ThinLTO
+    ],
+    lto: {
+        thin: true,
+    },
+}
+
+cc_binary {
+    name: "surfaceflinger",
+    defaults: ["surfaceflinger_defaults"],
+    init_rc: ["surfaceflinger.rc"],
+    srcs: ["main_surfaceflinger.cpp"],
+    whole_static_libs: [
+        "libsigchain",
+    ],
+    shared_libs: [
+        "android.frameworks.displayservice@1.0",
+        "android.hardware.configstore-utils",
+        "android.hardware.configstore@1.0",
+        "android.hardware.graphics.allocator@2.0",
+        "libbinder",
+        "libcutils",
+        "libdisplayservicehidl",
+        "libhidlbase",
+        "libhidltransport",
+        "liblayers_proto",
+        "liblog",
+        "libsurfaceflinger",
+        "libutils",
+    ],
+    static_libs: [
+        "libserviceutils",
+        "libtrace_proto",
+    ],
+    ldflags: ["-Wl,--export-dynamic"],
+
+    // TODO(b/71715793): These version-scripts are required due to the use of
+    // whole_static_libs to pull in libsigchain. To work, the files had to be
+    // locally duplicated from their original location
+    // $ANDROID_ROOT/art/sigchainlib/
+    multilib: {
+        lib32: {
+            version_script: "version-script32.txt",
+        },
+        lib64: {
+            version_script: "version-script64.txt",
+        },
+    },
+}
+
+cc_library_shared {
+    name: "libsurfaceflinger_ddmconnection",
+    defaults: ["surfaceflinger_defaults"],
+    srcs: ["DdmConnection.cpp"],
+    shared_libs: [
+        "libcutils",
+        "libdl",
+        "liblog",
+    ],
+    product_variables: {
+        // uses jni which may not be available in PDK
+        pdk: {
+            enabled: false,
+        },
+    },
+}
+
+subdirs = [
+    "layerproto",
+    "tests",
+]
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
deleted file mode 100644
index 6c54ec3..0000000
--- a/services/surfaceflinger/Android.mk
+++ /dev/null
@@ -1,183 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_CLANG := true
-
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_SRC_FILES := \
-    Client.cpp \
-    DisplayDevice.cpp \
-    DispSync.cpp \
-    EventControlThread.cpp \
-    StartPropertySetThread.cpp \
-    EventThread.cpp \
-    FrameTracker.cpp \
-    GpuService.cpp \
-    Layer.cpp \
-    BufferLayer.cpp \
-    BufferLayerConsumer.cpp \
-    ColorLayer.cpp \
-    LayerRejecter.cpp \
-    LayerVector.cpp \
-    MessageQueue.cpp \
-    MonitoredProducer.cpp \
-    SurfaceFlinger.cpp \
-    SurfaceInterceptor.cpp \
-    SurfaceTracing.cpp \
-    Transform.cpp \
-    DisplayHardware/ComposerHal.cpp \
-    DisplayHardware/FramebufferSurface.cpp \
-    DisplayHardware/HWC2.cpp \
-    DisplayHardware/HWComposer.cpp \
-    DisplayHardware/HWComposerBufferCache.cpp \
-    DisplayHardware/VirtualDisplaySurface.cpp \
-    Effects/Daltonizer.cpp \
-    EventLog/EventLogTags.logtags \
-    EventLog/EventLog.cpp \
-    RenderEngine/Description.cpp \
-    RenderEngine/Image.cpp \
-    RenderEngine/Mesh.cpp \
-    RenderEngine/Program.cpp \
-    RenderEngine/ProgramCache.cpp \
-    RenderEngine/GLExtensions.cpp \
-    RenderEngine/RenderEngine.cpp \
-    RenderEngine/Surface.cpp \
-    RenderEngine/Texture.cpp \
-    RenderEngine/GLES20RenderEngine.cpp \
-    LayerProtoHelper.cpp \
-    RenderArea.cpp \
-
-LOCAL_MODULE := libsurfaceflinger
-LOCAL_C_INCLUDES := \
-    frameworks/native/vulkan/include \
-    external/vulkan-validation-layers/libs/vkjson \
-    system/libhwbinder/fast_msgq/include \
-
-LOCAL_CFLAGS := -DLOG_TAG=\"SurfaceFlinger\"
-LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
-
-LOCAL_CFLAGS += -fvisibility=hidden -Werror=format
-
-LOCAL_STATIC_LIBRARIES := \
-    libtrace_proto \
-    libvkjson \
-    libvr_manager \
-    libvrflinger \
-    libserviceutils
-
-LOCAL_HEADER_LIBRARIES := \
-    android.hardware.graphics.composer@2.1-command-buffer
-
-LOCAL_EXPORT_STATIC_LIBRARY_HEADERS := libserviceutils
-
-LOCAL_SHARED_LIBRARIES := \
-    android.frameworks.vr.composer@1.0 \
-    android.hardware.graphics.allocator@2.0 \
-    android.hardware.graphics.composer@2.1 \
-    android.hardware.configstore@1.0 \
-    android.hardware.configstore-utils \
-    libcutils \
-    liblog \
-    libdl \
-    libfmq \
-    libhardware \
-    libhidlbase \
-    libhidltransport \
-    libhwbinder \
-    libutils \
-    libEGL \
-    libGLESv1_CM \
-    libGLESv2 \
-    libbinder \
-    libui \
-    libgui \
-    libvulkan \
-    libsync \
-    libprotobuf-cpp-lite \
-    libbase \
-    android.hardware.power@1.0 \
-    liblayers_proto
-
-LOCAL_EXPORT_SHARED_LIBRARY_HEADERS := \
-    android.hardware.graphics.allocator@2.0 \
-    android.hardware.graphics.composer@2.1 \
-    libhidlbase \
-    libhidltransport \
-    libhwbinder
-
-LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code -std=c++1z
-
-include $(BUILD_SHARED_LIBRARY)
-
-###############################################################
-# build surfaceflinger's executable
-include $(CLEAR_VARS)
-
-LOCAL_CLANG := true
-
-LOCAL_LDFLAGS_32 := -Wl,--version-script,art/sigchainlib/version-script32.txt -Wl,--export-dynamic
-LOCAL_LDFLAGS_64 := -Wl,--version-script,art/sigchainlib/version-script64.txt -Wl,--export-dynamic
-LOCAL_CFLAGS := -DLOG_TAG=\"SurfaceFlinger\"
-
-LOCAL_INIT_RC := surfaceflinger.rc
-
-LOCAL_SRC_FILES := \
-    main_surfaceflinger.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    android.frameworks.displayservice@1.0 \
-    android.hardware.configstore@1.0 \
-    android.hardware.configstore-utils \
-    android.hardware.graphics.allocator@2.0 \
-    libsurfaceflinger \
-    libcutils \
-    libdisplayservicehidl \
-    liblog \
-    libbinder \
-    libhidlbase \
-    libhidltransport \
-    libutils \
-    libui \
-    libgui \
-    libdl \
-    liblayers_proto
-
-LOCAL_WHOLE_STATIC_LIBRARIES := libsigchain
-LOCAL_STATIC_LIBRARIES := libtrace_proto \
-    libserviceutils
-
-LOCAL_MODULE := surfaceflinger
-
-ifdef TARGET_32_BIT_SURFACEFLINGER
-LOCAL_32_BIT_ONLY := true
-endif
-
-LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code -std=c++1z
-
-include $(BUILD_EXECUTABLE)
-
-###############################################################
-# uses jni which may not be available in PDK
-ifneq ($(wildcard libnativehelper/include),)
-include $(CLEAR_VARS)
-
-LOCAL_CLANG := true
-
-LOCAL_CFLAGS := -DLOG_TAG=\"SurfaceFlinger\"
-
-LOCAL_SRC_FILES := \
-    DdmConnection.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    liblog \
-    libdl
-
-LOCAL_MODULE := libsurfaceflinger_ddmconnection
-
-LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code
-
-include $(BUILD_SHARED_LIBRARY)
-endif # libnativehelper
-
-include $(call first-makefiles-under,$(LOCAL_PATH))
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 1349bec..bde1a8e 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -316,6 +316,9 @@
     friend class BufferLayer;
     friend class MonitoredProducer;
 
+    // For unit tests
+    friend class TestableSurfaceFlinger;
+
     // This value is specified in number of frames.  Log frame stats at most
     // every half hour.
