diff --git a/Android.bp b/Android.bp
index cd05b21..de9ea86 100644
--- a/Android.bp
+++ b/Android.bp
@@ -8,8 +8,15 @@
 
 subdirs = [
     "cmds/*",
+    "headers",
     "libs/*",
     "opengl",
     "services/*",
     "vulkan",
 ]
+
+cc_library_headers {
+    name: "libandroid_sensor_headers",
+    vendor: true,
+    export_include_dirs: ["include_sensor"],
+}
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 2d9a98c..9cdc9e9 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -124,6 +124,7 @@
         { OPT,      "events/sched/sched_waking/enable" },
         { OPT,      "events/sched/sched_blocked_reason/enable" },
         { OPT,      "events/sched/sched_cpu_hotplug/enable" },
+        { OPT,      "events/cgroup/enable" },
     } },
     { "irq",        "IRQ Events",   0, {
         { REQ,      "events/irq/enable" },
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 526fd19..3ea1d56 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -25,6 +25,8 @@
     chown root shell /sys/kernel/tracing/events/sched/sched_blocked_reason/enable
     chown root shell /sys/kernel/debug/tracing/events/sched/sched_cpu_hotplug/enable
     chown root shell /sys/kernel/tracing/events/sched/sched_cpu_hotplug/enable
+    chown root shell /sys/kernel/debug/tracing/events/cgroup/enable
+    chown root shell /sys/kernel/tracing/events/cgroup/enable
     chown root shell /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
     chown root shell /sys/kernel/tracing/events/power/cpu_frequency/enable
     chown root shell /sys/kernel/debug/tracing/events/power/cpu_idle/enable
@@ -77,6 +79,8 @@
     chmod 0664 /sys/kernel/tracing/events/sched/sched_blocked_reason/enable
     chmod 0664 /sys/kernel/debug/tracing/events/sched/sched_cpu_hotplug/enable
     chmod 0664 /sys/kernel/tracing/events/sched/sched_cpu_hotplug/enable
+    chmod 0664 /sys/kernel/debug/tracing/events/cgroup/enable
+    chmod 0664 /sys/kernel/tracing/events/cgroup/enable
     chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_frequency/enable
     chmod 0664 /sys/kernel/tracing/events/power/cpu_frequency/enable
     chmod 0664 /sys/kernel/debug/tracing/events/power/cpu_idle/enable
diff --git a/cmds/dumpstate/Android.bp b/cmds/dumpstate/Android.bp
new file mode 100644
index 0000000..5984093
--- /dev/null
+++ b/cmds/dumpstate/Android.bp
@@ -0,0 +1,127 @@
+//
+// 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.
+
+cc_defaults {
+    name: "dumpstate_defaults",
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wno-missing-field-initializers",
+        "-Wno-unused-variable",
+        "-Wunused-parameter",
+    ],
+}
+
+cc_library_headers {
+    name: "dumpstate_headers",
+    vendor_available: true,
+    export_include_dirs: ["."],
+    header_libs: [
+        "libbase_headers",
+        "libutils_headers",
+    ],
+    export_header_lib_headers: [
+        "libbase_headers",
+        "libutils_headers",
+    ],
+}
+
+cc_library_shared {
+    name: "libdumpstateutil",
+    defaults: ["dumpstate_defaults"],
+    vendor_available: true,
+    header_libs: ["dumpstate_headers"],
+    export_header_lib_headers: ["dumpstate_headers"],
+    srcs: [
+        "DumpstateInternal.cpp",
+        "DumpstateUtil.cpp",
+    ],
+    shared_libs: [
+        "libbase",
+        "liblog",
+    ],
+}
+
+cc_library_shared {
+    name: "libdumpstateaidl",
+    defaults: ["dumpstate_defaults"],
+    shared_libs: [
+        "libbinder",
+        "libutils",
+    ],
+    aidl: {
+        local_include_dirs: ["binder"],
+        export_aidl_headers: true,
+    },
+    srcs: [
+        "binder/android/os/IDumpstate.aidl",
+        "binder/android/os/IDumpstateListener.aidl",
+        "binder/android/os/IDumpstateToken.aidl",
+    ],
+}
+
+cc_binary {
+    name: "dumpstate",
+    defaults: ["dumpstate_defaults"],
+    header_libs: ["dumpstate_headers"],
+    shared_libs: [
+        "android.hardware.dumpstate@1.0",
+        "libziparchive",
+        "libbase",
+        "libbinder",
+        "libcrypto",
+        "libcutils",
+        "libdebuggerd_client",
+        "libdumpstateaidl",
+        "libdumpstateutil",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+    ],
+    srcs: [
+        "DumpstateInternal.cpp",
+        "DumpstateService.cpp",
+        "utils.cpp",
+        "dumpstate.cpp",
+    ],
+    init_rc: ["dumpstate.rc"],
+}
+
+cc_test {
+    name: "dumpstate_test",
+    defaults: ["dumpstate_defaults"],
+    header_libs: ["dumpstate_headers"],
+    shared_libs: [
+        "libziparchive",
+        "libbase",
+        "libbinder",
+        "libcutils",
+        "libdebuggerd_client",
+        "libdumpstateaidl",
+        "libdumpstateutil",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+    ],
+    srcs: [
+        "DumpstateInternal.cpp",
+        "DumpstateService.cpp",
+        "utils.cpp",
+        "tests/dumpstate_test.cpp",
+    ],
+    static_libs: ["libgmock"],
+}
diff --git a/cmds/dumpstate/Android.mk b/cmds/dumpstate/Android.mk
index a1b6a51..a960333 100644
--- a/cmds/dumpstate/Android.mk
+++ b/cmds/dumpstate/Android.mk
@@ -1,137 +1,5 @@
 LOCAL_PATH:= $(call my-dir)
 
-# ================#
-# Common settings #
-# ================#
-# ZipArchive support, the order matters here to get all symbols.
-COMMON_ZIP_LIBRARIES := libziparchive libz libcrypto
-
-# TODO: ideally the tests should depend on a shared dumpstate library, but currently libdumpstate
-# is used to define the device-specific HAL library. Instead, both dumpstate and dumpstate_test
-# shares a lot of common settings
-COMMON_LOCAL_CFLAGS := \
-       -Wall -Werror -Wno-missing-field-initializers -Wno-unused-variable -Wunused-parameter
-COMMON_SRC_FILES := \
-        DumpstateInternal.cpp \
-        utils.cpp
-COMMON_SHARED_LIBRARIES := \
-        android.hardware.dumpstate@1.0 \
-        libhidlbase \
-        libhidltransport \
-        libbase \
-        libbinder \
-        libcutils \
-        libdebuggerd_client \
-        libdumpstateaidl \
-        libdumpstateutil \
-        liblog \
-        libselinux \
-        libutils \
-        $(COMMON_ZIP_LIBRARIES)
-
-# ====================#
-# libdumpstateutil #
-# ====================#
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := libdumpstateutil
-
-LOCAL_CFLAGS := $(COMMON_LOCAL_CFLAGS)
-LOCAL_C_INCLUDES := $(LOCAL_PATH)
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
-LOCAL_SRC_FILES := \
-        DumpstateInternal.cpp \
-        DumpstateUtil.cpp
-LOCAL_SHARED_LIBRARIES := \
-        libbase \
-        liblog \
-
-include $(BUILD_SHARED_LIBRARY)
-
-# ====================#
-# libdumpstateheaders #
-# ====================#
-# TODO: this module is necessary so the device-specific libdumpstate implementations do not
-# need to add any other dependency (like libbase). Should go away once dumpstate HAL changes.
-include $(CLEAR_VARS)
-
-LOCAL_EXPORT_C_INCLUDE_DIRS = $(LOCAL_PATH)
-LOCAL_MODULE := libdumpstateheaders
-LOCAL_EXPORT_SHARED_LIBRARY_HEADERS := \
-        $(COMMON_SHARED_LIBRARIES)
-LOCAL_EXPORT_STATIC_LIBRARY_HEADERS := \
-        $(COMMON_STATIC_LIBRARIES)
-# Soong requires that whats is on LOCAL_EXPORTED_ is also on LOCAL_
-LOCAL_SHARED_LIBRARIES := $(LOCAL_EXPORT_SHARED_LIBRARY_HEADERS)
-LOCAL_STATIC_LIBRARIES := $(LOCAL_EXPORT_STATIC_LIBRARY_HEADERS)
-
-include $(BUILD_STATIC_LIBRARY)
-
-# ================ #
-# libdumpstateaidl #
-# =================#
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := libdumpstateaidl
-
-LOCAL_CFLAGS := $(COMMON_LOCAL_CFLAGS)
-
-LOCAL_SHARED_LIBRARIES := \
-        libbinder \
-        libutils
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/binder
-LOCAL_AIDL_INCLUDES := $(LOCAL_PATH)/binder
-LOCAL_C_INCLUDES := $(LOCAL_PATH)/binder
-LOCAL_SRC_FILES := \
-        binder/android/os/IDumpstate.aidl \
-        binder/android/os/IDumpstateListener.aidl \
-        binder/android/os/IDumpstateToken.aidl
-
-include $(BUILD_SHARED_LIBRARY)
-
-# ==========#
-# dumpstate #
-# ==========#
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := $(COMMON_SRC_FILES) \
-        DumpstateService.cpp \
-        dumpstate.cpp
-
-LOCAL_MODULE := dumpstate
-
-LOCAL_SHARED_LIBRARIES := $(COMMON_SHARED_LIBRARIES)
-
-LOCAL_STATIC_LIBRARIES := $(COMMON_STATIC_LIBRARIES)
-
-LOCAL_CFLAGS += $(COMMON_LOCAL_CFLAGS)
-
-LOCAL_INIT_RC := dumpstate.rc
-
-include $(BUILD_EXECUTABLE)
-
-# ===============#
-# dumpstate_test #
-# ===============#
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := dumpstate_test
-
-LOCAL_MODULE_TAGS := tests
-
-LOCAL_CFLAGS := $(COMMON_LOCAL_CFLAGS)
-
-LOCAL_SRC_FILES := $(COMMON_SRC_FILES) \
-        DumpstateService.cpp \
-        tests/dumpstate_test.cpp
-
-LOCAL_STATIC_LIBRARIES := $(COMMON_STATIC_LIBRARIES) \
-        libgmock
-
-LOCAL_SHARED_LIBRARIES := $(COMMON_SHARED_LIBRARIES)
-
-include $(BUILD_NATIVE_TEST)
-
 # =======================#
 # dumpstate_test_fixture #
 # =======================#
@@ -141,7 +9,8 @@
 LOCAL_COMPATIBILITY_SUITE := device-tests
 LOCAL_MODULE_TAGS := tests
 
-LOCAL_CFLAGS := $(COMMON_LOCAL_CFLAGS)
+LOCAL_CFLAGS := \
+       -Wall -Werror -Wno-missing-field-initializers -Wno-unused-variable -Wunused-parameter
 
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
diff --git a/cmds/dumpstate/DumpstateInternal.cpp b/cmds/dumpstate/DumpstateInternal.cpp
index 0343277..fbfa7a8 100644
--- a/cmds/dumpstate/DumpstateInternal.cpp
+++ b/cmds/dumpstate/DumpstateInternal.cpp
@@ -25,13 +25,14 @@
 #include <sys/prctl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <unistd.h>
 
 #include <cstdint>
 #include <string>
 #include <vector>
 
 #include <android-base/file.h>
-#include <cutils/log.h>
+#include <log/log.h>
 #include <private/android_filesystem_config.h>
 
 uint64_t Nanotime() {
diff --git a/cmds/dumpstate/DumpstateUtil.cpp b/cmds/dumpstate/DumpstateUtil.cpp
index 26702c4..e866b8b 100644
--- a/cmds/dumpstate/DumpstateUtil.cpp
+++ b/cmds/dumpstate/DumpstateUtil.cpp
@@ -30,7 +30,7 @@
 #include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
-#include <cutils/log.h>
+#include <log/log.h>
 
 #include "DumpstateInternal.h"
 
diff --git a/cmds/dumpstate/dumpstate.h b/cmds/dumpstate/dumpstate.h
index f02303b..7757c1e 100644
--- a/cmds/dumpstate/dumpstate.h
+++ b/cmds/dumpstate/dumpstate.h
@@ -26,10 +26,11 @@
 #include <vector>
 
 #include <android-base/macros.h>
+#include <android/os/IDumpstateListener.h>
+#include <utils/StrongPointer.h>
 #include <ziparchive/zip_writer.h>
 
 #include "DumpstateUtil.h"
-#include "android/os/BnDumpstate.h"
 
 // Workaround for const char *args[MAX_ARGS_ARRAY_SIZE] variables until they're converted to
 // std::vector<std::string>
@@ -49,6 +50,8 @@
 }  // namespace os
 }  // namespace android
 
+class ZipWriter;
+
 // TODO: remove once moved to HAL
 #ifdef __cplusplus
 extern "C" {
diff --git a/cmds/installd/CacheTracker.cpp b/cmds/installd/CacheTracker.cpp
index e293948..3eb39b9 100644
--- a/cmds/installd/CacheTracker.cpp
+++ b/cmds/installd/CacheTracker.cpp
@@ -148,6 +148,7 @@
         }
 
         // Bubble up modified time to parent
+        CHECK(p != nullptr);
         switch (p->fts_info) {
         case FTS_DP:
         case FTS_DEFAULT:
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index e3021d8..202fdd1 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -1641,6 +1641,7 @@
     int64_t videoSize = 0;
     int64_t imageSize = 0;
     int64_t appSize = 0;
+    int64_t obbSize = 0;
 
     auto device = findQuotaDeviceForUuid(uuid);
     if (device.empty()) {
@@ -1688,6 +1689,13 @@
 #endif
             imageSize = dq.dqb_curspace;
         }
+        if (quotactl(QCMD(Q_GETQUOTA, GRPQUOTA), device.c_str(), AID_MEDIA_OBB,
+                reinterpret_cast<char*>(&dq)) == 0) {
+#if MEASURE_DEBUG
+            LOG(DEBUG) << "quotactl() for GID " << AID_MEDIA_OBB << " " << dq.dqb_curspace;
+#endif
+            obbSize = dq.dqb_curspace;
+        }
         ATRACE_END();
 
         ATRACE_BEGIN("apps");
@@ -1744,6 +1752,11 @@
         }
         fts_close(fts);
         ATRACE_END();
+
+        ATRACE_BEGIN("obb");
+        auto obbPath = create_data_media_obb_path(uuid_, "");
+        calculate_tree_size(obbPath, &obbSize);
+        ATRACE_END();
     }
 
     std::vector<int64_t> ret;
@@ -1752,6 +1765,7 @@
     ret.push_back(videoSize);
     ret.push_back(imageSize);
     ret.push_back(appSize);
+    ret.push_back(obbSize);
 #if MEASURE_DEBUG
     LOG(DEBUG) << "Final result " << toString(ret);
 #endif
@@ -1811,8 +1825,8 @@
         const std::unique_ptr<std::string>& packageName, const std::string& instructionSet,
         int32_t dexoptNeeded, const std::unique_ptr<std::string>& outputPath, int32_t dexFlags,
         const std::string& compilerFilter, const std::unique_ptr<std::string>& uuid,
-        const std::unique_ptr<std::string>& sharedLibraries,
-        const std::unique_ptr<std::string>& seInfo) {
+        const std::unique_ptr<std::string>& classLoaderContext,
+        const std::unique_ptr<std::string>& seInfo, bool downgrade) {
     ENFORCE_UID(AID_SYSTEM);
     CHECK_ARGUMENT_UUID(uuid);
     if (packageName && *packageName != "*") {
@@ -1826,10 +1840,11 @@
     const char* oat_dir = outputPath ? outputPath->c_str() : nullptr;
     const char* compiler_filter = compilerFilter.c_str();
     const char* volume_uuid = uuid ? uuid->c_str() : nullptr;
-    const char* shared_libraries = sharedLibraries ? sharedLibraries->c_str() : nullptr;
+    const char* class_loader_context = classLoaderContext ? classLoaderContext->c_str() : nullptr;
     const char* se_info = seInfo ? seInfo->c_str() : nullptr;
     int res = android::installd::dexopt(apk_path, uid, pkgname, instruction_set, dexoptNeeded,
-            oat_dir, dexFlags, compiler_filter, volume_uuid, shared_libraries, se_info);
+            oat_dir, dexFlags, compiler_filter, volume_uuid, class_loader_context, se_info,
+            downgrade);
     return res ? error(res, "Failed to dexopt") : ok();
 }
 
diff --git a/cmds/installd/InstalldNativeService.h b/cmds/installd/InstalldNativeService.h
index 5756b82..c8db3df 100644
--- a/cmds/installd/InstalldNativeService.h
+++ b/cmds/installd/InstalldNativeService.h
@@ -83,8 +83,8 @@
             const std::unique_ptr<std::string>& packageName, const std::string& instructionSet,
             int32_t dexoptNeeded, const std::unique_ptr<std::string>& outputPath, int32_t dexFlags,
             const std::string& compilerFilter, const std::unique_ptr<std::string>& uuid,
-            const std::unique_ptr<std::string>& sharedLibraries,
-            const std::unique_ptr<std::string>& seInfo);
+            const std::unique_ptr<std::string>& classLoaderContext,
+            const std::unique_ptr<std::string>& seInfo, bool downgrade);
 
     binder::Status rmdex(const std::string& codePath, const std::string& instructionSet);
 
diff --git a/cmds/installd/binder/android/os/IInstalld.aidl b/cmds/installd/binder/android/os/IInstalld.aidl
index c8e76b0..452a2b1 100644
--- a/cmds/installd/binder/android/os/IInstalld.aidl
+++ b/cmds/installd/binder/android/os/IInstalld.aidl
@@ -51,7 +51,7 @@
             @nullable @utf8InCpp String outputPath, int dexFlags,
             @utf8InCpp String compilerFilter, @nullable @utf8InCpp String uuid,
             @nullable @utf8InCpp String sharedLibraries,
-            @nullable @utf8InCpp String seInfo);
+            @nullable @utf8InCpp String seInfo, boolean downgrade);
 
     void rmdex(@utf8InCpp String codePath, @utf8InCpp String instructionSet);
 
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
index 685fdd8..d534830 100644
--- a/cmds/installd/dexopt.cpp
+++ b/cmds/installd/dexopt.cpp
@@ -191,7 +191,7 @@
 static void run_dex2oat(int zip_fd, int oat_fd, int input_vdex_fd, int output_vdex_fd, int image_fd,
         const char* input_file_name, const char* output_file_name, int swap_fd,
         const char* instruction_set, const char* compiler_filter,
-        bool debuggable, bool post_bootcomplete, int profile_fd, const char* shared_libraries) {
+        bool debuggable, bool post_bootcomplete, int profile_fd, const char* class_loader_context) {
     static const unsigned int MAX_INSTRUCTION_SET_LEN = 7;
 
     if (strlen(instruction_set) >= MAX_INSTRUCTION_SET_LEN) {
@@ -291,6 +291,12 @@
     char dex2oat_swap_fd[arraysize("--swap-fd=") + MAX_INT_LEN];
     bool have_dex2oat_image_fd = false;
     char dex2oat_image_fd[arraysize("--app-image-fd=") + MAX_INT_LEN];
+    size_t class_loader_context_size = arraysize("--class-loader-context=") + PKG_PATH_MAX;
+    char class_loader_context_arg[class_loader_context_size];
+    if (class_loader_context != nullptr) {
+        snprintf(class_loader_context_arg, class_loader_context_size, "--class-loader-context=%s",
+            class_loader_context);
+    }
 
     sprintf(zip_fd_arg, "--zip-fd=%d", zip_fd);
     sprintf(zip_location_arg, "--zip-location=%s", relative_input_file_name);
@@ -387,7 +393,7 @@
                      + (have_app_image_format ? 1 : 0)
                      + dex2oat_flags_count
                      + (profile_fd == -1 ? 0 : 1)
-                     + (shared_libraries != nullptr ? 4 : 0)
+                     + (class_loader_context != nullptr ? 1 : 0)
                      + (has_base_dir ? 1 : 0)
                      + (have_dex2oat_large_app_threshold ? 1 : 0)];
     int i = 0;
@@ -447,15 +453,13 @@
     if (profile_fd != -1) {
         argv[i++] = profile_arg;
     }
-    if (shared_libraries != nullptr) {
-        argv[i++] = RUNTIME_ARG;
-        argv[i++] = "-classpath";
-        argv[i++] = RUNTIME_ARG;
-        argv[i++] = shared_libraries;
-    }
     if (has_base_dir) {
         argv[i++] = base_dir;
     }
+    if (class_loader_context != nullptr) {
+        argv[i++] = class_loader_context_arg;
+    }
+
     // Do not add after dex2oat_flags, they should override others for debugging.
     argv[i] = NULL;
 
@@ -1359,7 +1363,7 @@
 // If this is for a profile guided compilation, profile_was_updated will tell whether or not
 // the profile has changed.
 static void exec_dexoptanalyzer(const std::string& dex_file, const std::string& instruction_set,
-        const std::string& compiler_filter, bool profile_was_updated) {
+        const std::string& compiler_filter, bool profile_was_updated, bool downgrade) {
     static const char* DEXOPTANALYZER_BIN = "/system/bin/dexoptanalyzer";
     static const unsigned int MAX_INSTRUCTION_SET_LEN = 7;
 
@@ -1373,9 +1377,13 @@
     std::string isa_arg = "--isa=" + instruction_set;
     std::string compiler_filter_arg = "--compiler-filter=" + compiler_filter;
     const char* assume_profile_changed = "--assume-profile-changed";
+    const char* downgrade_flag = "--downgrade";
 
     // program name, dex file, isa, filter, the final NULL
-    const char* argv[5 + (profile_was_updated ? 1 : 0)];
+    const int argc = 5 +
+        (profile_was_updated ? 1 : 0) +
+        (downgrade ? 1 : 0);
+    const char* argv[argc];
     int i = 0;
     argv[i++] = DEXOPTANALYZER_BIN;
     argv[i++] = dex_file_arg.c_str();
@@ -1384,6 +1392,9 @@
     if (profile_was_updated) {
         argv[i++] = assume_profile_changed;
     }
+    if (downgrade) {
+        argv[i++] = downgrade_flag;
+    }
     argv[i] = NULL;
 
     execv(DEXOPTANALYZER_BIN, (char * const *)argv);
@@ -1464,7 +1475,7 @@
 static bool process_secondary_dex_dexopt(const char* original_dex_path, const char* pkgname,
         int dexopt_flags, const char* volume_uuid, int uid, const char* instruction_set,
         const char* compiler_filter, bool* is_public_out, int* dexopt_needed_out,
-        std::string* oat_dir_out, std::string* dex_path_out) {
+        std::string* oat_dir_out, std::string* dex_path_out, bool downgrade) {
     int storage_flag;
 
     if ((dexopt_flags & DEXOPT_STORAGE_CE) != 0) {
@@ -1533,7 +1544,8 @@
         // child -- drop privileges before continuing.
         drop_capabilities(uid);
         // Run dexoptanalyzer to get dexopt_needed code.
-        exec_dexoptanalyzer(dex_path, instruction_set, compiler_filter, profile_was_updated);
+        exec_dexoptanalyzer(dex_path, instruction_set, compiler_filter, profile_was_updated,
+                            downgrade);
         exit(DEXOPTANALYZER_BIN_EXEC_ERROR);
     }
 
@@ -1560,7 +1572,8 @@
 
 int dexopt(const char* dex_path, uid_t uid, const char* pkgname, const char* instruction_set,
         int dexopt_needed, const char* oat_dir, int dexopt_flags, const char* compiler_filter,
-        const char* volume_uuid, const char* shared_libraries, const char* se_info) {
+        const char* volume_uuid, const char* class_loader_context, const char* se_info,
+        bool downgrade) {
     CHECK(pkgname != nullptr);
     CHECK(pkgname[0] != 0);
     if ((dexopt_flags & ~DEXOPT_MASK) != 0) {
@@ -1568,7 +1581,12 @@
     }
 
     if (!validate_dex_path_size(dex_path)) {
-        return false;
+        return -1;
+    }
+
+    if (class_loader_context != nullptr && strlen(class_loader_context) > PKG_PATH_MAX) {
+        LOG(ERROR) << "Class loader context exceeds the allowed size: " << class_loader_context;
+        return -1;
     }
 
     bool is_public = (dexopt_flags & DEXOPT_PUBLIC) != 0;
@@ -1583,7 +1601,8 @@
     if (is_secondary_dex) {
         if (process_secondary_dex_dexopt(dex_path, pkgname, dexopt_flags, volume_uuid, uid,
                 instruction_set, compiler_filter, &is_public, &dexopt_needed, &oat_dir_str,
-                &dex_real_path)) {
+                &dex_real_path,
+                downgrade)) {
             oat_dir = oat_dir_str.c_str();
             dex_path = dex_real_path.c_str();
             if (dexopt_needed == NO_DEXOPT_NEEDED) {
@@ -1672,7 +1691,7 @@
                     debuggable,
                     boot_complete,
                     reference_profile_fd.get(),
-                    shared_libraries);
+                    class_loader_context);
         _exit(68);   /* only get here on exec failure */
     } else {
         int res = wait_child(pid);
diff --git a/cmds/installd/dexopt.h b/cmds/installd/dexopt.h
index d171ee5..23446da 100644
--- a/cmds/installd/dexopt.h
+++ b/cmds/installd/dexopt.h
@@ -63,7 +63,8 @@
 
 int dexopt(const char *apk_path, uid_t uid, const char *pkgName, const char *instruction_set,
         int dexopt_needed, const char* oat_dir, int dexopt_flags, const char* compiler_filter,
-        const char* volume_uuid, const char* shared_libraries, const char* se_info);
+        const char* volume_uuid, const char* class_loader_context, const char* se_info,
+        bool downgrade);
 
 }  // namespace installd
 }  // namespace android
diff --git a/cmds/installd/otapreopt.cpp b/cmds/installd/otapreopt.cpp
index 68cb0d7..09e1a00 100644
--- a/cmds/installd/otapreopt.cpp
+++ b/cmds/installd/otapreopt.cpp
@@ -178,6 +178,7 @@
         const char* volume_uuid;
         const char* shared_libraries;
         const char* se_info;
+        bool downgrade;
     };
 
     bool ReadSystemProperties() {
@@ -281,6 +282,13 @@
         return true;
     }
 
+    bool ParseBool(const char* in) {
+        if (strcmp(in, "true") == 0) {
+            return true;
+        }
+        return false;
+    }
+
     bool ParseUInt(const char* in, uint32_t* out) {
         char* end;
         long long int result = strtoll(in, &end, 0);
@@ -349,6 +357,8 @@
         switch (version) {
             case 2:
                 return ReadArgumentsV2(argc, argv, true);
+            case 3:
+                return ReadArgumentsV3(argc, argv);
 
             default:
                 LOG(ERROR) << "Unsupported version " << version;
@@ -427,6 +437,10 @@
             }
         }
 
+        // Set downgrade to false. It is only relevant when downgrading compiler
+        // filter, which is not the case during ota.
+        package_parameters_.downgrade = false;
+
         if (param_index != 11) {
             LOG(ERROR) << "Not enough parameters";
             return false;
@@ -435,6 +449,89 @@
         return true;
     }
 
+    bool ReadArgumentsV3(int argc ATTRIBUTE_UNUSED, char** argv) {
+        size_t dexopt_index = 3;
+
+        // Check for "dexopt".
+        if (argv[dexopt_index] == nullptr) {
+            LOG(ERROR) << "Missing parameters";
+            return false;
+        }
+        if (std::string("dexopt").compare(argv[dexopt_index]) != 0) {
+            LOG(ERROR) << "Expected \"dexopt\"";
+            return false;
+        }
+
+        size_t param_index = 0;
+        for (;; ++param_index) {
+            const char* param = argv[dexopt_index + 1 + param_index];
+            if (param == nullptr) {
+                break;
+            }
+
+            switch (param_index) {
+                case 0:
+                    package_parameters_.apk_path = param;
+                    break;
+
+                case 1:
+                    package_parameters_.uid = atoi(param);
+                    break;
+
+                case 2:
+                    package_parameters_.pkgName = param;
+                    break;
+
+                case 3:
+                    package_parameters_.instruction_set = param;
+                    break;
+
+                case 4:
+                    package_parameters_.dexopt_needed = atoi(param);
+                    break;
+
+                case 5:
+                    package_parameters_.oat_dir = param;
+                    break;
+
+                case 6:
+                    package_parameters_.dexopt_flags = atoi(param);
+                    break;
+
+                case 7:
+                    package_parameters_.compiler_filter = param;
+                    break;
+
+                case 8:
+                    package_parameters_.volume_uuid = ParseNull(param);
+                    break;
+
+                case 9:
+                    package_parameters_.shared_libraries = ParseNull(param);
+                    break;
+
+                case 10:
+                    package_parameters_.se_info = ParseNull(param);
+                    break;
+
+                case 11:
+                    package_parameters_.downgrade = ParseBool(param);
+                    break;
+
+                default:
+                    LOG(ERROR) << "Too many arguments, got " << param;
+                    return false;
+            }
+        }
+
+        if (param_index != 12) {
+            LOG(ERROR) << "Not enough parameters";
+            return false;
+        }
+
+        return true;
+    }
+
     static int ReplaceMask(int input, int old_mask, int new_mask) {
         return (input & old_mask) != 0 ? new_mask : 0;
     }
@@ -534,6 +631,10 @@
         // receive from a v1 A side.
         package_parameters_.se_info = nullptr;
 
+        // Set downgrade to false. It is only relevant when downgrading compiler
+        // filter, which is not the case during ota.
+        package_parameters_.downgrade = false;
+
         return true;
     }
 
@@ -753,10 +854,6 @@
     }
 
     static const char* ParseNull(const char* arg) {
-        // b/38186355. Revert soon.
-        if (strcmp(arg, "!null") == 0) {
-            return nullptr;
-        }
         return (strcmp(arg, "!") == 0) ? nullptr : arg;
     }
 
@@ -823,7 +920,8 @@
                       package_parameters_.compiler_filter,
                       package_parameters_.volume_uuid,
                       package_parameters_.shared_libraries,
-                      package_parameters_.se_info);
+                      package_parameters_.se_info,
+                      package_parameters_.downgrade);
     }
 
     int RunPreopt() {
diff --git a/data/etc/android.hardware.radio.xml b/data/etc/android.hardware.broadcastradio.xml
similarity index 93%
rename from data/etc/android.hardware.radio.xml
rename to data/etc/android.hardware.broadcastradio.xml
index f718c47..c669518 100644
--- a/data/etc/android.hardware.radio.xml
+++ b/data/etc/android.hardware.broadcastradio.xml
@@ -16,5 +16,5 @@
 
 <!-- This is the standard set of features for a broadcast radio. -->
 <permissions>
-    <feature name="android.hardware.radio" />
+    <feature name="android.hardware.broadcastradio" />
 </permissions>
diff --git a/headers/Android.bp b/headers/Android.bp
new file mode 100644
index 0000000..bcbbbc3
--- /dev/null
+++ b/headers/Android.bp
@@ -0,0 +1,17 @@
+cc_library_headers {
+    name: "media_plugin_headers",
+    vendor_available: true,
+    export_include_dirs: ["media_plugin"],
+    header_libs: [
+        "libstagefright_headers",
+        "libcutils_headers",
+        "libutils_headers",
+        "libstagefright_foundation_headers",
+    ],
+    export_header_lib_headers: [
+        "libstagefright_headers",
+        "libcutils_headers",
+        "libutils_headers",
+        "libstagefright_foundation_headers",
+    ],
+}
diff --git a/include/media/cas/CasAPI.h b/headers/media_plugin/media/cas/CasAPI.h
similarity index 100%
rename from include/media/cas/CasAPI.h
rename to headers/media_plugin/media/cas/CasAPI.h
diff --git a/include/media/cas/DescramblerAPI.h b/headers/media_plugin/media/cas/DescramblerAPI.h
similarity index 100%
rename from include/media/cas/DescramblerAPI.h
rename to headers/media_plugin/media/cas/DescramblerAPI.h
diff --git a/include/media/drm/DrmAPI.h b/headers/media_plugin/media/drm/DrmAPI.h
similarity index 100%
rename from include/media/drm/DrmAPI.h
rename to headers/media_plugin/media/drm/DrmAPI.h
diff --git a/include/media/editor/II420ColorConverter.h b/headers/media_plugin/media/editor/II420ColorConverter.h
similarity index 100%
rename from include/media/editor/II420ColorConverter.h
rename to headers/media_plugin/media/editor/II420ColorConverter.h
diff --git a/include/media/hardware/CryptoAPI.h b/headers/media_plugin/media/hardware/CryptoAPI.h
similarity index 100%
rename from include/media/hardware/CryptoAPI.h
rename to headers/media_plugin/media/hardware/CryptoAPI.h
diff --git a/include/media/hardware/HDCPAPI.h b/headers/media_plugin/media/hardware/HDCPAPI.h
similarity index 100%
rename from include/media/hardware/HDCPAPI.h
rename to headers/media_plugin/media/hardware/HDCPAPI.h
diff --git a/include/media/hardware/HardwareAPI.h b/headers/media_plugin/media/hardware/HardwareAPI.h
similarity index 100%
rename from include/media/hardware/HardwareAPI.h
rename to headers/media_plugin/media/hardware/HardwareAPI.h
diff --git a/include/media/hardware/MetadataBufferType.h b/headers/media_plugin/media/hardware/MetadataBufferType.h
similarity index 100%
rename from include/media/hardware/MetadataBufferType.h
rename to headers/media_plugin/media/hardware/MetadataBufferType.h
diff --git a/include/media/hardware/OMXPluginBase.h b/headers/media_plugin/media/hardware/OMXPluginBase.h
similarity index 100%
rename from include/media/hardware/OMXPluginBase.h
rename to headers/media_plugin/media/hardware/OMXPluginBase.h
diff --git a/include/media/hardware/VideoAPI.h b/headers/media_plugin/media/hardware/VideoAPI.h
similarity index 100%
rename from include/media/hardware/VideoAPI.h
rename to headers/media_plugin/media/hardware/VideoAPI.h
diff --git a/include/media/openmax/OMX_AsString.h b/headers/media_plugin/media/openmax/OMX_AsString.h
similarity index 100%
rename from include/media/openmax/OMX_AsString.h
rename to headers/media_plugin/media/openmax/OMX_AsString.h
diff --git a/include/media/openmax/OMX_Audio.h b/headers/media_plugin/media/openmax/OMX_Audio.h
similarity index 100%
rename from include/media/openmax/OMX_Audio.h
rename to headers/media_plugin/media/openmax/OMX_Audio.h
diff --git a/include/media/openmax/OMX_AudioExt.h b/headers/media_plugin/media/openmax/OMX_AudioExt.h
similarity index 100%
rename from include/media/openmax/OMX_AudioExt.h
rename to headers/media_plugin/media/openmax/OMX_AudioExt.h
diff --git a/include/media/openmax/OMX_Component.h b/headers/media_plugin/media/openmax/OMX_Component.h
similarity index 100%
rename from include/media/openmax/OMX_Component.h
rename to headers/media_plugin/media/openmax/OMX_Component.h
diff --git a/include/media/openmax/OMX_ContentPipe.h b/headers/media_plugin/media/openmax/OMX_ContentPipe.h
similarity index 100%
rename from include/media/openmax/OMX_ContentPipe.h
rename to headers/media_plugin/media/openmax/OMX_ContentPipe.h
diff --git a/include/media/openmax/OMX_Core.h b/headers/media_plugin/media/openmax/OMX_Core.h
similarity index 100%
rename from include/media/openmax/OMX_Core.h
rename to headers/media_plugin/media/openmax/OMX_Core.h
diff --git a/include/media/openmax/OMX_IVCommon.h b/headers/media_plugin/media/openmax/OMX_IVCommon.h
similarity index 100%
rename from include/media/openmax/OMX_IVCommon.h
rename to headers/media_plugin/media/openmax/OMX_IVCommon.h
diff --git a/include/media/openmax/OMX_Image.h b/headers/media_plugin/media/openmax/OMX_Image.h
similarity index 100%
rename from include/media/openmax/OMX_Image.h
rename to headers/media_plugin/media/openmax/OMX_Image.h
diff --git a/include/media/openmax/OMX_Index.h b/headers/media_plugin/media/openmax/OMX_Index.h
similarity index 100%
rename from include/media/openmax/OMX_Index.h
rename to headers/media_plugin/media/openmax/OMX_Index.h
diff --git a/include/media/openmax/OMX_IndexExt.h b/headers/media_plugin/media/openmax/OMX_IndexExt.h
similarity index 100%
rename from include/media/openmax/OMX_IndexExt.h
rename to headers/media_plugin/media/openmax/OMX_IndexExt.h
diff --git a/include/media/openmax/OMX_Other.h b/headers/media_plugin/media/openmax/OMX_Other.h
similarity index 100%
rename from include/media/openmax/OMX_Other.h
rename to headers/media_plugin/media/openmax/OMX_Other.h
diff --git a/include/media/openmax/OMX_Types.h b/headers/media_plugin/media/openmax/OMX_Types.h
similarity index 100%
rename from include/media/openmax/OMX_Types.h
rename to headers/media_plugin/media/openmax/OMX_Types.h
diff --git a/include/media/openmax/OMX_Video.h b/headers/media_plugin/media/openmax/OMX_Video.h
similarity index 100%
rename from include/media/openmax/OMX_Video.h
rename to headers/media_plugin/media/openmax/OMX_Video.h
diff --git a/include/media/openmax/OMX_VideoExt.h b/headers/media_plugin/media/openmax/OMX_VideoExt.h
similarity index 100%
rename from include/media/openmax/OMX_VideoExt.h
rename to headers/media_plugin/media/openmax/OMX_VideoExt.h
diff --git a/include/android/sensor.h b/include/android/sensor.h
index 97b4a2a..7f46087 100644
--- a/include/android/sensor.h
+++ b/include/android/sensor.h
@@ -381,8 +381,13 @@
  *     ASensorManager* sensorManager = ASensorManager_getInstance();
  *
  */
+#if __ANDROID_API__ >= __ANDROID_API_O__
 __attribute__ ((deprecated)) ASensorManager* ASensorManager_getInstance();
+#else
+ASensorManager* ASensorManager_getInstance();
+#endif
 