     enum { LOG_FRAME_STATS_PERIOD =  30*60*60 };
diff --git a/services/surfaceflinger/tests/Android.bp b/services/surfaceflinger/tests/Android.bp
new file mode 100644
index 0000000..7d3da32
--- /dev/null
+++ b/services/surfaceflinger/tests/Android.bp
@@ -0,0 +1,50 @@
+// 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.
+
+cc_test {
+    name: "SurfaceFlinger_test",
+    defaults: ["surfaceflinger_defaults"],
+    tags: ["test"],
+    test_suites: ["device-tests"],
+    srcs: [
+        "Stress_test.cpp",
+        "SurfaceInterceptor_test.cpp",
+        "Transaction_test.cpp",
+    ],
+    data: ["SurfaceFlinger_test.filter"],
+    static_libs: [
+        "libtrace_proto",
+    ],
+    shared_libs: [
+        "libandroid",
+        "libbinder",
+        "libcutils",
+        "libEGL",
+        "libGLESv2",
+        "libgui",
+        "liblog",
+        "libprotobuf-cpp-full",
+        "libui",
+        "libutils",
+    ]
+
+}
+
+subdirs = [
+    "fakehwc",
+    "hwc2",
+    "unittests",
+    "vsync",
+    "waitforvsync",
+]
diff --git a/services/surfaceflinger/tests/Android.mk b/services/surfaceflinger/tests/Android.mk
deleted file mode 100644
index 43e22a0..0000000
--- a/services/surfaceflinger/tests/Android.mk
+++ /dev/null
@@ -1,44 +0,0 @@
-# Build the unit tests,
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-
-LOCAL_MODULE := SurfaceFlinger_test
-LOCAL_COMPATIBILITY_SUITE := device-tests
-LOCAL_MODULE_TAGS := tests
-
-LOCAL_SRC_FILES := \
-   Transaction_test.cpp \
-   Stress_test.cpp \
-   SurfaceInterceptor_test.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libEGL \
-    libGLESv2 \
-    libbinder \
-    libcutils \
-    libgui \
-    libprotobuf-cpp-full \
-    libui \
-    libutils \
-    libandroid \
-    liblog
-
-LOCAL_STATIC_LIBRARIES := libtrace_proto
-
-LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code
-
-LOCAL_TEST_DATA = SurfaceFlinger_test.filter
-
-# Build the binary to $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
-# to integrate with auto-test framework.
-include $(BUILD_NATIVE_TEST)
-
-# Include subdirectory makefiles
-# ============================================================
-
-# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
-# team really wants is to build the stuff defined by this makefile.