+#if __ANDROID_API__ >= __ANDROID_API_O__
 /*
  * Get a reference to the sensor manager. ASensorManager is a singleton
  * per package as different packages may have access to different sensors.
@@ -393,6 +398,7 @@
  *
  */
 ASensorManager* ASensorManager_getInstanceForPackage(const char* packageName);
+#endif
 
 /**
  * Returns the list of available sensors.
diff --git a/include/batteryservice b/include/batteryservice
new file mode 120000
index 0000000..2178c32
--- /dev/null
+++ b/include/batteryservice
@@ -0,0 +1 @@
+../services/batteryservice/include/batteryservice/
\ No newline at end of file
diff --git a/include/media b/include/media
new file mode 120000
index 0000000..3e7da1c
--- /dev/null
+++ b/include/media
@@ -0,0 +1 @@
+../headers/media_plugin/media
\ No newline at end of file
diff --git a/include_sensor/android/looper.h b/include_sensor/android/looper.h
new file mode 120000
index 0000000..0cf51b8
--- /dev/null
+++ b/include_sensor/android/looper.h
@@ -0,0 +1 @@
+../../include/android/looper.h
\ No newline at end of file
diff --git a/include_sensor/android/sensor.h b/include_sensor/android/sensor.h
new file mode 120000
index 0000000..0626f4f
--- /dev/null
+++ b/include_sensor/android/sensor.h
@@ -0,0 +1 @@
+../../include/android/sensor.h
\ No newline at end of file
diff --git a/libs/binder/tests/binderThroughputTest.cpp b/libs/binder/tests/binderThroughputTest.cpp
index 6e8f7df..455f2c4 100644
--- a/libs/binder/tests/binderThroughputTest.cpp
+++ b/libs/binder/tests/binderThroughputTest.cpp
@@ -101,18 +101,21 @@
 };
 
 static const uint32_t num_buckets = 128;
-static const uint64_t max_time_bucket = 50ull * 1000000;
-static const uint64_t time_per_bucket = max_time_bucket / num_buckets;
-static constexpr float time_per_bucket_ms = time_per_bucket / 1.0E6;
+static uint64_t max_time_bucket = 50ull * 1000000;
+static uint64_t time_per_bucket = max_time_bucket / num_buckets;
 
 struct ProcResults {
-    uint64_t m_best = max_time_bucket;
     uint64_t m_worst = 0;
     uint32_t m_buckets[num_buckets] = {0};
     uint64_t m_transactions = 0;
+    uint64_t m_long_transactions = 0;
     uint64_t m_total_time = 0;
+    uint64_t m_best = max_time_bucket;
 
     void add_time(uint64_t time) {
+        if (time > max_time_bucket) {
+            m_long_transactions++;
+        }
         m_buckets[min(time, max_time_bucket-1) / time_per_bucket] += 1;
         m_best = min(time, m_best);
         m_worst = max(time, m_worst);
@@ -127,16 +130,24 @@
         ret.m_worst = max(a.m_worst, b.m_worst);
         ret.m_best = min(a.m_best, b.m_best);
         ret.m_transactions = a.m_transactions + b.m_transactions;
+        ret.m_long_transactions = a.m_long_transactions + b.m_long_transactions;
         ret.m_total_time = a.m_total_time + b.m_total_time;
         return ret;
     }
     void dump() {
+        if (m_long_transactions > 0) {
+            cout << (double)m_long_transactions / m_transactions << "% of transactions took longer "
+                "than estimated max latency. Consider setting -m to be higher than "
+                 << m_worst / 1000 << " microseconds" << endl;
+        }
+
         double best = (double)m_best / 1.0E6;
         double worst = (double)m_worst / 1.0E6;
         double average = (double)m_total_time / m_transactions / 1.0E6;
         cout << "average:" << average << "ms worst:" << worst << "ms best:" << best << "ms" << endl;
 
         uint64_t cur_total = 0;
+        float time_per_bucket_ms = time_per_bucket / 1.0E6;
         for (int i = 0; i < num_buckets; i++) {
             float cur_time = time_per_bucket_ms * i + 0.5f * time_per_bucket_ms;
             if ((cur_total < 0.5f * m_transactions) && (cur_total + m_buckets[i] >= 0.5f * m_transactions)) {
@@ -154,7 +165,6 @@
             cur_total += m_buckets[i];
         }
         cout << endl;
-
     }
 };
 
@@ -166,13 +176,12 @@
     return serviceName;
 }
 
-void worker_fx(
-    int num,
-    int worker_count,
-    int iterations,
-    int payload_size,
-    bool cs_pair,
-    Pipe p)
+void worker_fx(int num,
+               int worker_count,
+               int iterations,
+               int payload_size,
+               bool cs_pair,
+               Pipe p)
 {
     // Create BinderWorkerService and for go.
     ProcessState::self()->startThreadPool();
@@ -204,12 +213,12 @@
     for (int i = 0; (!cs_pair || num >= server_count) && i < iterations; i++) {
         Parcel data, reply;
         int target = cs_pair ? num % server_count : rand() % workers.size();
-	int sz = payload_size;
+        int sz = payload_size;
 
-	while (sz > sizeof(uint32_t)) {
-		data.writeInt32(0);
-		sz -= sizeof(uint32_t);
-	}
+        while (sz > sizeof(uint32_t)) {
+            data.writeInt32(0);
+            sz -= sizeof(uint32_t);
+        }
         start = chrono::high_resolution_clock::now();
         status_t ret = workers[target]->transact(BINDER_NOP, data, &reply);
         end = chrono::high_resolution_clock::now();
@@ -264,47 +273,19 @@
     }
 }
 
-int main(int argc, char *argv[])
+void run_main(int iterations,
+              int workers,
+              int payload_size,
+              int cs_pair,
+              bool training_round=false)
 {
-    int workers = 2;
-    int iterations = 10000;
-    int payload_size = 0;
-    bool cs_pair = false;
-    (void)argc;
-    (void)argv;
     vector<Pipe> pipes;
-
-    // Parse arguments.
-    for (int i = 1; i < argc; i++) {
-        if (string(argv[i]) == "-w") {
-            workers = atoi(argv[i+1]);
-            i++;
-            continue;
-        }
-        if (string(argv[i]) == "-i") {
-            iterations = atoi(argv[i+1]);
-            i++;
-            continue;
-        }
-        if (string(argv[i]) == "-s") {
-            payload_size = atoi(argv[i+1]);
-	    i++;
-	}
-        if (string(argv[i]) == "-p") {
-		// client/server pairs instead of spreading
-		// requests to all workers. If true, half
-		// the workers become clients and half servers
-		cs_pair = true;
-	}
-    }
-
     // Create all the workers and wait for them to spawn.
     for (int i = 0; i < workers; i++) {
         pipes.push_back(make_worker(i, iterations, workers, payload_size, cs_pair));
     }
     wait_all(pipes);
 
-
     // Run the workers and wait for completion.
     chrono::time_point<chrono::high_resolution_clock> start, end;
     cout << "waiting for workers to complete" << endl;
@@ -326,7 +307,6 @@
         pipes[i].recv(tmp_results);
         tot_results = ProcResults::combine(tot_results, tmp_results);
     }
-    tot_results.dump();
 
     // Kill all the workers.
     cout << "killing workers" << endl;
@@ -338,5 +318,83 @@
             cout << "nonzero child status" << status << endl;
         }
     }
+    if (training_round) {
+        // sets max_time_bucket to 2 * m_worst from the training round.
+        // Also needs to adjust time_per_bucket accordingly.
+        max_time_bucket = 2 * tot_results.m_worst;
+        time_per_bucket = max_time_bucket / num_buckets;
+        cout << "Max latency during training: " << tot_results.m_worst / 1.0E6 << "ms" << endl;
+    } else {
+            tot_results.dump();
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    int workers = 2;
+    int iterations = 10000;
+    int payload_size = 0;
+    bool cs_pair = false;
+    bool training_round = false;
+    (void)argc;
+    (void)argv;
+
+    // Parse arguments.
+    for (int i = 1; i < argc; i++) {
+        if (string(argv[i]) == "--help") {
+            cout << "Usage: binderThroughputTest [OPTIONS]" << endl;
+            cout << "\t-i N    : Specify number of iterations." << endl;
+            cout << "\t-m N    : Specify expected max latency in microseconds." << endl;
+            cout << "\t-p      : Split workers into client/server pairs." << endl;
+            cout << "\t-s N    : Specify payload size." << endl;
+            cout << "\t-t N    : Run training round." << endl;
+            cout << "\t-w N    : Specify total number of workers." << endl;
+            return 0;
+        }
+        if (string(argv[i]) == "-w") {
+            workers = atoi(argv[i+1]);
+            i++;
+            continue;
+        }
+        if (string(argv[i]) == "-i") {
+            iterations = atoi(argv[i+1]);
+            i++;
+            continue;
+        }
+        if (string(argv[i]) == "-s") {
+            payload_size = atoi(argv[i+1]);
+            i++;
+        }
+        if (string(argv[i]) == "-p") {
+            // client/server pairs instead of spreading
+            // requests to all workers. If true, half
+            // the workers become clients and half servers
+            cs_pair = true;
+        }
+        if (string(argv[i]) == "-t") {
+            // Run one training round before actually collecting data
+            // to get an approximation of max latency.
+            training_round = true;
+        }
+        if (string(argv[i]) == "-m") {
+            // Caller specified the max latency in microseconds.
+            // No need to run training round in this case.
+            if (atoi(argv[i+1]) > 0) {
+                max_time_bucket = strtoull(argv[i+1], (char **)NULL, 10) * 1000;
+                i++;
+            } else {
+                cout << "Max latency -m must be positive." << endl;
+                exit(EXIT_FAILURE);
+            }
+        }
+    }
+
+    if (training_round) {
+        cout << "Start training round" << endl;
+        run_main(iterations, workers, payload_size, cs_pair, training_round=true);
+        cout << "Completed training round" << endl << endl;
+    }
+
+    run_main(iterations, workers, payload_size, cs_pair);
     return 0;
 }
diff --git a/libs/input/Android.bp b/libs/input/Android.bp
index 9294419..2f39976 100644
--- a/libs/input/Android.bp
+++ b/libs/input/Android.bp
@@ -34,6 +34,7 @@
     clang: true,
 
     shared_libs: [
+        "libbase",
         "liblog",
         "libcutils",
     ],
diff --git a/libs/input/VelocityTracker.cpp b/libs/input/VelocityTracker.cpp
index 7f6b157..b174fa8 100644
--- a/libs/input/VelocityTracker.cpp
+++ b/libs/input/VelocityTracker.cpp
@@ -23,13 +23,14 @@
 // Log debug messages about the progress of the algorithm itself.
 #define DEBUG_STRATEGY 0
 
-#include <math.h>
+#include <inttypes.h>
 #include <limits.h>
+#include <math.h>
 
+#include <android-base/stringprintf.h>
 #include <cutils/properties.h>
 #include <input/VelocityTracker.h>
 #include <utils/BitSet.h>
-#include <utils/String8.h>
 #include <utils/Timers.h>
 
 namespace android {
@@ -46,8 +47,7 @@
 
 static float vectorDot(const float* a, const float* b, uint32_t m) {
     float r = 0;
-    while (m) {
-        m--;
+    for (size_t i = 0; i < m; i++) {
         r += *(a++) * *(b++);
     }
     return r;
@@ -55,8 +55,7 @@
 
 static float vectorNorm(const float* a, uint32_t m) {
     float r = 0;
-    while (m) {
-        m--;
+    for (size_t i = 0; i < m; i++) {
         float t = *(a++);
         r += t * t;
     }
@@ -64,36 +63,36 @@
 }
 
 #if DEBUG_STRATEGY || DEBUG_VELOCITY
-static String8 vectorToString(const float* a, uint32_t m) {
-    String8 str;
-    str.append("[");
-    while (m--) {
-        str.appendFormat(" %f", *(a++));
-        if (m) {
-            str.append(",");
+static std::string vectorToString(const float* a, uint32_t m) {
+    std::string str;
+    str += "[";
+    for (size_t i = 0; i < m; i++) {
+        if (i) {
+            str += ",";
         }
+        str += android::base::StringPrintf(" %f", *(a++));
     }
-    str.append(" ]");
+    str += " ]";
     return str;
 }
 
-static String8 matrixToString(const float* a, uint32_t m, uint32_t n, bool rowMajor) {
-    String8 str;
-    str.append("[");
+static std::string matrixToString(const float* a, uint32_t m, uint32_t n, bool rowMajor) {
+    std::string str;
+    str = "[";
     for (size_t i = 0; i < m; i++) {
         if (i) {
-            str.append(",");
+            str += ",";
         }
-        str.append(" [");
+        str += " [";
         for (size_t j = 0; j < n; j++) {
             if (j) {
-                str.append(",");
+                str += ",";
             }
-            str.appendFormat(" %f", a[rowMajor ? i * n + j : j * m + i]);
+            str += android::base::StringPrintf(" %f", a[rowMajor ? i * n + j : j * m + i]);
         }
-        str.append(" ]");
+        str += " ]";
     }
-    str.append(" ]");
+    str += " ]";
     return str;
 }
 #endif
@@ -244,7 +243,7 @@
     mStrategy->addMovement(eventTime, idBits, positions);
 
 #if DEBUG_VELOCITY
-    ALOGD("VelocityTracker: addMovement eventTime=%lld, idBits=0x%08x, activePointerId=%d",
+    ALOGD("VelocityTracker: addMovement eventTime=%" PRId64 ", idBits=0x%08x, activePointerId=%d",
             eventTime, idBits.value, mActivePointerId);
     for (BitSet32 iterBits(idBits); !iterBits.isEmpty(); ) {
         uint32_t id = iterBits.firstMarkedBit();
@@ -256,8 +255,8 @@
                 "estimator (degree=%d, xCoeff=%s, yCoeff=%s, confidence=%f)",
                 id, positions[index].x, positions[index].y,
                 int(estimator.degree),
-                vectorToString(estimator.xCoeff, estimator.degree + 1).string(),
-                vectorToString(estimator.yCoeff, estimator.degree + 1).string(),
+                vectorToString(estimator.xCoeff, estimator.degree + 1).c_str(),
+                vectorToString(estimator.yCoeff, estimator.degree + 1).c_str(),
                 estimator.confidence);
     }
 #endif
@@ -443,8 +442,8 @@
         const float* w, uint32_t m, uint32_t n, float* outB, float* outDet) {
 #if DEBUG_STRATEGY
     ALOGD("solveLeastSquares: m=%d, n=%d, x=%s, y=%s, w=%s", int(m), int(n),
-            vectorToString(x, m).string(), vectorToString(y, m).string(),
-            vectorToString(w, m).string());
+            vectorToString(x, m).c_str(), vectorToString(y, m).c_str(),
+            vectorToString(w, m).c_str());
 #endif
 
     // Expand the X vector to a matrix A, pre-multiplied by the weights.
@@ -456,7 +455,7 @@
         }
     }
 #if DEBUG_STRATEGY
-    ALOGD("  - a=%s", matrixToString(&a[0][0], m, n, false /*rowMajor*/).string());
+    ALOGD("  - a=%s", matrixToString(&a[0][0], m, n, false /*rowMajor*/).c_str());
 #endif
 
     // Apply the Gram-Schmidt process to A to obtain its QR decomposition.
@@ -491,8 +490,8 @@
         }
     }
 #if DEBUG_STRATEGY
-    ALOGD("  - q=%s", matrixToString(&q[0][0], m, n, false /*rowMajor*/).string());
-    ALOGD("  - r=%s", matrixToString(&r[0][0], n, n, true /*rowMajor*/).string());
+    ALOGD("  - q=%s", matrixToString(&q[0][0], m, n, false /*rowMajor*/).c_str());
+    ALOGD("  - r=%s", matrixToString(&r[0][0], n, n, true /*rowMajor*/).c_str());
 
     // calculate QR, if we factored A correctly then QR should equal A
     float qr[n][m];
@@ -504,7 +503,7 @@
             }
         }
     }
-    ALOGD("  - qr=%s", matrixToString(&qr[0][0], m, n, false /*rowMajor*/).string());
+    ALOGD("  - qr=%s", matrixToString(&qr[0][0], m, n, false /*rowMajor*/).c_str());
 #endif
 
     // Solve R B = Qt W Y to find B.  This is easy because R is upper triangular.
@@ -522,7 +521,7 @@
         outB[i] /= r[i][i];
     }
 #if DEBUG_STRATEGY
-    ALOGD("  - b=%s", vectorToString(outB, n).string());
+    ALOGD("  - b=%s", vectorToString(outB, n).c_str());
 #endif
 
     // Calculate the coefficient of determination as 1 - (SSerr / SStot) where
@@ -608,8 +607,8 @@
 #if DEBUG_STRATEGY
             ALOGD("estimate: degree=%d, xCoeff=%s, yCoeff=%s, confidence=%f",
                     int(outEstimator->degree),
-                    vectorToString(outEstimator->xCoeff, n).string(),
-                    vectorToString(outEstimator->yCoeff, n).string(),
+                    vectorToString(outEstimator->xCoeff, n).c_str(),
+                    vectorToString(outEstimator->yCoeff, n).c_str(),
                     outEstimator->confidence);
 #endif
             return true;
diff --git a/libs/vr/libbufferhubqueue/buffer_hub_queue_producer.cpp b/libs/vr/libbufferhubqueue/buffer_hub_queue_producer.cpp
index 0f75a5c..b44e55c 100644
--- a/libs/vr/libbufferhubqueue/buffer_hub_queue_producer.cpp
+++ b/libs/vr/libbufferhubqueue/buffer_hub_queue_producer.cpp
@@ -133,7 +133,7 @@
     int* out_slot, sp<Fence>* out_fence, uint32_t width, uint32_t height,
     PixelFormat format, uint64_t usage,
     FrameEventHistoryDelta* /* out_timestamps */) {
-  ALOGD_IF(TRACE, "dequeueBuffer: w=%u, h=%u, format=%d, usage=%llu", width,
+  ALOGD_IF(TRACE, "dequeueBuffer: w=%u, h=%u, format=%d, usage=%" PRIu64, width,
            height, format, usage);
 
   status_t ret;
diff --git a/libs/vr/libpdx/Android.bp b/libs/vr/libpdx/Android.bp
index f55e994..8fce140 100644
--- a/libs/vr/libpdx/Android.bp
+++ b/libs/vr/libpdx/Android.bp
@@ -5,12 +5,15 @@
         "-Wall",
         "-Wextra",
         "-Werror",
+        "-DLOG_TAG=\"libpdx\"",
+        "-DTRACE=0",
     ],
     export_include_dirs: ["private"],
     local_include_dirs: ["private"],
     srcs: [
         "client.cpp",
         "service.cpp",
+        "service_dispatcher.cpp",
         "status.cpp",
     ],
 }
diff --git a/libs/vr/libpdx/client.cpp b/libs/vr/libpdx/client.cpp
index bfa2d87..a01c4d6 100644
--- a/libs/vr/libpdx/client.cpp
+++ b/libs/vr/libpdx/client.cpp
@@ -1,6 +1,5 @@
 #include "pdx/client.h"
 
-#define LOG_TAG "ServiceFramework"
 #include <log/log.h>
 
 #include <pdx/trace.h>
diff --git a/libs/vr/libpdx/mock_tests.cpp b/libs/vr/libpdx/mock_tests.cpp
index 76fd154..4143837 100644
--- a/libs/vr/libpdx/mock_tests.cpp
+++ b/libs/vr/libpdx/mock_tests.cpp
@@ -3,7 +3,6 @@
 #include <pdx/mock_client_channel_factory.h>
 #include <pdx/mock_message_reader.h>
 #include <pdx/mock_message_writer.h>
-#include <pdx/mock_service_dispatcher.h>
 #include <pdx/mock_service_endpoint.h>
 
 TEST(MockTypes, Instantiation) {
@@ -15,6 +14,5 @@
   android::pdx::MockMessageReader message_reader;
   android::pdx::MockOutputResourceMapper output_resource_mapper;
   android::pdx::MockMessageWriter message_writer;
-  android::pdx::MockServiceDispatcher service_dispatcher;
   android::pdx::MockEndpoint endpoint;
 }
diff --git a/libs/vr/libpdx/private/pdx/mock_service_dispatcher.h b/libs/vr/libpdx/private/pdx/mock_service_dispatcher.h
deleted file mode 100644
index 9b51d30..0000000
--- a/libs/vr/libpdx/private/pdx/mock_service_dispatcher.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef ANDROID_PDX_MOCK_SERVICE_DISPATCHER_H_
-#define ANDROID_PDX_MOCK_SERVICE_DISPATCHER_H_
-
-#include <gmock/gmock.h>
-#include <pdx/service_dispatcher.h>
-
-namespace android {
-namespace pdx {
-
-class MockServiceDispatcher : public ServiceDispatcher {
- public:
-  MOCK_METHOD1(AddService, int(const std::shared_ptr<Service>& service));
-  MOCK_METHOD1(RemoveService, int(const std::shared_ptr<Service>& service));
-  MOCK_METHOD0(ReceiveAndDispatch, int());
-  MOCK_METHOD1(ReceiveAndDispatch, int(int timeout));
-  MOCK_METHOD0(EnterDispatchLoop, int());
-  MOCK_METHOD1(SetCanceled, void(bool cancel));
-  MOCK_CONST_METHOD0(IsCanceled, bool());
-};
-
-}  // namespace pdx
-}  // namespace android
-
-#endif  // ANDROID_PDX_MOCK_SERVICE_DISPATCHER_H_
diff --git a/libs/vr/libpdx/private/pdx/mock_service_endpoint.h b/libs/vr/libpdx/private/pdx/mock_service_endpoint.h
index e741d4a..7f829e7 100644
--- a/libs/vr/libpdx/private/pdx/mock_service_endpoint.h
+++ b/libs/vr/libpdx/private/pdx/mock_service_endpoint.h
@@ -66,6 +66,7 @@
   MOCK_METHOD0(AllocateMessageState, void*());
   MOCK_METHOD1(FreeMessageState, void(void* state));
   MOCK_METHOD0(Cancel, Status<void>());
+  MOCK_CONST_METHOD0(epoll_fd, int());
 };
 
 }  // namespace pdx
diff --git a/libs/vr/libpdx/private/pdx/service_dispatcher.h b/libs/vr/libpdx/private/pdx/service_dispatcher.h
index c5e342a..bd27000 100644
--- a/libs/vr/libpdx/private/pdx/service_dispatcher.h
+++ b/libs/vr/libpdx/private/pdx/service_dispatcher.h
@@ -2,6 +2,11 @@
 #define ANDROID_PDX_SERVICE_DISPATCHER_H_
 
 #include <memory>
+#include <mutex>
+#include <unordered_map>
+#include <vector>
+
+#include <pdx/file_handle.h>
 
 namespace android {
 namespace pdx {
@@ -15,7 +20,10 @@
  */
 class ServiceDispatcher {
  public:
-  virtual ~ServiceDispatcher() = default;
+  // Get a new instance of ServiceDispatcher, or return nullptr if init failed.
+  static std::unique_ptr<ServiceDispatcher> Create();
+
+  ~ServiceDispatcher();
 
   /*
    * Adds a service to the list of services handled by this dispatcher. This
@@ -24,7 +32,7 @@
    *
    * Returns 0 on success; -EEXIST if the service was already added.
    */
-  virtual int AddService(const std::shared_ptr<Service>& service) = 0;
+  int AddService(const std::shared_ptr<Service>& service);
 
   /*
    * Removes a service from this dispatcher. This will fail if any threads are
@@ -33,7 +41,7 @@
    * Returns 0 on success; -ENOENT if the service was not previously added;
    * -EBUSY if there are threads in the dispatcher.
    */
-  virtual int RemoveService(const std::shared_ptr<Service>& service) = 0;
+  int RemoveService(const std::shared_ptr<Service>& service);
 
   /*
    * Receive and dispatch one set of messages. Multiple threads may enter this
@@ -42,14 +50,14 @@
    * cycle, requiring an external loop. This is useful when other work needs
    * to be done in the service dispatch loop.
    */
-  virtual int ReceiveAndDispatch() = 0;
+  int ReceiveAndDispatch();
 
   /*
    * Same as above with timeout in milliseconds. A negative value means
    * infinite timeout, while a value of 0 means return immediately if no
    * messages are available to receive.
    */
-  virtual int ReceiveAndDispatch(int timeout) = 0;
+  int ReceiveAndDispatch(int timeout);
 
   /*
    * Receive and dispatch messages until canceled. When more than one thread
@@ -58,19 +66,39 @@
    * hands Message instances (via move assignment) over to a queue of threads
    * (or perhaps one of several) to handle.
    */
-  virtual int EnterDispatchLoop() = 0;
+  int EnterDispatchLoop();
 
   /*
    * Sets the canceled state of the dispatcher. When canceled is true, any
    * threads blocked waiting for messages will return. This method waits until
    * all dispatch threads have exited the dispatcher.
    */
-  virtual void SetCanceled(bool cancel) = 0;
+  void SetCanceled(bool cancel);
 
   /*
    * Gets the canceled state of the dispatcher.
    */
-  virtual bool IsCanceled() const = 0;
+  bool IsCanceled() const;
+
+ private:
+  ServiceDispatcher();
+
+  // Internal thread accounting.
+  int ThreadEnter();
+  void ThreadExit();
+
+  std::mutex mutex_;
+  std::condition_variable condition_;
+  std::atomic<bool> canceled_{false};
+
+  std::vector<std::shared_ptr<Service>> services_;
+
+  int thread_count_ = 0;
+  LocalHandle event_fd_;
+  LocalHandle epoll_fd_;
+
+  ServiceDispatcher(const ServiceDispatcher&) = delete;
+  void operator=(const ServiceDispatcher&) = delete;
 };
 
 }  // namespace pdx
diff --git a/libs/vr/libpdx/private/pdx/service_endpoint.h b/libs/vr/libpdx/private/pdx/service_endpoint.h
index 28bd6bc..d581894 100644
--- a/libs/vr/libpdx/private/pdx/service_endpoint.h
+++ b/libs/vr/libpdx/private/pdx/service_endpoint.h
@@ -136,6 +136,10 @@
   // Cancels the endpoint, unblocking any receiver threads waiting for a
   // message.
   virtual Status<void> Cancel() = 0;
+
+  // Returns an fd that can be used with epoll() to wait for incoming messages
+  // from this endpoint.
+  virtual int epoll_fd() const = 0;
 };
 
 }  // namespace pdx
diff --git a/libs/vr/libpdx/service.cpp b/libs/vr/libpdx/service.cpp
index fab4770..1d3b62a 100644
--- a/libs/vr/libpdx/service.cpp
+++ b/libs/vr/libpdx/service.cpp
@@ -1,4 +1,3 @@
-#define LOG_TAG "ServiceFramework"
 #include "pdx/service.h"
 
 #include <fcntl.h>
@@ -10,8 +9,6 @@
 
 #include <pdx/trace.h>
 
-#define TRACE 0
-
 namespace android {
 namespace pdx {
 
diff --git a/libs/vr/libpdx_uds/service_dispatcher.cpp b/libs/vr/libpdx/service_dispatcher.cpp
similarity index 83%
rename from libs/vr/libpdx_uds/service_dispatcher.cpp
rename to libs/vr/libpdx/service_dispatcher.cpp
index 2c52578..b112fa3 100644
--- a/libs/vr/libpdx_uds/service_dispatcher.cpp
+++ b/libs/vr/libpdx/service_dispatcher.cpp
@@ -1,26 +1,25 @@
-#include "uds/service_dispatcher.h"
+#include <pdx/service_dispatcher.h>
 
 #include <errno.h>
 #include <log/log.h>
 #include <sys/epoll.h>
 #include <sys/eventfd.h>
 
-#include "pdx/service.h"
-#include "uds/service_endpoint.h"
+#include <pdx/service.h>
+#include <pdx/service_endpoint.h>
 
 static const int kMaxEventsPerLoop = 128;
 
 namespace android {
 namespace pdx {
-namespace uds {
 
-std::unique_ptr<pdx::ServiceDispatcher> ServiceDispatcher::Create() {
+std::unique_ptr<ServiceDispatcher> ServiceDispatcher::Create() {
   std::unique_ptr<ServiceDispatcher> dispatcher{new ServiceDispatcher()};
   if (!dispatcher->epoll_fd_ || !dispatcher->event_fd_) {
     dispatcher.reset();
   }
 
-  return std::move(dispatcher);
+  return dispatcher;
 }
 
 ServiceDispatcher::ServiceDispatcher() {
@@ -70,18 +69,14 @@
 }
 
 int ServiceDispatcher::AddService(const std::shared_ptr<Service>& service) {
-  if (service->endpoint()->GetIpcTag() != Endpoint::kIpcTag)
-    return -EINVAL;
-
   std::lock_guard<std::mutex> autolock(mutex_);
 
-  auto* endpoint = static_cast<Endpoint*>(service->endpoint());
   epoll_event event;
   event.events = EPOLLIN;
   event.data.ptr = service.get();
 
-  if (epoll_ctl(epoll_fd_.Get(), EPOLL_CTL_ADD, endpoint->epoll_fd(), &event) <
-      0) {
+  if (epoll_ctl(epoll_fd_.Get(), EPOLL_CTL_ADD, service->endpoint()->epoll_fd(),
+                &event) < 0) {
     ALOGE("Failed to add service to dispatcher because: %s\n", strerror(errno));
     return -errno;
   }
@@ -91,9 +86,6 @@
 }
 
 int ServiceDispatcher::RemoveService(const std::shared_ptr<Service>& service) {
-  if (service->endpoint()->GetIpcTag() != Endpoint::kIpcTag)
-    return -EINVAL;
-
   std::lock_guard<std::mutex> autolock(mutex_);
 
   // It's dangerous to remove a service while other threads may be using it.
@@ -101,16 +93,15 @@
     return -EBUSY;
 
   epoll_event dummy;  // See BUGS in man 2 epoll_ctl.
-
-  auto* endpoint = static_cast<Endpoint*>(service->endpoint());
-  if (epoll_ctl(epoll_fd_.Get(), EPOLL_CTL_DEL, endpoint->epoll_fd(), &dummy) <
-      0) {
+  if (epoll_ctl(epoll_fd_.Get(), EPOLL_CTL_DEL, service->endpoint()->epoll_fd(),
+                &dummy) < 0) {
     ALOGE("Failed to remove service from dispatcher because: %s\n",
           strerror(errno));
     return -errno;
   }
 
-  services_.remove(service);
+  services_.erase(std::remove(services_.begin(), services_.end(), service),
+                  services_.end());
   return 0;
 }
 
@@ -139,7 +130,7 @@
       Service* service = static_cast<Service*>(events[i].data.ptr);
 
       ALOGI_IF(TRACE, "Dispatching message: fd=%d\n",
-               static_cast<Endpoint*>(service->endpoint())->epoll_fd());
+               service->endpoint()->epoll_fd());
       service->ReceiveAndDispatch();
     }
   }
@@ -171,7 +162,7 @@
         Service* service = static_cast<Service*>(events[i].data.ptr);
 
         ALOGI_IF(TRACE, "Dispatching message: fd=%d\n",
-                 static_cast<Endpoint*>(service->endpoint())->epoll_fd());
+                 service->endpoint()->epoll_fd());
         service->ReceiveAndDispatch();
       }
     }
@@ -197,6 +188,5 @@
 
 bool ServiceDispatcher::IsCanceled() const { return canceled_; }
 
-}  // namespace uds
 }  // namespace pdx
 }  // namespace android
diff --git a/libs/vr/libpdx_default_transport/private/servicefs/pdx/default_transport/service_dispatcher.h b/libs/vr/libpdx_default_transport/private/servicefs/pdx/default_transport/service_dispatcher.h
deleted file mode 100644
index 158871c..0000000
--- a/libs/vr/libpdx_default_transport/private/servicefs/pdx/default_transport/service_dispatcher.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef ANDROID_PDX_DEFAULT_TRANSPORT_SERVICEFS_SERVICE_DISPATCHER_H_
-#define ANDROID_PDX_DEFAULT_TRANSPORT_SERVICEFS_SERVICE_DISPATCHER_H_
-
-#include <servicefs/service_dispatcher.h>
-
-namespace android {
-namespace pdx {
-namespace default_transport {
-
-using ServiceDispatcher = ::android::pdx::servicefs::ServiceDispatcher;
-
-}  // namespace default_transport
-}  // namespace pdx
-}  // namespace android
-
-
-#endif  // ANDROID_PDX_DEFAULT_TRANSPORT_SERVICEFS_SERVICE_DISPATCHER_H_
diff --git a/libs/vr/libpdx_default_transport/private/uds/pdx/default_transport/service_dispatcher.h b/libs/vr/libpdx_default_transport/private/uds/pdx/default_transport/service_dispatcher.h
deleted file mode 100644
index 7cb7a80..0000000
--- a/libs/vr/libpdx_default_transport/private/uds/pdx/default_transport/service_dispatcher.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef ANDROID_PDX_DEFAULT_TRANSPORT_UDS_SERVICE_DISPATCHER_H_
-#define ANDROID_PDX_DEFAULT_TRANSPORT_UDS_SERVICE_DISPATCHER_H_
-
-#include <uds/service_dispatcher.h>
-
-namespace android {
-namespace pdx {
-namespace default_transport {
-
-using ServiceDispatcher = ::android::pdx::uds::ServiceDispatcher;
-
-}  // namespace default_transport
-}  // namespace pdx
-}  // namespace android
-
-
-#endif  // ANDROID_PDX_DEFAULT_TRANSPORT_UDS_SERVICE_DISPATCHER_H_
diff --git a/libs/vr/libpdx_uds/Android.bp b/libs/vr/libpdx_uds/Android.bp
index 82a5ea7..d0b7cab 100644
--- a/libs/vr/libpdx_uds/Android.bp
+++ b/libs/vr/libpdx_uds/Android.bp
@@ -16,7 +16,6 @@
         "client_channel_factory.cpp",
         "client_channel.cpp",
         "ipc_helper.cpp",
-        "service_dispatcher.cpp",
         "service_endpoint.cpp",
     ],
     static_libs: [
diff --git a/libs/vr/libpdx_uds/client_channel_tests.cpp b/libs/vr/libpdx_uds/client_channel_tests.cpp
index 7c3c68a..1560030 100644
--- a/libs/vr/libpdx_uds/client_channel_tests.cpp
+++ b/libs/vr/libpdx_uds/client_channel_tests.cpp
@@ -13,6 +13,7 @@
 #include <pdx/client.h>
 #include <pdx/rpc/remote_method.h>
 #include <pdx/service.h>
+#include <pdx/service_dispatcher.h>
 
 #include <uds/client_channel_factory.h>
 #include <uds/service_endpoint.h>
@@ -81,7 +82,7 @@
     auto endpoint = Endpoint::CreateFromSocketFd(LocalHandle{});
     endpoint->RegisterNewChannelForTests(std::move(channel_socket));
     service_ = TestService::Create(std::move(endpoint));
-    dispatcher_ = android::pdx::uds::ServiceDispatcher::Create();
+    dispatcher_ = ServiceDispatcher::Create();
     dispatcher_->AddService(service_);
     dispatch_thread_ = std::thread(
         std::bind(&ServiceDispatcher::EnterDispatchLoop, dispatcher_.get()));
diff --git a/libs/vr/libpdx_uds/private/uds/service_dispatcher.h b/libs/vr/libpdx_uds/private/uds/service_dispatcher.h
deleted file mode 100644
index 23af4f4..0000000
--- a/libs/vr/libpdx_uds/private/uds/service_dispatcher.h
+++ /dev/null
@@ -1,55 +0,0 @@
-#ifndef ANDROID_PDX_UDS_SERVICE_DISPATCHER_H_
-#define ANDROID_PDX_UDS_SERVICE_DISPATCHER_H_
-
-#include <list>
-#include <memory>
-#include <mutex>
-#include <unordered_map>
-
-#include <pdx/file_handle.h>
-#include <pdx/service_dispatcher.h>
-
-namespace android {
-namespace pdx {
-namespace uds {
-
-class ServiceDispatcher : public pdx::ServiceDispatcher {
- public:
-  // Get a new instance of ServiceDispatcher, or return nullptr if init failed.
-  static std::unique_ptr<pdx::ServiceDispatcher> Create();
-
-  ~ServiceDispatcher() override;
-  int AddService(const std::shared_ptr<Service>& service) override;
-  int RemoveService(const std::shared_ptr<Service>& service) override;
-  int ReceiveAndDispatch() override;
-  int ReceiveAndDispatch(int timeout) override;
-  int EnterDispatchLoop() override;
-  void SetCanceled(bool cancel) override;
-  bool IsCanceled() const override;
-
- private:
-  ServiceDispatcher();
-
-  // Internal thread accounting.
-  int ThreadEnter();
-  void ThreadExit();
-
-  std::mutex mutex_;
-  std::condition_variable condition_;
-  std::atomic<bool> canceled_{false};
-
-  std::list<std::shared_ptr<Service>> services_;
-
-  int thread_count_ = 0;
-  LocalHandle event_fd_;
-  LocalHandle epoll_fd_;
-
-  ServiceDispatcher(const ServiceDispatcher&) = delete;
-  void operator=(const ServiceDispatcher&) = delete;
-};
-
-}  // namespace uds
-}  // namespace pdx
-}  // namespace android
-
-#endif  // ANDROID_PDX_UDS_SERVICE_DISPATCHER_H_
diff --git a/libs/vr/libpdx_uds/private/uds/service_endpoint.h b/libs/vr/libpdx_uds/private/uds/service_endpoint.h
index 368891c..a163812 100644
--- a/libs/vr/libpdx_uds/private/uds/service_endpoint.h
+++ b/libs/vr/libpdx_uds/private/uds/service_endpoint.h
@@ -12,7 +12,6 @@
 #include <pdx/service.h>
 #include <pdx/service_endpoint.h>
 #include <uds/channel_event_set.h>
-#include <uds/service_dispatcher.h>
 
 namespace android {
 namespace pdx {
@@ -105,7 +104,7 @@
   // socket file descriptor.
   Status<void> RegisterNewChannelForTests(LocalHandle channel_fd);
 