-ifeq (,$(ONE_SHOT_MAKEFILE))
-include $(call first-makefiles-under,$(LOCAL_PATH))
-endif
diff --git a/services/surfaceflinger/tests/fakehwc/Android.bp b/services/surfaceflinger/tests/fakehwc/Android.bp
index eeb0f54..8e0ba83 100644
--- a/services/surfaceflinger/tests/fakehwc/Android.bp
+++ b/services/surfaceflinger/tests/fakehwc/Android.bp
@@ -1,5 +1,8 @@
 cc_test {
     name: "sffakehwc_test",
+    defaults: ["surfaceflinger_defaults"],
+    tags: ["test"],
+    test_suites: ["device-tests"],
     srcs: [
          "FakeComposerClient.cpp",
          "FakeComposerService.cpp",
@@ -7,36 +10,31 @@
          "SFFakeHwc_test.cpp"
     ],
     shared_libs: [
-        "libcutils",
-        "libutils",
-        "libbinder",
-        "libui",
-        "libgui",
-        "liblog",
-        "libnativewindow",
         "android.hardware.graphics.composer@2.1",
         "android.hardware.graphics.mapper@2.0",
-        "libhwbinder",
+        "libbase",
+        "libbinder",
+        "libcutils",
+        "libfmq",
+        "libgui",
         "libhardware",
         "libhidlbase",
-        "libsync",
-        "libfmq",
-        "libbase",
         "libhidltransport",
-        "liblayers_proto"
+        "libhwbinder",
+        "liblayers_proto",
+        "liblog",
+        "libnativewindow",
+        "libsync",
+        "libui",
+        "libutils",
     ],
     static_libs: [
         "libhwcomposer-client",
-        "libsurfaceflingerincludes",
         "libtrace_proto",
         "libgmock"
     ],
     header_libs: [
         "android.hardware.graphics.composer@2.1-command-buffer",
+        "libsurfaceflinger_headers",
     ],
-    cppflags: [
-        "-std=c++1z",
-    ],
-    tags: ["tests"],
-    test_suites: ["device-tests"]
 }
\ No newline at end of file
diff --git a/services/surfaceflinger/tests/hwc2/Android.bp b/services/surfaceflinger/tests/hwc2/Android.bp
new file mode 100644
index 0000000..e980522
--- /dev/null
+++ b/services/surfaceflinger/tests/hwc2/Android.bp
@@ -0,0 +1,56 @@
+// 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.
+
+cc_test {
+    name: "test-hwc2",
+    defaults: ["surfaceflinger_defaults"],
+    tags: ["test"],
+    cflags: [
+        "-DEGL_EGLEXT_PROTOTYPES",
+        "-DGL_GLEXT_PROTOTYPES",
+        "-fno-builtin",
+        "-fstack-protector-all",
+        "-g",
+        "-Wextra",
+    ],
+    srcs: [
+        "Hwc2Test.cpp",
+        "Hwc2TestProperties.cpp",
+        "Hwc2TestLayer.cpp",
+        "Hwc2TestLayers.cpp",
+        "Hwc2TestBuffer.cpp",
+        "Hwc2TestClientTarget.cpp",
+        "Hwc2TestVirtualDisplay.cpp",
+        "Hwc2TestPixelComparator.cpp",
+    ],
+    static_libs: [
+        "libadf",
+        "libadfhwc",
+        "libbase",
+        "libmath",
+    ],
+    shared_libs: [
+        "android.hardware.graphics.common@1.0",
+        "libcutils",
+        "libEGL",
+        "libGLESv2",
+        "libgui",
+        "libhardware",
+        "libhwui",
+        "liblog",
+        "libsync",
+        "libui",
+        "libutils",
+    ],
+}
diff --git a/services/surfaceflinger/tests/hwc2/Android.mk b/services/surfaceflinger/tests/hwc2/Android.mk
deleted file mode 100644
index 010ac9c..0000000
--- a/services/surfaceflinger/tests/hwc2/Android.mk
+++ /dev/null
@@ -1,57 +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 := test-hwc2
-LOCAL_MODULE_TAGS := tests
-LOCAL_CFLAGS += \
-    -fstack-protector-all \
-    -g \
-    -Wall -Wextra \
-    -Werror \
-    -fno-builtin \
-    -DEGL_EGLEXT_PROTOTYPES \
-    -DGL_GLEXT_PROTOTYPES
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libutils \
-    libhardware \
-    libEGL \
-    libGLESv2 \
-    libui \
-    libgui \
-    liblog \
-    libsync \
-    libhwui \
-    android.hardware.graphics.common@1.0
-LOCAL_STATIC_LIBRARIES := \
-    libbase \
-    libadf \
-    libadfhwc \
-    libmath
-LOCAL_SRC_FILES := \
-    Hwc2Test.cpp \
-    Hwc2TestProperties.cpp \
-    Hwc2TestLayer.cpp \
-    Hwc2TestLayers.cpp \
-    Hwc2TestBuffer.cpp \
-    Hwc2TestClientTarget.cpp \
-    Hwc2TestVirtualDisplay.cpp \
-    Hwc2TestPixelComparator.cpp
-
-include $(BUILD_NATIVE_TEST)
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
new file mode 100644
index 0000000..72e0a0f
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -0,0 +1,30 @@
+// 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.