-  int epoll_fd() const { return epoll_fd_.Get(); }
+  int epoll_fd() const override { return epoll_fd_.Get(); }
 
  private:
   struct ChannelData {
diff --git a/libs/vr/libpdx_uds/remote_method_tests.cpp b/libs/vr/libpdx_uds/remote_method_tests.cpp
index 3109753..3f25776 100644
--- a/libs/vr/libpdx_uds/remote_method_tests.cpp
+++ b/libs/vr/libpdx_uds/remote_method_tests.cpp
@@ -15,9 +15,9 @@
 #include <pdx/rpc/remote_method.h>
 #include <pdx/rpc/serializable.h>
 #include <pdx/service.h>
+#include <pdx/service_dispatcher.h>
 #include <uds/client_channel.h>
 #include <uds/client_channel_factory.h>
-#include <uds/service_dispatcher.h>
 #include <uds/service_endpoint.h>
 
 using android::pdx::BorrowedHandle;
@@ -561,7 +561,7 @@
 
   void SetUp() override {
     // Create a dispatcher to handle messages to services.
-    dispatcher_ = android::pdx::uds::ServiceDispatcher::Create();
+    dispatcher_ = android::pdx::ServiceDispatcher::Create();
     ASSERT_NE(nullptr, dispatcher_);
 
     // Start the message dispatch loop in a separate thread.
diff --git a/libs/vr/libpdx_uds/service_framework_tests.cpp b/libs/vr/libpdx_uds/service_framework_tests.cpp
index 2943239..5943b0a 100644
--- a/libs/vr/libpdx_uds/service_framework_tests.cpp
+++ b/libs/vr/libpdx_uds/service_framework_tests.cpp
@@ -16,10 +16,10 @@
 #include <pdx/client.h>
 #include <pdx/file_handle.h>
 #include <pdx/service.h>
+#include <pdx/service_dispatcher.h>
 #include <private/android_filesystem_config.h>
 #include <uds/client_channel.h>
 #include <uds/client_channel_factory.h>
-#include <uds/service_dispatcher.h>
 #include <uds/service_endpoint.h>
 
 using android::pdx::BorrowedChannelHandle;
@@ -425,7 +425,7 @@
 
   void SetUp() override {
     // Create a dispatcher to handle messages to services.
-    dispatcher_ = android::pdx::uds::ServiceDispatcher::Create();
+    dispatcher_ = android::pdx::ServiceDispatcher::Create();
     ASSERT_NE(nullptr, dispatcher_);
 
     // Start the message dispatch loop in a separate thread.
diff --git a/libs/vr/libvrflinger/hardware_composer.cpp b/libs/vr/libvrflinger/hardware_composer.cpp
index d937c88..4479d1e 100644
--- a/libs/vr/libvrflinger/hardware_composer.cpp
+++ b/libs/vr/libvrflinger/hardware_composer.cpp
@@ -408,7 +408,7 @@
   }
 
   const bool is_frame_pending = IsFramePendingInDriver();
-  const bool is_fence_pending = retire_fence_fds_.size() >
+  const bool is_fence_pending = static_cast<int32_t>(retire_fence_fds_.size()) >
                                 post_thread_config_.allowed_pending_fence_count;
 
   if (is_fence_pending || is_frame_pending) {
diff --git a/libs/vr/libvrflinger/include/dvr/vr_flinger.h b/libs/vr/libvrflinger/include/dvr/vr_flinger.h
index f41da87..e7f41a7 100644
--- a/libs/vr/libvrflinger/include/dvr/vr_flinger.h
+++ b/libs/vr/libvrflinger/include/dvr/vr_flinger.h
@@ -4,7 +4,7 @@
 #include <thread>
 #include <memory>
 
-#include <pdx/default_transport/service_dispatcher.h>
+#include <pdx/service_dispatcher.h>
 #include <vr/vr_manager/vr_manager.h>
 
 namespace android {
diff --git a/libs/vr/libvrflinger/vr_flinger.cpp b/libs/vr/libvrflinger/vr_flinger.cpp
index 3a0ca4a..56405de 100644
--- a/libs/vr/libvrflinger/vr_flinger.cpp
+++ b/libs/vr/libvrflinger/vr_flinger.cpp
@@ -18,8 +18,6 @@
 #include <sys/prctl.h>
 #include <sys/resource.h>
 
-#include <pdx/default_transport/service_dispatcher.h>
-
 #include <functional>
 
 #include "DisplayHardware/ComposerHal.h"
@@ -76,7 +74,7 @@
 
   request_display_callback_ = request_display_callback;
 
-  dispatcher_ = android::pdx::default_transport::ServiceDispatcher::Create();
+  dispatcher_ = android::pdx::ServiceDispatcher::Create();
   CHECK_ERROR(!dispatcher_, error, "Failed to create service dispatcher.");
 
   display_service_ =
diff --git a/libs/vr/libvrsensor/pose_client.cpp b/libs/vr/libvrsensor/pose_client.cpp
index 4ddf1f3..546c2b6 100644
--- a/libs/vr/libvrsensor/pose_client.cpp
+++ b/libs/vr/libvrsensor/pose_client.cpp
@@ -18,14 +18,13 @@
 using android::pdx::Status;
 using android::pdx::Transaction;
 
-#define arraysize(x) (static_cast<int32_t>(std::extent<decltype(x)>::value))
-
 namespace android {
 namespace dvr {
 namespace {
 
 typedef CPUMappedBroadcastRing<DvrPoseRing> SensorPoseRing;
 
+constexpr static int32_t MAX_CONTROLLERS = 2;
 }  // namespace
 
 // PoseClient is a remote interface to the pose service in sensord.
@@ -81,7 +80,7 @@
 
   int GetControllerPose(int32_t controller_id, uint32_t vsync_count,
                         DvrPoseAsync* out_pose) {
-    if (controller_id < 0 || controller_id >= arraysize(controllers_)) {
+    if (controller_id < 0 || controller_id >= MAX_CONTROLLERS) {
       return -EINVAL;
     }
     if (!controllers_[controller_id].mapped_pose_buffer) {
@@ -166,7 +165,7 @@
   }
 
   int GetControllerRingBuffer(int32_t controller_id) {
-    if (controller_id < 0 || controller_id >= arraysize(controllers_)) {
+    if (controller_id < 0 || controller_id >= MAX_CONTROLLERS) {
       return -EINVAL;
     }
     ControllerClientState& client_state = controllers_[controller_id];
@@ -254,7 +253,7 @@
     std::unique_ptr<BufferConsumer> pose_buffer;
     const DvrPoseAsync* mapped_pose_buffer = nullptr;
   };
-  ControllerClientState controllers_[2];
+  ControllerClientState controllers_[MAX_CONTROLLERS];
 };
 
 }  // namespace dvr
diff --git a/opengl/include/EGL/eglext.h b/opengl/include/EGL/eglext.h
index c4073a9..466768a 100644
--- a/opengl/include/EGL/eglext.h
+++ b/opengl/include/EGL/eglext.h
@@ -534,11 +534,6 @@
 #endif
 #endif /* EGL_ANDROID_presentation_time */
 
-#ifndef EGL_KHR_no_config_context
-#define EGL_KHR_no_config_context 1
-#define EGL_NO_CONFIG_KHR                 EGL_CAST(EGLConfig,0)
-#endif /* EGL_KHR_no_config_context */
-
 #ifndef EGL_ANDROID_get_frame_timestamps
 #define EGL_ANDROID_get_frame_timestamps 1
 #define EGL_TIMESTAMPS_ANDROID 0x3430
diff --git a/opengl/libs/Android.bp b/opengl/libs/Android.bp
index a344636..b4cc211 100644
--- a/opengl/libs/Android.bp
+++ b/opengl/libs/Android.bp
@@ -127,7 +127,14 @@
         "EGL/Loader.cpp",
         "EGL/BlobCache.cpp",
     ],
-    shared_libs: ["libvndksupport"],
+    shared_libs: [
+        "libvndksupport",
+        "android.hardware.configstore@1.0",
+        "android.hardware.configstore-utils",
+        "libhidlbase",
+        "libhidltransport",
+        "libutils",
+    ],
     static_libs: ["libEGL_getProcAddress"],
     ldflags: ["-Wl,--exclude-libs=ALL"],
     export_include_dirs: ["EGL/include"],
diff --git a/opengl/libs/EGL/Loader.cpp b/opengl/libs/EGL/Loader.cpp
index 32f8caa..371239d 100644
--- a/opengl/libs/EGL/Loader.cpp
+++ b/opengl/libs/EGL/Loader.cpp
@@ -327,17 +327,17 @@
             switch (emulationStatus) {
                 case 0:
 #if defined(__LP64__)
-                    result = "/system/lib64/egl/libGLES_android.so";
+                    result = "/vendor/lib64/egl/libGLES_android.so";
 #else
-                    result = "/system/lib/egl/libGLES_android.so";
+                    result = "/vendor/lib/egl/libGLES_android.so";
 #endif
                     return result;
                 case 1:
                     // Use host-side OpenGL through the "emulation" library
 #if defined(__LP64__)
-                    result = std::string("/system/lib64/egl/lib") + kind + "_emulation.so";
+                    result = std::string("/vendor/lib64/egl/lib") + kind + "_emulation.so";
 #else
-                    result = std::string("/system/lib/egl/lib") + kind + "_emulation.so";
+                    result = std::string("/vendor/lib/egl/lib") + kind + "_emulation.so";
 #endif
                     return result;
                 default:
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index c5feb89..0214b0e 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -87,9 +87,6 @@
         "EGL_ANDROID_get_native_client_buffer "
         "EGL_ANDROID_front_buffer_auto_refresh "
         "EGL_ANDROID_get_frame_timestamps "
-        "EGL_EXT_gl_colorspace_scrgb_linear "
-        "EGL_EXT_gl_colorspace_display_p3_linear "
-        "EGL_EXT_gl_colorspace_display_p3 "
         ;
 
 char const * const gExtensionString  =
@@ -467,6 +464,8 @@
         return HAL_DATASPACE_DISPLAY_P3;
     } else if (colorspace == EGL_GL_COLORSPACE_DISPLAY_P3_LINEAR_EXT) {
         return HAL_DATASPACE_DISPLAY_P3_LINEAR;
+    } else if (colorspace == EGL_GL_COLORSPACE_SCRGB_EXT) {
+        return HAL_DATASPACE_V0_SCRGB;
     } else if (colorspace == EGL_GL_COLORSPACE_SCRGB_LINEAR_EXT) {
         return HAL_DATASPACE_V0_SCRGB_LINEAR;
     }
@@ -526,25 +525,34 @@
     return stripped;
 }
 
-static EGLBoolean getColorSpaceAttribute(egl_display_ptr dp, const EGLint* attrib_list,
-                                         EGLint& colorSpace, android_dataspace& dataSpace) {
+static EGLBoolean getColorSpaceAttribute(egl_display_ptr dp, NativeWindowType window,
+                                         const EGLint* attrib_list, EGLint& colorSpace,
+                                         android_dataspace& dataSpace) {
     colorSpace = EGL_GL_COLORSPACE_LINEAR_KHR;
     dataSpace = HAL_DATASPACE_UNKNOWN;
+
     if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
         for (const EGLint* attr = attrib_list; *attr != EGL_NONE; attr += 2) {
             if (*attr == EGL_GL_COLORSPACE_KHR) {
                 colorSpace = attr[1];
                 bool found = false;
+                bool verify = true;
                 // Verify that color space is allowed
                 if (colorSpace == EGL_GL_COLORSPACE_SRGB_KHR ||
                     colorSpace == EGL_GL_COLORSPACE_LINEAR_KHR) {
+                    // SRGB and LINEAR are always supported when EGL_KHR_gl_colorspace
+                    // is available, so no need to verify.
                     found = true;
+                    verify = false;
                 } else if (colorSpace == EGL_EXT_gl_colorspace_bt2020_linear &&
                            dp->haveExtension("EGL_EXT_gl_colorspace_bt2020_linear")) {
                     found = true;
                 } else if (colorSpace == EGL_EXT_gl_colorspace_bt2020_pq &&
                            dp->haveExtension("EGL_EXT_gl_colorspace_bt2020_pq")) {
                     found = true;
+                } else if (colorSpace == EGL_GL_COLORSPACE_SCRGB_EXT &&
+                           dp->haveExtension("EGL_EXT_gl_colorspace_scrgb")) {
+                    found = true;
                 } else if (colorSpace == EGL_GL_COLORSPACE_SCRGB_LINEAR_EXT &&
                            dp->haveExtension("EGL_EXT_gl_colorspace_scrgb_linear")) {
                     found = true;
@@ -558,6 +566,31 @@
                 if (!found) {
                     return false;
                 }
+                if (verify && window) {
+                    bool wide_color_support = true;
+                    // Ordinarily we'd put a call to native_window_get_wide_color_support
+                    // at the beginning of the function so that we'll have the
+                    // result when needed elsewhere in the function.
+                    // However, because eglCreateWindowSurface is called by SurfaceFlinger and
+                    // SurfaceFlinger is required to answer the call below we would
+                    // end up in a deadlock situation. By moving the call to only happen
+                    // if the application has specifically asked for wide-color we avoid
+                    // the deadlock with SurfaceFlinger since it will not ask for a
+                    // wide-color surface.
+                    int err = native_window_get_wide_color_support(window, &wide_color_support);
+
+                    if (err) {
+                        ALOGE("getColorSpaceAttribute: invalid window (win=%p) "
+                              "failed (%#x) (already connected to another API?)",
+                              window, err);
+                        return false;
+                    }
+                    if (!wide_color_support) {
+                        // Application has asked for a wide-color colorspace but
+                        // wide-color support isn't available on the display the window is on.
+                        return false;
+                    }
+                }
                 // Only change the dataSpace from default if the application
                 // has explicitly set the color space with a EGL_GL_COLORSPACE_KHR attribute.
                 dataSpace = modifyBufferDataspace(dataSpace, colorSpace);
@@ -567,6 +600,11 @@
     return true;
 }
 
+static EGLBoolean getColorSpaceAttribute(egl_display_ptr dp, const EGLint* attrib_list,
+                                         EGLint& colorSpace, android_dataspace& dataSpace) {
+    return getColorSpaceAttribute(dp, NULL, attrib_list, colorSpace, dataSpace);
+}
+
 void getNativePixelFormat(EGLDisplay dpy, egl_connection_t* cnx, EGLConfig config, EGLint& format) {
     // Set the native window's buffers format to match what this config requests.
     // Whether to use sRGB gamma is not part of the EGLconfig, but is part
@@ -661,7 +699,7 @@
         // now select correct colorspace and dataspace based on user's attribute list
         EGLint colorSpace;
         android_dataspace dataSpace;
-        if (!getColorSpaceAttribute(dp, attrib_list, colorSpace, dataSpace)) {
+        if (!getColorSpaceAttribute(dp, window, attrib_list, colorSpace, dataSpace)) {
             ALOGE("error invalid colorspace: %d", colorSpace);
             return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
         }
diff --git a/opengl/libs/EGL/egl_display.cpp b/opengl/libs/EGL/egl_display.cpp
index b696920..4e5833a 100644
--- a/opengl/libs/EGL/egl_display.cpp
+++ b/opengl/libs/EGL/egl_display.cpp
@@ -30,6 +30,12 @@
 #include "Loader.h"
 #include <cutils/properties.h>
 
+#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
+#include <configstore/Utils.h>
+
+using namespace android::hardware::configstore;
+using namespace android::hardware::configstore::V1_0;
+
 // ----------------------------------------------------------------------------
 namespace android {
 // ----------------------------------------------------------------------------
@@ -192,6 +198,18 @@
         mClientApiString = sClientApiString;
 
         mExtensionString = gBuiltinExtensionString;
+
+        bool wideColorBoardConfig =
+                getBool<ISurfaceFlingerConfigs, &ISurfaceFlingerConfigs::hasWideColorDisplay>(
+                        false);
+
+        // Add wide-color extensions if device can support wide-color
+        if (wideColorBoardConfig) {
+            mExtensionString.append(
+                    "EGL_EXT_gl_colorspace_scrgb EGL_EXT_gl_colorspace_scrgb_linear "
+                    "EGL_EXT_gl_colorspace_display_p3_linear EGL_EXT_gl_colorspace_display_p3 ");
+        }
+
         char const* start = gExtensionString;
         do {
             // length of the extension name
diff --git a/opengl/tests/Android.bp b/opengl/tests/Android.bp
index bf7aeb1..639f351 100644
--- a/opengl/tests/Android.bp
+++ b/opengl/tests/Android.bp
@@ -1,4 +1,19 @@
+
 subdirs = [
+    "angeles",
+    "configdump",
+    "EGLTest",
+    "fillrate",
+    "filter",
+    "finish",
+    "gl2_basic",
+    "gl2_copyTexImage",
+    "gl2_yuvtex",
+    "gl_basic",
+    "gl_perf",
+    "gl_yuvtex", // just renders magenta frame, broken?
+    "gralloc",
     "hwc",
     "lib",
 ]
+
diff --git a/opengl/tests/Android.mk b/opengl/tests/Android.mk
index 92d223c..134854a 100644
--- a/opengl/tests/Android.mk
+++ b/opengl/tests/Android.mk
@@ -1,19 +1,4 @@
 dirs := \
-	angeles \
-	configdump \
-	EGLTest \
-	fillrate \
-	filter \
-	finish \
-	gl2_basic \
-	gl2_copyTexImage \
-	gl2_yuvtex \
-	gl_basic \
-	gl_perf \
-	gl_yuvtex \
-	gralloc \
-	include \
-	lib \
 	linetex \
 	swapinterval \
 	textures \
diff --git a/opengl/tests/EGLTest/Android.bp b/opengl/tests/EGLTest/Android.bp
new file mode 100644
index 0000000..d85af81
--- /dev/null
+++ b/opengl/tests/EGLTest/Android.bp
@@ -0,0 +1,31 @@
+
+cc_test {
+
+    name: "EGL_test",
+
+    srcs: [
+        "egl_cache_test.cpp",
+        "EGL_test.cpp",
+    ],
+
+    shared_libs: [
+        "android.hardware.configstore@1.0",
+        "android.hardware.configstore-utils",
+        "libEGL",
+        "libbase",
+        "libcutils",
+        "libbinder",
+        "libgui",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+    ],
+
+    include_dirs: [
+        "bionic/libc/private",
+        "frameworks/native/opengl/libs",
+        "frameworks/native/opengl/libs/EGL",
+    ],
+
+}
diff --git a/opengl/tests/EGLTest/Android.mk b/opengl/tests/EGLTest/Android.mk
deleted file mode 100644
index 5620496..0000000
--- a/opengl/tests/EGLTest/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 := EGL_test
-
-LOCAL_MODULE_TAGS := tests
-
-LOCAL_SRC_FILES := \
-    egl_cache_test.cpp \
-    EGL_test.cpp \
-
-LOCAL_SHARED_LIBRARIES := \
-	android.hardware.configstore@1.0 \
-	android.hardware.configstore-utils \
-	libEGL \
-	libcutils \
-	libbinder \
-	libhidlbase \
-	libhidltransport \
-	libutils \
-	libgui \
-	libbase \
-	liblog \
-
-LOCAL_C_INCLUDES := \
-    bionic/libc/private \
-    frameworks/native/opengl/libs \
-    frameworks/native/opengl/libs/EGL \
-
-# gold in binutils 2.22 will warn about the usage of mktemp
-LOCAL_LDFLAGS += -Wl,--no-fatal-warnings
-
-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/opengl/tests/EGLTest/EGL_test.cpp b/opengl/tests/EGLTest/EGL_test.cpp
index 62e6bd3..b67a053 100644
--- a/opengl/tests/EGLTest/EGL_test.cpp
+++ b/opengl/tests/EGLTest/EGL_test.cpp
@@ -200,6 +200,7 @@
 
     if (!hasWideColorDisplay) {
         // skip this test if device does not have wide-color display
+        std::cerr << "[          ] Device does not support wide-color, test skipped" << std::endl;
         return;
     }
 