+
+cc_test {
+    name: "libsurfaceflinger_unittest",
+    tags: ["test"],
+    defaults: ["libsurfaceflinger_defaults"],
+    test_suites: ["device-tests"],
+    srcs: [
+        ":libsurfaceflinger_sources",
+        "DisplayTransactionTest.cpp",
+    ],
+    static_libs: [
+        "libgmock",
+    ],
+    header_libs: [
+        "libsurfaceflinger_headers",
+    ],
+}
diff --git a/services/surfaceflinger/tests/unittests/AndroidTest.xml b/services/surfaceflinger/tests/unittests/AndroidTest.xml
new file mode 100644
index 0000000..5e8b03b
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/AndroidTest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+<configuration description="Config for libsurfaceflinger_unittest">
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="libsurfaceflinger_unittest->/data/local/tmp/libsurfaceflinger_unittest" />
+    </target_preparer>
+    <option name="test-suite-tag" value="apct" />
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="libsurfaceflinger_unittest" />
+    </test>
+</configuration>
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
new file mode 100644
index 0000000..fc1b564
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -0,0 +1,63 @@
+/*
+ * 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.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "LibSurfaceFlingerUnittests"
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <log/log.h>
+
+#include "TestableSurfaceFlinger.h"
+
+namespace android {
+namespace {
+
+class DisplayTransactionTest : public testing::Test {
+protected:
+    DisplayTransactionTest();
+    ~DisplayTransactionTest() override;
+
+    void setupComposer(int virtualDisplayCount);
+    void setupPrimaryDisplay(int width, int height);
+
+    TestableSurfaceFlinger mFlinger;
+};
+
+DisplayTransactionTest::DisplayTransactionTest() {
+    const ::testing::TestInfo* const test_info =
+            ::testing::UnitTest::GetInstance()->current_test_info();
+    ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
+}
+
+DisplayTransactionTest::~DisplayTransactionTest() {
+    const ::testing::TestInfo* const test_info =
+            ::testing::UnitTest::GetInstance()->current_test_info();
+    ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
+}
+
+TEST_F(DisplayTransactionTest, PlaceholderTrivialTest) {
+    auto result = mFlinger.getDefaultDisplayDeviceLocked();
+    EXPECT_EQ(nullptr, result.get());
+
+    EXPECT_EQ(nullptr, mFlinger.mutableBuiltinDisplays()[0].get());
+    mFlinger.mutableBuiltinDisplays()[0] = new BBinder();
+    EXPECT_NE(nullptr, mFlinger.mutableBuiltinDisplays()[0].get());
+}
+
+} // namespace
+} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
new file mode 100644
index 0000000..4aa59a5
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -0,0 +1,45 @@
+/*
+ * 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 "DisplayDevice.h"
+#include "SurfaceFlinger.h"
+
+namespace android {
+
+class TestableSurfaceFlinger {
+public:
+    // Extend this as needed for accessing SurfaceFlinger private (and public)
+    // functions.
+
+    /* ------------------------------------------------------------------------
+     * Forwarding for functions being tested
+     */
+    auto getDefaultDisplayDeviceLocked() const { return mFlinger->getDefaultDisplayDeviceLocked(); }
+
+    auto processDisplayChangesLocked() { return mFlinger->processDisplayChangesLocked(); }
+
+    /* ------------------------------------------------------------------------
+     * Read-write access to private data to set up preconditions and assert
+     * post-conditions.
+     */
+    auto& mutableBuiltinDisplays() { return mFlinger->mBuiltinDisplays; }
+
+    sp<SurfaceFlinger> mFlinger = new SurfaceFlinger();
+};
+
+} // namespace android
diff --git a/services/surfaceflinger/tests/vsync/Android.bp b/services/surfaceflinger/tests/vsync/Android.bp
new file mode 100644
index 0000000..d04efda
--- /dev/null
+++ b/services/surfaceflinger/tests/vsync/Android.bp
@@ -0,0 +1,30 @@
+// 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.
+
+cc_binary {
+    name: "test-vsync-events",
+    defaults: ["surfaceflinger_defaults"],
+    tags: ["test"],
+    srcs: [
+        "vsync.cpp",
+    ],
+    shared_libs: [
+        "libbinder",
+        "libcutils",
+        "libgui",
+        "libui",
+        "libutils",
+    ]
+
+}
diff --git a/services/surfaceflinger/tests/vsync/Android.mk b/services/surfaceflinger/tests/vsync/Android.mk
deleted file mode 100644
index 8e41617..0000000
--- a/services/surfaceflinger/tests/vsync/Android.mk
+++ /dev/null
@@ -1,20 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	vsync.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-	libutils \
-	libbinder \
-    libui \
-    libgui
-
-LOCAL_MODULE:= test-vsync-events
-
-LOCAL_MODULE_TAGS := tests
-
-LOCAL_CFLAGS := -Werror
-
-include $(BUILD_EXECUTABLE)
diff --git a/services/surfaceflinger/tests/waitforvsync/Android.bp b/services/surfaceflinger/tests/waitforvsync/Android.bp
new file mode 100644
index 0000000..cb6d0fd
--- /dev/null
+++ b/services/surfaceflinger/tests/waitforvsync/Android.bp
@@ -0,0 +1,26 @@
+// 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.
+
+cc_binary {
+    name: "test-waitforvsync",
+    cflags: [
+        "-Werror",
+    ],
+    srcs: [
+        "waitforvsync.cpp",
+    ],
+    shared_libs: [
+        "libcutils",
+    ]
+}
diff --git a/services/surfaceflinger/tests/waitforvsync/Android.mk b/services/surfaceflinger/tests/waitforvsync/Android.mk
deleted file mode 100644
index 932d2be..0000000
--- a/services/surfaceflinger/tests/waitforvsync/Android.mk
+++ /dev/null
@@ -1,16 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	waitforvsync.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-
-LOCAL_MODULE:= test-waitforvsync
-
-LOCAL_MODULE_TAGS := tests
-
-LOCAL_CFLAGS := -Werror
-
-include $(BUILD_EXECUTABLE)
diff --git a/services/surfaceflinger/version-script32.txt b/services/surfaceflinger/version-script32.txt
new file mode 100644
index 0000000..2340785
--- /dev/null
+++ b/services/surfaceflinger/version-script32.txt
@@ -0,0 +1,12 @@
+{
+global:
+  EnsureFrontOfChain;
+  AddSpecialSignalHandlerFn;
+  RemoveSpecialSignalHandlerFn;
+  bsd_signal;
+  sigaction;
+  signal;
+  sigprocmask;
+local:
+  *;
+};
diff --git a/services/surfaceflinger/version-script64.txt b/services/surfaceflinger/version-script64.txt
new file mode 100644
index 0000000..acf3630
--- /dev/null
+++ b/services/surfaceflinger/version-script64.txt
@@ -0,0 +1,11 @@
+{
+global:
+  EnsureFrontOfChain;
+  AddSpecialSignalHandlerFn;
+  RemoveSpecialSignalHandlerFn;
+  sigaction;
+  signal;
+  sigprocmask;
+local:
+  *;
+};