@@ -285,6 +286,7 @@
 
     if (!hasWideColorDisplay) {
         // skip this test if device does not have wide-color display
+        std::cerr << "[          ] Device does not support wide-color, test skipped" << std::endl;
         return;
     }
 
@@ -370,6 +372,7 @@
 
     if (!hasWideColorDisplay) {
         // skip this test if device does not have wide-color display
+        std::cerr << "[          ] Device does not support wide-color, test skipped" << std::endl;
         return;
     }
 
@@ -431,9 +434,10 @@
     EXPECT_TRUE(eglDestroySurface(mEglDisplay, eglSurface));
 }
 
-TEST_F(EGLTest, EGL_KHR_no_config_context) {
+TEST_F(EGLTest, EGLNoConfigContext) {
     if (!hasWideColorDisplay) {
         // skip this test if device does not have wide-color display
+        std::cerr << "[          ] Device does not support wide-color, test skipped" << std::endl;
         return;
     }
 
@@ -471,6 +475,7 @@
 
     if (!hasWideColorDisplay) {
         // skip this test if device does not have wide-color display
+        std::cerr << "[          ] Device does not support wide-color, test skipped" << std::endl;
         return;
     }
 
diff --git a/opengl/tests/angeles/Android.bp b/opengl/tests/angeles/Android.bp
new file mode 100644
index 0000000..bbbc447
--- /dev/null
+++ b/opengl/tests/angeles/Android.bp
@@ -0,0 +1,22 @@
+// Copyright 2006 The Android Open Source Project
+
+cc_test {
+    name: "angeles",
+
+    srcs: [
+        "app-linux.cpp",
+        "demo.c",
+    ],
+
+    gtest: false,
+
+    shared_libs: [
+        "libEGL",
+        "libGLESv1_CM",
+        "libui",
+        "libgui",
+        "libutils",
+    ],
+
+    static_libs: ["libglTest"],
+}
diff --git a/opengl/tests/angeles/Android.mk b/opengl/tests/angeles/Android.mk
deleted file mode 100644
index c78224e..0000000
--- a/opengl/tests/angeles/Android.mk
+++ /dev/null
@@ -1,11 +0,0 @@
-# Copyright 2006 The Android Open Source Project
-
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES:= app-linux.cpp demo.c.arm
-LOCAL_SHARED_LIBRARIES := libEGL libGLESv1_CM libui libgui libutils
-LOCAL_STATIC_LIBRARIES += libglTest
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-LOCAL_MODULE:= angeles
-LOCAL_MODULE_TAGS := optional
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/angeles/demo.c b/opengl/tests/angeles/demo.c
index 39d871e..30c3202 100644
--- a/opengl/tests/angeles/demo.c
+++ b/opengl/tests/angeles/demo.c
@@ -462,7 +462,7 @@
 // Called from the app framework.
 void appInit()
 {
-    int a;
+    unsigned int a;
 
     glEnable(GL_NORMALIZE);
     glEnable(GL_DEPTH_TEST);
@@ -492,7 +492,7 @@
 // Called from the app framework.
 void appDeinit()
 {
-    int a;
+    unsigned int a;
     for (a = 0; a < SUPERSHAPE_COUNT; ++a)
         freeGLObject(sSuperShapeObjects[a]);
     freeGLObject(sGroundPlane);
diff --git a/opengl/tests/configdump/Android.bp b/opengl/tests/configdump/Android.bp
new file mode 100644
index 0000000..c46477c
--- /dev/null
+++ b/opengl/tests/configdump/Android.bp
@@ -0,0 +1,13 @@
+cc_test {
+    name: "test-opengl-configdump",
+
+    gtest: false,
+
+    srcs: ["configdump.cpp"],
+
+    shared_libs: [
+        "libcutils",
+        "libEGL",
+        "libGLESv1_CM",
+    ],
+}
diff --git a/opengl/tests/configdump/Android.mk b/opengl/tests/configdump/Android.mk
deleted file mode 100644
index 3f7c915..0000000
--- a/opengl/tests/configdump/Android.mk
+++ /dev/null
@@ -1,16 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	configdump.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-    libEGL \
-    libGLESv1_CM
-
-LOCAL_MODULE:= test-opengl-configdump
-
-LOCAL_MODULE_TAGS := optional
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/configdump/configdump.cpp b/opengl/tests/configdump/configdump.cpp
index c423105..a4bb879 100644
--- a/opengl/tests/configdump/configdump.cpp
+++ b/opengl/tests/configdump/configdump.cpp
@@ -78,7 +78,7 @@
 
     for (EGLint i=0 ; i<n ; i++) {
         printf("EGLConfig[%d]\n", i);
-        for (int attr = 0 ; attr<sizeof(attributes)/sizeof(Attribute) ; attr++) {
+        for (unsigned attr = 0 ; attr<sizeof(attributes)/sizeof(Attribute) ; attr++) {
             EGLint value;
             eglGetConfigAttrib(dpy, configs[i], attributes[attr].attribute, &value);
             printf("\t%-32s: %10d (0x%08x)\n", attributes[attr].name, value, value);
diff --git a/opengl/tests/fillrate/Android.bp b/opengl/tests/fillrate/Android.bp
new file mode 100644
index 0000000..543f1e3
--- /dev/null
+++ b/opengl/tests/fillrate/Android.bp
@@ -0,0 +1,18 @@
+cc_test {
+    name: "test-opengl-fillrate",
+
+    srcs: ["fillrate.cpp"],
+
+    gtest: false,
+
+    shared_libs: [
+        "libcutils",
+        "libutils",
+        "libEGL",
+        "libGLESv1_CM",
+        "libui",
+        "libgui",
+    ],
+
+    static_libs: ["libglTest"],
+}
diff --git a/opengl/tests/fillrate/Android.mk b/opengl/tests/fillrate/Android.mk
deleted file mode 100644
index 21ff52a..0000000
--- a/opengl/tests/fillrate/Android.mk
+++ /dev/null
@@ -1,23 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	fillrate.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-	libutils \
-    libEGL \
-    libGLESv1_CM \
-    libui \
-    libgui
-
-LOCAL_STATIC_LIBRARIES += libglTest
-
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-
-LOCAL_MODULE:= test-opengl-fillrate
-
-LOCAL_MODULE_TAGS := optional
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/fillrate/fillrate.cpp b/opengl/tests/fillrate/fillrate.cpp
index 2db63d7..a42f3f2 100644
--- a/opengl/tests/fillrate/fillrate.cpp
+++ b/opengl/tests/fillrate/fillrate.cpp
@@ -30,7 +30,7 @@
 
 using namespace android;
 
-int main(int argc, char** argv)
+int main(int /*argc*/, char** /*argv*/)
 {
     EGLint configAttribs[] = {
          EGL_DEPTH_SIZE, 0,
@@ -153,7 +153,7 @@
 
      for (int c=1, j=0 ; c<32 ; c++, j++) {
          nsecs_t t = times[j];
-         printf("%lld\t%d\t%f\n", t, c, (double(t)/c)/1000000.0);
+         printf("%ld\t%d\t%f\n", t, c, (double(t)/c)/1000000.0);
      }
 
 
diff --git a/opengl/tests/filter/Android.bp b/opengl/tests/filter/Android.bp
new file mode 100644
index 0000000..5f925c8
--- /dev/null
+++ b/opengl/tests/filter/Android.bp
@@ -0,0 +1,20 @@
+cc_test {
+    name: "test-opengl-filter",
+
+    srcs: ["filter.cpp"],
+
+    gtest: false,
+
+    shared_libs: [
+        "libcutils",
+        "libEGL",
+        "libGLESv1_CM",
+        "libui",
+        "libgui",
+        "libutils",
+    ],
+
+    static_libs: ["libglTest"],
+
+    cflags: ["-DGL_GLEXT_PROTOTYPES"],
+}
diff --git a/opengl/tests/filter/Android.mk b/opengl/tests/filter/Android.mk
deleted file mode 100644
index 4cf9c96..0000000
--- a/opengl/tests/filter/Android.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	filter.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-    libEGL \
-    libGLESv1_CM \
-    libui \
-    libgui \
-    libutils
-
-LOCAL_STATIC_LIBRARIES += libglTest
-
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-
-LOCAL_MODULE:= test-opengl-filter
-
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/finish/Android.bp b/opengl/tests/finish/Android.bp
new file mode 100644
index 0000000..fb5671d
--- /dev/null
+++ b/opengl/tests/finish/Android.bp
@@ -0,0 +1,20 @@
+cc_test {
+    name: "test-opengl-finish",
+
+    srcs: ["finish.cpp"],
+
+    gtest: false,
+
+    shared_libs: [
+        "libcutils",
+        "libutils",
+        "libEGL",
+        "libGLESv1_CM",
+        "libui",
+        "libgui",
+    ],
+
+    static_libs: ["libglTest"],
+
+    cflags: ["-DGL_GLEXT_PROTOTYPES"],
+}
diff --git a/opengl/tests/finish/Android.mk b/opengl/tests/finish/Android.mk
deleted file mode 100644
index 0b9b7ea..0000000
--- a/opengl/tests/finish/Android.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	finish.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-	libutils \
-    libEGL \
-    libGLESv1_CM \
-    libui \
-    libgui
-
-LOCAL_STATIC_LIBRARIES += libglTest
-
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-
-LOCAL_MODULE:= test-opengl-finish
-
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/finish/finish.cpp b/opengl/tests/finish/finish.cpp
index ea3a60f..ab955fe 100644
--- a/opengl/tests/finish/finish.cpp
+++ b/opengl/tests/finish/finish.cpp
@@ -31,7 +31,7 @@
 
 using namespace android;
 
-int main(int argc, char** argv)
+int main(int /*argc*/, char** /*argv*/)
 {
     EGLint configAttribs[] = {
          EGL_DEPTH_SIZE, 0,
diff --git a/opengl/tests/gl2_basic/Android.bp b/opengl/tests/gl2_basic/Android.bp
new file mode 100644
index 0000000..7403271
--- /dev/null
+++ b/opengl/tests/gl2_basic/Android.bp
@@ -0,0 +1,20 @@
+cc_test {
+    name: "test-opengl-gl2_basic",
+
+    srcs: ["gl2_basic.cpp"],
+
+    gtest: false,
+
+    shared_libs: [
+        "libcutils",
+        "libEGL",
+        "libGLESv2",
+        "libui",
+        "libgui",
+        "libutils",
+    ],
+
+    static_libs: ["libglTest"],
+
+    cflags: ["-DGL_GLEXT_PROTOTYPES"],
+}
diff --git a/opengl/tests/gl2_basic/Android.mk b/opengl/tests/gl2_basic/Android.mk
deleted file mode 100644
index 520395c..0000000
--- a/opengl/tests/gl2_basic/Android.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	gl2_basic.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-    libEGL \
-    libGLESv2 \
-    libui \
-    libgui \
-    libutils
-
-LOCAL_STATIC_LIBRARIES += libglTest
-
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-
-LOCAL_MODULE:= test-opengl-gl2_basic
-
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gl2_copyTexImage/Android.bp b/opengl/tests/gl2_copyTexImage/Android.bp
new file mode 100644
index 0000000..51e269c
--- /dev/null
+++ b/opengl/tests/gl2_copyTexImage/Android.bp
@@ -0,0 +1,20 @@
+cc_test {
+    name: "test-opengl-gl2_copyTexImage",
+
+    srcs: ["gl2_copyTexImage.cpp"],
+
+    gtest: false,
+
+    shared_libs: [
+        "libcutils",
+        "libEGL",
+        "libGLESv2",
+        "libui",
+        "libgui",
+        "libutils",
+    ],
+
+    static_libs: ["libglTest"],
+
+    cflags: ["-DGL_GLEXT_PROTOTYPES"],
+}
diff --git a/opengl/tests/gl2_copyTexImage/Android.mk b/opengl/tests/gl2_copyTexImage/Android.mk
deleted file mode 100644
index ff43558..0000000
--- a/opengl/tests/gl2_copyTexImage/Android.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	gl2_copyTexImage.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-    libEGL \
-    libGLESv2 \
-    libui \
-    libgui \
-    libutils
-
-LOCAL_STATIC_LIBRARIES += libglTest
-
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-
-LOCAL_MODULE:= test-opengl-gl2_copyTexImage
-
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gl2_copyTexImage/gl2_copyTexImage.cpp b/opengl/tests/gl2_copyTexImage/gl2_copyTexImage.cpp
index 405a3f0..e0aafa2 100644
--- a/opengl/tests/gl2_copyTexImage/gl2_copyTexImage.cpp
+++ b/opengl/tests/gl2_copyTexImage/gl2_copyTexImage.cpp
@@ -362,7 +362,7 @@
     return true;
 }
 
-int main(int argc, char** argv) {
+int main(int /*argc*/, char** /*argv*/) {
     EGLBoolean returnValue;
     EGLConfig myConfig = {0};
 
diff --git a/opengl/tests/gl2_jni/jni/gl_code.cpp b/opengl/tests/gl2_jni/jni/gl_code.cpp
index c4180d4..5af4f6b 100644
--- a/opengl/tests/gl2_jni/jni/gl_code.cpp
+++ b/opengl/tests/gl2_jni/jni/gl_code.cpp
@@ -153,12 +153,12 @@
     JNIEXPORT void JNICALL Java_com_android_gl2jni_GL2JNILib_step(JNIEnv * env, jobject obj);
 };
 
-JNIEXPORT void JNICALL Java_com_android_gl2jni_GL2JNILib_init(JNIEnv * env, jobject obj,  jint width, jint height)
+JNIEXPORT void JNICALL Java_com_android_gl2jni_GL2JNILib_init(JNIEnv * /*env*/, jobject /*obj*/,  jint width, jint height)
 {
     setupGraphics(width, height);
 }
 
-JNIEXPORT void JNICALL Java_com_android_gl2jni_GL2JNILib_step(JNIEnv * env, jobject obj)
+JNIEXPORT void JNICALL Java_com_android_gl2jni_GL2JNILib_step(JNIEnv * /*env*/, jobject /*obj*/)
 {
     renderFrame();
 }
diff --git a/opengl/tests/gl2_yuvtex/Android.bp b/opengl/tests/gl2_yuvtex/Android.bp
new file mode 100644
index 0000000..613d678
--- /dev/null
+++ b/opengl/tests/gl2_yuvtex/Android.bp
@@ -0,0 +1,24 @@
+cc_test {
+    name: "test-opengl-gl2_yuvtex",
+
+    srcs: ["gl2_yuvtex.cpp"],
+
+    shared_libs: [
+        "libcutils",
+        "libEGL",
+        "libGLESv2",
+        "libutils",
+        "libui",
+        "libgui",
+        "libutils",
+    ],
+
+    gtest: false,
+
+    static_libs: ["libglTest"],
+
+    cflags: [
+        "-DGL_GLEXT_PROTOTYPES",
+        "-DEGL_EGLEXT_PROTOTYPES",
+    ],
+}
diff --git a/opengl/tests/gl2_yuvtex/Android.mk b/opengl/tests/gl2_yuvtex/Android.mk
deleted file mode 100644
index 42cf771..0000000
--- a/opengl/tests/gl2_yuvtex/Android.mk
+++ /dev/null
@@ -1,26 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	gl2_yuvtex.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libEGL \
-    libGLESv2 \
-    libutils \
-    libui \
-    libgui \
-    libutils
-
-LOCAL_STATIC_LIBRARIES += libglTest
-
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-
-LOCAL_MODULE:= test-opengl-gl2_yuvtex
-
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gl_basic/Android.bp b/opengl/tests/gl_basic/Android.bp
new file mode 100644
index 0000000..881d8ce
--- /dev/null
+++ b/opengl/tests/gl_basic/Android.bp
@@ -0,0 +1,18 @@
+cc_test {
+    name: "test-opengl-gl_basic",
+
+    srcs: ["gl_basic.cpp"],
+
+    gtest: false,
+
+    shared_libs: [
+        "libcutils",
+        "libEGL",
+        "libGLESv1_CM",
+        "libui",
+        "libgui",
+        "libutils",
+    ],
+
+    static_libs: ["libglTest"],
+}
diff --git a/opengl/tests/gl_basic/Android.mk b/opengl/tests/gl_basic/Android.mk
deleted file mode 100644
index 7f2259e..0000000
--- a/opengl/tests/gl_basic/Android.mk
+++ /dev/null
@@ -1,23 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	gl_basic.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libcutils \
-    libEGL \
-    libGLESv1_CM \
-    libui \
-    libgui \
-    libutils
-
-LOCAL_STATIC_LIBRARIES += libglTest
-
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-
-LOCAL_MODULE:= test-opengl-gl_basic
-
-LOCAL_MODULE_TAGS := optional
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gl_basic/gl_basic.cpp b/opengl/tests/gl_basic/gl_basic.cpp
index e50d88f..0b663f7 100644
--- a/opengl/tests/gl_basic/gl_basic.cpp
+++ b/opengl/tests/gl_basic/gl_basic.cpp
@@ -189,7 +189,7 @@
     return true;
 }
 
-int main(int argc, char **argv)
+int main(int /*argc*/, char **/*argv*/)
 {
     int q;
     int start, end;
diff --git a/opengl/tests/gl_jni/jni/gl_code.cpp b/opengl/tests/gl_jni/jni/gl_code.cpp
index 48944e0..3aa8adb 100644
--- a/opengl/tests/gl_jni/jni/gl_code.cpp
+++ b/opengl/tests/gl_jni/jni/gl_code.cpp
@@ -140,13 +140,13 @@
     JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_changeBackground(JNIEnv * env, jobject obj);
 };
 
-JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_init(JNIEnv * env, jobject obj,  jint width, jint height)
+JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_init(JNIEnv * /*env*/, jobject /*obj*/,  jint width, jint height)
 {
     init_scene(width, height);
     create_texture();
 }
 
-JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_step(JNIEnv * env, jobject obj)
+JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_step(JNIEnv * /*env*/, jobject /*obj*/)
 {
     const GLfloat vertices[] = {
             -1,  -1,  0,
@@ -177,7 +177,7 @@
     glDrawElements(GL_TRIANGLES, nelem, GL_UNSIGNED_SHORT, quadIndices);
 }
 
-JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_changeBackground(JNIEnv * env, jobject obj)
+JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_changeBackground(JNIEnv * /*env*/, jobject /*obj*/)
 {
     background = 1.0f - background;
 }
diff --git a/opengl/tests/gl_perf/Android.bp b/opengl/tests/gl_perf/Android.bp
new file mode 100644
index 0000000..0ffb121
--- /dev/null
+++ b/opengl/tests/gl_perf/Android.bp
@@ -0,0 +1,24 @@
+cc_test {
+    name: "test-opengl-gl2_perf",
+
+    srcs: [
+        "gl2_perf.cpp",
+        "filltest.cpp",
+    ],
+
+    gtest: false,
+
+    shared_libs: [
+        "libcutils",
+        "liblog",
+        "libEGL",
+        "libGLESv2",
+        "libui",
+        "libgui",
+        "libutils",
+    ],
+
+    static_libs: ["libglTest"],
+
+    cflags: ["-DGL_GLEXT_PROTOTYPES"],
+}
diff --git a/opengl/tests/gl_perf/Android.mk b/opengl/tests/gl_perf/Android.mk
deleted file mode 100644
index 9a93fab..0000000
--- a/opengl/tests/gl_perf/Android.mk
+++ /dev/null
@@ -1,27 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	gl2_perf.cpp \
-	filltest.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    liblog \
-    libEGL \
-    libGLESv2 \
-    libui \
-    libgui \
-    libutils
-
-LOCAL_STATIC_LIBRARIES += libglTest
-
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-
-LOCAL_MODULE:= test-opengl-gl2_perf
-
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gl_perf/gl2_perf.cpp b/opengl/tests/gl_perf/gl2_perf.cpp
index 35df84f..2998864 100644
--- a/opengl/tests/gl_perf/gl2_perf.cpp
+++ b/opengl/tests/gl_perf/gl2_perf.cpp
@@ -56,7 +56,7 @@
 static EGLDisplay dpy;
 static EGLSurface surface;
 
-int main(int argc, char** argv) {
+int main(int /*argc*/, char** /*argv*/) {
     EGLBoolean returnValue;
     EGLConfig myConfig = {0};
 
diff --git a/opengl/tests/gl_perfapp/jni/gl_code.cpp b/opengl/tests/gl_perfapp/jni/gl_code.cpp
index 946ee07..0cb594a 100644
--- a/opengl/tests/gl_perfapp/jni/gl_code.cpp
+++ b/opengl/tests/gl_perfapp/jni/gl_code.cpp
@@ -61,7 +61,7 @@
     JNIEXPORT void JNICALL Java_com_android_glperf_GLPerfLib_step(JNIEnv * env, jobject obj);
 };
 
-JNIEXPORT void JNICALL Java_com_android_glperf_GLPerfLib_init(JNIEnv * env, jobject obj,  jint width, jint height)
+JNIEXPORT void JNICALL Java_com_android_glperf_GLPerfLib_init(JNIEnv * /*env*/, jobject /*obj*/,  jint width, jint height)
 {
     gWidth = width;
     gHeight = height;
@@ -87,7 +87,7 @@
     }
 }
 
-JNIEXPORT void JNICALL Java_com_android_glperf_GLPerfLib_step(JNIEnv * env, jobject obj)
+JNIEXPORT void JNICALL Java_com_android_glperf_GLPerfLib_step(JNIEnv * /*env*/, jobject /*obj*/)
 {
     if (! done) {
         if (stateClock > 0 && ((stateClock & 1) == 0)) {
diff --git a/opengl/tests/gl_yuvtex/Android.bp b/opengl/tests/gl_yuvtex/Android.bp
new file mode 100644
index 0000000..b6be327
--- /dev/null
+++ b/opengl/tests/gl_yuvtex/Android.bp
@@ -0,0 +1,23 @@
+cc_test {
+    name: "test-opengl-gl_yuvtex",
+
+    srcs: ["gl_yuvtex.cpp"],
+
+    shared_libs: [
+        "libcutils",
+        "libEGL",
+        "libGLESv1_CM",
+        "libutils",
+        "libui",
+        "libgui",
+    ],
+
+    gtest: false,
+
+    static_libs: ["libglTest"],
+
+    cflags: [
+        "-DGL_GLEXT_PROTOTYPES",
+        "-DEGL_EGLEXT_PROTOTYPES",
+    ],
+}
diff --git a/opengl/tests/gl_yuvtex/Android.mk b/opengl/tests/gl_yuvtex/Android.mk
deleted file mode 100644
index 7f2020a..0000000
--- a/opengl/tests/gl_yuvtex/Android.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-	gl_yuvtex.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libEGL \
-    libGLESv1_CM \
-    libutils \
-    libui \
-    libgui
-
-LOCAL_STATIC_LIBRARIES += libglTest
-
-LOCAL_C_INCLUDES += $(call include-path-for, opengl-tests-includes)
-
-LOCAL_MODULE:= test-opengl-gl_yuvtex
-
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gl_yuvtex/gl_yuvtex.cpp b/opengl/tests/gl_yuvtex/gl_yuvtex.cpp
index fad26a6..7ef3f4e 100644
--- a/opengl/tests/gl_yuvtex/gl_yuvtex.cpp
+++ b/opengl/tests/gl_yuvtex/gl_yuvtex.cpp
@@ -90,7 +90,7 @@
 static sp<GraphicBuffer> yuvTexBuffer;
 static GLuint yuvTex;
 
-bool setupYuvTexSurface(EGLDisplay dpy, EGLContext context) {
+static bool setupYuvTexSurface(EGLDisplay dpy) {
     int blockWidth = yuvTexWidth > 16 ? yuvTexWidth / 16 : 1;
     int blockHeight = yuvTexHeight > 16 ? yuvTexHeight / 16 : 1;
     yuvTexBuffer = new GraphicBuffer(yuvTexWidth, yuvTexHeight, yuvTexFormat,
@@ -298,7 +298,7 @@
     printGLString("Renderer", GL_RENDERER);
     printGLString("Extensions", GL_EXTENSIONS);
 
-    if(!setupYuvTexSurface(dpy, context)) {
+    if(!setupYuvTexSurface(dpy)) {
         fprintf(stderr, "Could not set up texture surface.\n");
         return 1;
     }
diff --git a/opengl/tests/gldual/jni/gl_code.cpp b/opengl/tests/gldual/jni/gl_code.cpp
index 3b11400..90d150b 100644
--- a/opengl/tests/gldual/jni/gl_code.cpp
+++ b/opengl/tests/gldual/jni/gl_code.cpp
@@ -153,12 +153,12 @@
     JNIEXPORT void JNICALL Java_com_android_gldual_GLDualLib_step(JNIEnv * env, jobject obj);
 };
 
-JNIEXPORT void JNICALL Java_com_android_gldual_GLDualLib_init(JNIEnv * env, jobject obj, jint width, jint height)
+JNIEXPORT void JNICALL Java_com_android_gldual_GLDualLib_init(JNIEnv * /*env*/, jobject /*obj*/, jint width, jint height)
 {
     setupGraphics(width, height);
 }
 
-JNIEXPORT void JNICALL Java_com_android_gldual_GLDualLib_step(JNIEnv * env, jobject obj)
+JNIEXPORT void JNICALL Java_com_android_gldual_GLDualLib_step(JNIEnv * /*env*/, jobject /*obj*/)
 {
     renderFrame();
 }
diff --git a/opengl/tests/gralloc/Android.bp b/opengl/tests/gralloc/Android.bp
new file mode 100644
index 0000000..414c804
--- /dev/null
+++ b/opengl/tests/gralloc/Android.bp
@@ -0,0 +1,13 @@
+cc_test {
+    name: "test-opengl-gralloc",
+
+    srcs: ["gralloc.cpp"],
+
+    gtest: false,
+
+    shared_libs: [
+        "libcutils",
+        "libutils",
+        "libui",
+    ],
+}
diff --git a/opengl/tests/gralloc/Android.mk b/opengl/tests/gralloc/Android.mk
deleted file mode 100644
index d43c39a..0000000
--- a/opengl/tests/gralloc/Android.mk
+++ /dev/null
@@ -1,16 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
-    gralloc.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libutils \
-    libui
-
-LOCAL_MODULE:= test-opengl-gralloc
-
-LOCAL_MODULE_TAGS := optional
-
-include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gralloc/gralloc.cpp b/opengl/tests/gralloc/gralloc.cpp
index 8987040..29e0882 100644
--- a/opengl/tests/gralloc/gralloc.cpp
+++ b/opengl/tests/gralloc/gralloc.cpp
@@ -37,7 +37,7 @@
     return d;
 }
 
-int main(int argc, char** argv)
+int main(int /*argc*/, char** /*argv*/)
 {
     size_t size = 128*256*4;
     void* temp = malloc(size);
diff --git a/opengl/tests/hwc/Android.bp b/opengl/tests/hwc/Android.bp
index 425f374..55f058f 100644
--- a/opengl/tests/hwc/Android.bp
+++ b/opengl/tests/hwc/Android.bp
@@ -55,6 +55,8 @@
         "libnativewindow"
     ],
 
+    gtest: false,
+
     static_libs: [
         "libglTest",
         "libhwcTest",
diff --git a/opengl/tests/linetex/linetex.cpp b/opengl/tests/linetex/linetex.cpp
index 5ad695b..cdc051b 100644
--- a/opengl/tests/linetex/linetex.cpp
+++ b/opengl/tests/linetex/linetex.cpp
@@ -29,7 +29,7 @@
 
 using namespace android;
 
-int main(int argc, char** argv)
+int main(int /*argc*/, char** /*argv*/)
 {
     EGLint configAttribs[] = {
          EGL_DEPTH_SIZE, 0,
diff --git a/opengl/tests/swapinterval/swapinterval.cpp b/opengl/tests/swapinterval/swapinterval.cpp
index 3a8a8a1..c4261e6 100644
--- a/opengl/tests/swapinterval/swapinterval.cpp
+++ b/opengl/tests/swapinterval/swapinterval.cpp
@@ -28,7 +28,7 @@
 
 using namespace android;
 
-int main(int argc, char** argv)
+int main(int /*argc*/, char** /*argv*/)
 {
     EGLint configAttribs[] = {
             EGL_SURFACE_TYPE,   EGL_WINDOW_BIT,
diff --git a/opengl/tests/textures/textures.cpp b/opengl/tests/textures/textures.cpp
index 1e55db0..7be942a 100644
--- a/opengl/tests/textures/textures.cpp
+++ b/opengl/tests/textures/textures.cpp
@@ -27,7 +27,7 @@
 
 using namespace android;
 
-int main(int argc, char** argv)
+int main(int /*argc*/, char** /*argv*/)
 {
     EGLint configAttribs[] = {
          EGL_DEPTH_SIZE, 0,
diff --git a/services/batteryservice/Android.bp b/services/batteryservice/Android.bp
index e441bda..4c7265b 100644
--- a/services/batteryservice/Android.bp
+++ b/services/batteryservice/Android.bp
@@ -1,3 +1,11 @@
+cc_library_headers {
+    name: "libbatteryservice_headers",
+    vendor_available: true,
+    export_include_dirs: ["include"],
+    header_libs: ["libbinder_headers"],
+    export_header_lib_headers: ["libbinder_headers"],
+}
+
 cc_library {
     name: "libbatteryservice",
 
@@ -8,6 +16,9 @@
         "IBatteryPropertiesRegistrar.cpp",
     ],
 
+    header_libs: ["libbatteryservice_headers"],
+    export_header_lib_headers: ["libbatteryservice_headers"],
+
     shared_libs: [
         "libutils",
         "libbinder",
@@ -19,4 +30,4 @@
         "-Wunused",
         "-Wunreachable-code",
     ],
-}
\ No newline at end of file
+}
diff --git a/include/batteryservice/BatteryService.h b/services/batteryservice/include/batteryservice/BatteryService.h
similarity index 100%
rename from include/batteryservice/BatteryService.h
rename to services/batteryservice/include/batteryservice/BatteryService.h
diff --git a/include/batteryservice/BatteryServiceConstants.h b/services/batteryservice/include/batteryservice/BatteryServiceConstants.h
similarity index 100%
rename from include/batteryservice/BatteryServiceConstants.h
rename to services/batteryservice/include/batteryservice/BatteryServiceConstants.h
diff --git a/include/batteryservice/IBatteryPropertiesListener.h b/services/batteryservice/include/batteryservice/IBatteryPropertiesListener.h
similarity index 100%
rename from include/batteryservice/IBatteryPropertiesListener.h
rename to services/batteryservice/include/batteryservice/IBatteryPropertiesListener.h
diff --git a/include/batteryservice/IBatteryPropertiesRegistrar.h b/services/batteryservice/include/batteryservice/IBatteryPropertiesRegistrar.h
similarity index 100%
rename from include/batteryservice/IBatteryPropertiesRegistrar.h
rename to services/batteryservice/include/batteryservice/IBatteryPropertiesRegistrar.h
diff --git a/services/inputflinger/InputReader.cpp b/services/inputflinger/InputReader.cpp
index 97565aa..27009d0 100644
--- a/services/inputflinger/InputReader.cpp
+++ b/services/inputflinger/InputReader.cpp
@@ -147,7 +147,33 @@
 static const size_t keyCodeRotationMapSize =
         sizeof(keyCodeRotationMap) / sizeof(keyCodeRotationMap[0]);
 
+static int32_t rotateStemKey(int32_t value, int32_t orientation,
+        const int32_t map[][2], size_t mapSize) {
+    if (orientation == DISPLAY_ORIENTATION_180) {
+        for (size_t i = 0; i < mapSize; i++) {
+            if (value == map[i][0]) {
+                return map[i][1];
+            }
+        }
+    }
+    return value;
+}
+
+// The mapping can be defined using input device configuration properties keyboard.rotated.stem_X
+static int32_t stemKeyRotationMap[][2] = {
+        // key codes enumerated with the original (unrotated) key first
+        // no rotation,           180 degree rotation
+        { AKEYCODE_STEM_PRIMARY, AKEYCODE_STEM_PRIMARY },
+        { AKEYCODE_STEM_1,       AKEYCODE_STEM_1 },
+        { AKEYCODE_STEM_2,       AKEYCODE_STEM_2 },
+        { AKEYCODE_STEM_3,       AKEYCODE_STEM_3 },
+};
+static const size_t stemKeyRotationMapSize =
+        sizeof(stemKeyRotationMap) / sizeof(stemKeyRotationMap[0]);
+
 static int32_t rotateKeyCode(int32_t keyCode, int32_t orientation) {
+    keyCode = rotateStemKey(keyCode, orientation,
+            stemKeyRotationMap, stemKeyRotationMapSize);
     return rotateValueUsingRotationMap(keyCode, orientation,
             keyCodeRotationMap, keyCodeRotationMapSize);
 }
@@ -2260,18 +2286,36 @@
     }
 }
 
+static void mapStemKey(int32_t keyCode, const PropertyMap& config, char const *property) {
+    int32_t mapped = 0;
+    if (config.tryGetProperty(String8(property), mapped) && mapped > 0) {
+        for (size_t i = 0; i < stemKeyRotationMapSize; i++) {
+            if (stemKeyRotationMap[i][0] == keyCode) {
+                stemKeyRotationMap[i][1] = mapped;
+                return;
+            }
+        }
+    }
+}
+
 void KeyboardInputMapper::configureParameters() {
     mParameters.orientationAware = false;
-    getDevice()->getConfiguration().tryGetProperty(String8("keyboard.orientationAware"),
+    const PropertyMap& config = getDevice()->getConfiguration();
+    config.tryGetProperty(String8("keyboard.orientationAware"),
             mParameters.orientationAware);
 
     mParameters.hasAssociatedDisplay = false;
     if (mParameters.orientationAware) {
         mParameters.hasAssociatedDisplay = true;
+
+        mapStemKey(AKEYCODE_STEM_PRIMARY, config, "keyboard.rotated.stem_primary");
+        mapStemKey(AKEYCODE_STEM_1, config, "keyboard.rotated.stem_1");
+        mapStemKey(AKEYCODE_STEM_2, config, "keyboard.rotated.stem_2");
+        mapStemKey(AKEYCODE_STEM_3, config, "keyboard.rotated.stem_3");
     }
 
     mParameters.handlesKeyRepeat = false;
-    getDevice()->getConfiguration().tryGetProperty(String8("keyboard.handlesKeyRepeat"),
+    config.tryGetProperty(String8("keyboard.handlesKeyRepeat"),
             mParameters.handlesKeyRepeat);
 }
 
@@ -2897,7 +2941,7 @@
 // --- RotaryEncoderInputMapper ---
 
 RotaryEncoderInputMapper::RotaryEncoderInputMapper(InputDevice* device) :
-        InputMapper(device) {
+        InputMapper(device), mOrientation(DISPLAY_ORIENTATION_0) {
     mSource = AINPUT_SOURCE_ROTARY_ENCODER;
 }
 
@@ -2939,6 +2983,14 @@
     if (!changes) {
         mRotaryEncoderScrollAccumulator.configure(getDevice());
     }
+    if (!changes || (InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
+        DisplayViewport v;
+        if (config->getDisplayViewport(ViewportType::VIEWPORT_INTERNAL, NULL, &v)) {
+            mOrientation = v.orientation;
+        } else {
+            mOrientation = DISPLAY_ORIENTATION_0;
+        }
+    }
 }
 
 void RotaryEncoderInputMapper::reset(nsecs_t when) {
@@ -2976,6 +3028,10 @@
         policyFlags |= POLICY_FLAG_WAKE;
     }
 
+    if (mOrientation == DISPLAY_ORIENTATION_180) {
+        scroll = -scroll;
+    }
+
     // Send motion event.
     if (scrolled) {
         int32_t metaState = mContext->getGlobalMetaState();
diff --git a/services/inputflinger/InputReader.h b/services/inputflinger/InputReader.h
index 157fa4f..803dcc9 100644
--- a/services/inputflinger/InputReader.h
+++ b/services/inputflinger/InputReader.h
@@ -1226,6 +1226,7 @@
 
     int32_t mSource;
     float mScalingFactor;
+    int32_t mOrientation;
 
     void sync(nsecs_t when);
 };
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index 62c2756..dc491d9 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -933,8 +933,14 @@
     }
 
     uid_t uid = IPCThreadState::self()->getCallingUid();
-    sp<SensorEventConnection> result(new SensorEventConnection(this, uid, packageName,
-            requestedMode == DATA_INJECTION, opPackageName));
+    pid_t pid = IPCThreadState::self()->getCallingPid();
+
+    String8 connPackageName =
+            (packageName == "") ? String8::format("unknown_package_pid_%d", pid) : packageName;
+    String16 connOpPackageName =
+            (opPackageName == String16("")) ? String16(connPackageName) : opPackageName;
+    sp<SensorEventConnection> result(new SensorEventConnection(this, uid, connPackageName,
+            requestedMode == DATA_INJECTION, connOpPackageName));
     if (requestedMode == DATA_INJECTION) {
         if (mActiveConnections.indexOf(result) < 0) {
             mActiveConnections.add(result);
diff --git a/services/sensorservice/hidl/Android.bp b/services/sensorservice/hidl/Android.bp
index 8bbc4c5..02c13fa 100644
--- a/services/sensorservice/hidl/Android.bp
+++ b/services/sensorservice/hidl/Android.bp
@@ -14,6 +14,7 @@
         "libbase",
         "libhidlbase",
         "libhidltransport",
+        "libhwbinder",
         "libutils",
         "libsensor",
         "android.frameworks.sensorservice@1.0",
diff --git a/services/sensorservice/hidl/SensorManager.cpp b/services/sensorservice/hidl/SensorManager.cpp
index cf5ab05..fee6da1 100644
--- a/services/sensorservice/hidl/SensorManager.cpp
+++ b/services/sensorservice/hidl/SensorManager.cpp
@@ -29,6 +29,9 @@
 #include "DirectReportChannel.h"
 #include "utils.h"
 
+#include <hwbinder/IPCThreadState.h>
+#include <utils/String8.h>
+
 namespace android {
 namespace frameworks {
 namespace sensorservice {
@@ -212,7 +215,9 @@
         return Void();
     }
 
-    sp<::android::SensorEventQueue> internalQueue = getInternalManager().createEventQueue();
+    String8 package(String8::format("hidl_client_pid_%d",
+                                    android::hardware::IPCThreadState::self()->getCallingPid()));
+    sp<::android::SensorEventQueue> internalQueue = getInternalManager().createEventQueue(package);
     if (internalQueue == nullptr) {
         LOG(WARNING) << "::android::SensorManager::createEventQueue returns nullptr.";
         _hidl_cb(nullptr, Result::UNKNOWN_ERROR);
diff --git a/services/surfaceflinger/DispSync.cpp b/services/surfaceflinger/DispSync.cpp
index bd9b8aa..bef12ea 100644
--- a/services/surfaceflinger/DispSync.cpp
+++ b/services/surfaceflinger/DispSync.cpp
@@ -30,7 +30,7 @@
 #include <utils/Trace.h>
 #include <utils/Vector.h>
 
-#include <ui/Fence.h>
+#include <ui/FenceTime.h>
 
 #include "DispSync.h"
 #include "SurfaceFlinger.h"
@@ -377,11 +377,16 @@
 DispSync::DispSync(const char* name) :
         mName(name),
         mRefreshSkipCount(0),
-        mThread(new DispSyncThread(name)),
-        mIgnorePresentFences(!SurfaceFlinger::hasSyncFramework){
+        mThread(new DispSyncThread(name)) {
+}
 
-    mPresentTimeOffset = SurfaceFlinger::dispSyncPresentTimeOffset;
+DispSync::~DispSync() {}
+
+void DispSync::init(bool hasSyncFramework, int64_t dispSyncPresentTimeOffset) {
+    mIgnorePresentFences = !hasSyncFramework;
+    mPresentTimeOffset = dispSyncPresentTimeOffset;
     mThread->run("DispSync", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE);
+
     // set DispSync to SCHED_FIFO to minimize jitter
     struct sched_param param = {0};
     param.sched_priority = 2;
@@ -389,7 +394,6 @@
         ALOGE("Couldn't set SCHED_FIFO for DispSyncThread");
     }
 
-
     reset();
     beginResync();
 
@@ -405,8 +409,6 @@
     }
 }
 
-DispSync::~DispSync() {}
-
 void DispSync::reset() {
     Mutex::Autolock lock(mMutex);
 
@@ -419,25 +421,13 @@
     resetErrorLocked();
 }
 
-bool DispSync::addPresentFence(const sp<Fence>& fence) {
+bool DispSync::addPresentFence(const std::shared_ptr<FenceTime>& fenceTime) {
     Mutex::Autolock lock(mMutex);
 
-    mPresentFences[mPresentSampleOffset] = fence;
-    mPresentTimes[mPresentSampleOffset] = 0;
+    mPresentFences[mPresentSampleOffset] = fenceTime;
     mPresentSampleOffset = (mPresentSampleOffset + 1) % NUM_PRESENT_SAMPLES;
     mNumResyncSamplesSincePresent = 0;
 
-    for (size_t i = 0; i < NUM_PRESENT_SAMPLES; i++) {
-        const sp<Fence>& f(mPresentFences[i]);
-        if (f != NULL) {
-            nsecs_t t = f->getSignalTime();
-            if (t < INT64_MAX) {
-                mPresentFences[i].clear();
-                mPresentTimes[i] = t + mPresentTimeOffset;
-            }
-        }
-    }
-
     updateErrorLocked();
 
     return !mModelUpdated || mError > kErrorThreshold;
@@ -602,21 +592,39 @@
     nsecs_t sqErrSum = 0;
 
     for (size_t i = 0; i < NUM_PRESENT_SAMPLES; i++) {
-        nsecs_t sample = mPresentTimes[i] - mReferenceTime;
-        if (sample > mPhase) {
-            nsecs_t sampleErr = (sample - mPhase) % period;
-            if (sampleErr > period / 2) {
-                sampleErr -= period;
-            }
-            sqErrSum += sampleErr * sampleErr;
-            numErrSamples++;
+        // Only check for the cached value of signal time to avoid unecessary
+        // syscalls. It is the responsibility of the DispSync owner to
+        // call getSignalTime() periodically so the cache is updated when the
+        // fence signals.
+        nsecs_t time = mPresentFences[i]->getCachedSignalTime();
+        if (time == Fence::SIGNAL_TIME_PENDING ||
+                time == Fence::SIGNAL_TIME_INVALID) {
+            continue;
         }
+
+        nsecs_t sample = time - mReferenceTime;
+        if (sample <= mPhase) {
+            continue;
+        }
+
+        nsecs_t sampleErr = (sample - mPhase) % period;
+        if (sampleErr > period / 2) {
+            sampleErr -= period;
+        }
+        sqErrSum += sampleErr * sampleErr;
+        numErrSamples++;
     }
 
     if (numErrSamples > 0) {
         mError = sqErrSum / numErrSamples;
+        mZeroErrSamplesCount = 0;
     } else {
         mError = 0;
+        // Use mod ACCEPTABLE_ZERO_ERR_SAMPLES_COUNT to avoid log spam.
+        mZeroErrSamplesCount++;
+        ALOGE_IF(
+                (mZeroErrSamplesCount % ACCEPTABLE_ZERO_ERR_SAMPLES_COUNT) == 0,
+                "No present times for model error.");
     }
 
     if (kTraceDetailedInfo) {
@@ -627,9 +635,9 @@
 void DispSync::resetErrorLocked() {
     mPresentSampleOffset = 0;
     mError = 0;
+    mZeroErrSamplesCount = 0;
     for (size_t i = 0; i < NUM_PRESENT_SAMPLES; i++) {
-        mPresentFences[i].clear();
-        mPresentTimes[i] = 0;
+        mPresentFences[i] = FenceTime::NO_FENCE;
     }
 }
 
@@ -668,19 +676,19 @@
         previous = sampleTime;
     }
 
-    result.appendFormat("mPresentFences / mPresentTimes [%d]:\n",
+    result.appendFormat("mPresentFences [%d]:\n",
             NUM_PRESENT_SAMPLES);
     nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
-    previous = 0;
+    previous = Fence::SIGNAL_TIME_INVALID;
     for (size_t i = 0; i < NUM_PRESENT_SAMPLES; i++) {
         size_t idx = (i + mPresentSampleOffset) % NUM_PRESENT_SAMPLES;
-        bool signaled = mPresentFences[idx] == NULL;
-        nsecs_t presentTime = mPresentTimes[idx];
-        if (!signaled) {
+        nsecs_t presentTime = mPresentFences[idx]->getSignalTime();
+        if (presentTime == Fence::SIGNAL_TIME_PENDING) {
             result.appendFormat("  [unsignaled fence]\n");
-        } else if (presentTime == 0) {
-            result.appendFormat("  0\n");
-        } else if (previous == 0) {
+        } else if(presentTime == Fence::SIGNAL_TIME_INVALID) {
+            result.appendFormat("  [invalid fence]\n");
+        } else if (previous == Fence::SIGNAL_TIME_PENDING ||
+                previous == Fence::SIGNAL_TIME_INVALID) {
             result.appendFormat("  %" PRId64 "  (%.3f ms ago)\n", presentTime,
                     (now - presentTime) / 1000000.0);
         } else {
diff --git a/services/surfaceflinger/DispSync.h b/services/surfaceflinger/DispSync.h
index 82ae795..880a24d 100644
--- a/services/surfaceflinger/DispSync.h
+++ b/services/surfaceflinger/DispSync.h
@@ -23,10 +23,14 @@
 #include <utils/Timers.h>
 #include <utils/RefBase.h>
 
+#include <ui/FenceTime.h>
+
+#include <memory>
+
 namespace android {
 
 class String8;
-class Fence;
+class FenceTime;
 class DispSyncThread;
 
 // DispSync maintains a model of the periodic hardware-based vsync events of a
@@ -55,6 +59,8 @@
     explicit DispSync(const char* name);
     ~DispSync();
 
+    void init(bool hasSyncFramework, int64_t dispSyncPresentTimeOffset);
+
     // reset clears the resync samples and error value.
     void reset();
 
@@ -67,7 +73,7 @@
     //
     // This method should be called with the retire fence from each HWComposer
     // set call that affects the display.
-    bool addPresentFence(const sp<Fence>& fence);
+    bool addPresentFence(const std::shared_ptr<FenceTime>& fenceTime);
 
     // The beginResync, addResyncSample, and endResync methods are used to re-
     // synchronize the DispSync's model to the hardware vsync events.  The re-
@@ -129,6 +135,7 @@
     enum { MIN_RESYNC_SAMPLES_FOR_UPDATE = 6 };
     enum { NUM_PRESENT_SAMPLES = 8 };
     enum { MAX_RESYNC_SAMPLES_WITHOUT_PRESENT = 4 };
+    enum { ACCEPTABLE_ZERO_ERR_SAMPLES_COUNT = 64 };
 
     const char* const mName;
 
@@ -146,9 +153,14 @@
 
     // mError is the computed model error.  It is based on the difference
     // between the estimated vsync event times and those observed in the
-    // mPresentTimes array.
+    // mPresentFences array.
     nsecs_t mError;
 
+    // mZeroErrSamplesCount keeps track of how many times in a row there were
+    // zero timestamps available in the mPresentFences array.
+    // Used to sanity check that we are able to calculate the model error.
+    size_t mZeroErrSamplesCount;
+
     // Whether we have updated the vsync event model since the last resync.
     bool mModelUpdated;
 
@@ -162,8 +174,8 @@
 
     // These member variables store information about the present fences used
     // to validate the currently computed model.
-    sp<Fence> mPresentFences[NUM_PRESENT_SAMPLES];
-    nsecs_t mPresentTimes[NUM_PRESENT_SAMPLES];
+    std::shared_ptr<FenceTime>
+            mPresentFences[NUM_PRESENT_SAMPLES] {FenceTime::NO_FENCE};
     size_t mPresentSampleOffset;
 
     int mRefreshSkipCount;
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 1b864fd..b14fd7b 100755
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1309,7 +1309,8 @@
         // able to be latched. To avoid this, grab this buffer anyway.
         return true;
     }
-    return mQueueItems[0].mFence->getSignalTime() != INT64_MAX;
+    return mQueueItems[0].mFenceTime->getSignalTime() !=
+            Fence::SIGNAL_TIME_PENDING;
 #else
     return true;
 #endif
@@ -2011,9 +2012,6 @@
 bool Layer::onPostComposition(const std::shared_ptr<FenceTime>& glDoneFence,
         const std::shared_ptr<FenceTime>& presentFence,
         const CompositorTiming& compositorTiming) {
-    mAcquireTimeline.updateSignalTimes();
-    mReleaseTimeline.updateSignalTimes();
-
     // mFrameLatencyNeeded is true when a new frame was latched for the
     // composition.
     if (!mFrameLatencyNeeded)
@@ -2064,6 +2062,7 @@
 
     auto releaseFenceTime = std::make_shared<FenceTime>(
             mSurfaceFlingerConsumer->getPrevFinalReleaseFence());
+    mReleaseTimeline.updateSignalTimes();
     mReleaseTimeline.push(releaseFenceTime);
 
     Mutex::Autolock lock(mFrameEventHistoryMutex);
@@ -2254,6 +2253,7 @@
 #ifndef USE_HWC2
         auto releaseFenceTime = std::make_shared<FenceTime>(
                 mSurfaceFlingerConsumer->getPrevFinalReleaseFence());
+        mReleaseTimeline.updateSignalTimes();
         mReleaseTimeline.push(releaseFenceTime);
         if (mPreviousFrameNumber != 0) {
             mFrameEventHistory.addRelease(mPreviousFrameNumber,
@@ -2509,6 +2509,12 @@
         FrameEventHistoryDelta *outDelta) {
     Mutex::Autolock lock(mFrameEventHistoryMutex);
     if (newTimestamps) {
+        // If there are any unsignaled fences in the aquire timeline at this
+        // point, the previously queued frame hasn't been latched yet. Go ahead
+        // and try to get the signal time here so the syscall is taken out of
+        // the main thread's critical path.
+        mAcquireTimeline.updateSignalTimes();
+        // Push the new fence after updating since it's likely still pending.
         mAcquireTimeline.push(newTimestamps->acquireFence);
         mFrameEventHistory.addQueue(*newTimestamps);
     }
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 63f260a..bcc30f6 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -195,6 +195,8 @@
     hasWideColorDisplay =
             getBool<ISurfaceFlingerConfigs, &ISurfaceFlingerConfigs::hasWideColorDisplay>(false);
 
+    mPrimaryDispSync.init(hasSyncFramework, dispSyncPresentTimeOffset);
+
     // debugging stuff...
     char value[PROPERTY_VALUE_MAX];
 
@@ -1372,7 +1374,6 @@
                             Fence::SIGNAL_TIME_PENDING);
             ATRACE_INT("FrameMissed", static_cast<int>(frameMissed));
             if (mPropagateBackpressure && frameMissed) {
-                ALOGD("Backpressure trigger, skipping transaction & refresh!");
                 signalLayerUpdate();
                 break;
             }
@@ -1574,6 +1575,7 @@
     // |mStateLock| not needed as we are on the main thread
     const sp<const DisplayDevice> hw(getDefaultDisplayDeviceLocked());
 
+    mGlCompositionDoneTimeline.updateSignalTimes();
     std::shared_ptr<FenceTime> glCompositionDoneFenceTime;
     if (mHwc->hasClientComposition(HWC_DISPLAY_PRIMARY)) {
         glCompositionDoneFenceTime =
@@ -1582,12 +1584,11 @@
     } else {
         glCompositionDoneFenceTime = FenceTime::NO_FENCE;
     }
-    mGlCompositionDoneTimeline.updateSignalTimes();
 
+    mDisplayTimeline.updateSignalTimes();
     sp<Fence> presentFence = mHwc->getPresentFence(HWC_DISPLAY_PRIMARY);
     auto presentFenceTime = std::make_shared<FenceTime>(presentFence);
     mDisplayTimeline.push(presentFenceTime);
-    mDisplayTimeline.updateSignalTimes();
 
     nsecs_t vsyncPhase = mPrimaryDispSync.computeNextRefresh(0);
     nsecs_t vsyncInterval = mPrimaryDispSync.getPeriod();
@@ -1612,8 +1613,8 @@
         }
     });
 
-    if (presentFence->isValid()) {
-        if (mPrimaryDispSync.addPresentFence(presentFence)) {
+    if (presentFenceTime->isValid()) {
+        if (mPrimaryDispSync.addPresentFence(presentFenceTime)) {
             enableHardwareVsync();
         } else {
             disableHardwareVsync(false);
diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index 2b56928..213ab80 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -1257,6 +1257,7 @@
     const HWComposer& hwc = getHwComposer();
     const sp<const DisplayDevice> hw(getDefaultDisplayDevice());
 
+    mGlCompositionDoneTimeline.updateSignalTimes();
     std::shared_ptr<FenceTime> glCompositionDoneFenceTime;
     if (getHwComposer().hasGlesComposition(hw->getHwcDisplayId())) {
         glCompositionDoneFenceTime =
@@ -1265,12 +1266,11 @@
     } else {
         glCompositionDoneFenceTime = FenceTime::NO_FENCE;
     }
-    mGlCompositionDoneTimeline.updateSignalTimes();
 
+    mDisplayTimeline.updateSignalTimes();
     sp<Fence> retireFence = mHwc->getDisplayFence(HWC_DISPLAY_PRIMARY);
     auto retireFenceTime = std::make_shared<FenceTime>(retireFence);
     mDisplayTimeline.push(retireFenceTime);
-    mDisplayTimeline.updateSignalTimes();
 
     nsecs_t vsyncPhase = mPrimaryDispSync.computeNextRefresh(0);
     nsecs_t vsyncInterval = mPrimaryDispSync.getPeriod();
@@ -1298,7 +1298,7 @@
     });
 
     if (retireFence->isValid()) {
-        if (mPrimaryDispSync.addPresentFence(retireFence)) {
+        if (mPrimaryDispSync.addPresentFence(retireFenceTime)) {
             enableHardwareVsync();
         } else {
             disableHardwareVsync(false);
diff --git a/services/surfaceflinger/tests/SurfaceFlinger_test.filter b/services/surfaceflinger/tests/SurfaceFlinger_test.filter
index 915b5cd..6be708a 100644
--- a/services/surfaceflinger/tests/SurfaceFlinger_test.filter
+++ b/services/surfaceflinger/tests/SurfaceFlinger_test.filter
@@ -1,5 +1,5 @@
 {
         "presubmit": {
-            "filter": "LayerUpdateTest.*:ChildLayerTest.*:SurfaceFlingerStress.*" 
+            "filter": "LayerUpdateTest.*:ChildLayerTest.*:SurfaceFlingerStress.*:CropLatchingTest.*:GeometryLatchingTest.*"
         }
 }
\ No newline at end of file
diff --git a/services/surfaceflinger/tests/Transaction_test.cpp b/services/surfaceflinger/tests/Transaction_test.cpp
index b7792c7..4ce14f8 100644
--- a/services/surfaceflinger/tests/Transaction_test.cpp
+++ b/services/surfaceflinger/tests/Transaction_test.cpp
@@ -566,6 +566,15 @@
         sc->expectBGColor(127, 127);
         sc->expectBGColor(128, 128);
     }
+
+    void EXPECT_RESIZE_STATE(const char* trace) {
+        SCOPED_TRACE(trace);
+        ScreenCapture::captureScreen(&sc);
+        // The FG is now resized too 128,128 at 64,64
+        sc->expectFGColor(64, 64);
+        sc->expectFGColor(191, 191);
+        sc->expectBGColor(192, 192);
+    }
 };
 
 TEST_F(CropLatchingTest, CropLatching) {
@@ -666,15 +675,17 @@
     mFGSurfaceControl->setFinalCrop(Rect(64, 64, 127, 127));
     SurfaceComposerClient::closeGlobalTransaction(true);
 
+    EXPECT_INITIAL_STATE("after setting crops with geometryAppliesWithResize");
+
     SurfaceComposerClient::openGlobalTransaction();
     mFGSurfaceControl->setFinalCrop(Rect(0, 0, -1, -1));
     SurfaceComposerClient::closeGlobalTransaction(true);
 
-    EXPECT_INITIAL_STATE("after setting crops with geometryAppliesWithResize");
+    EXPECT_INITIAL_STATE("after setting another crop");
 
     completeFGResize();
 
-    EXPECT_INITIAL_STATE("after the resize finishes");
+    EXPECT_RESIZE_STATE("after the resize finishes");
 }
 
 TEST_F(LayerUpdateTest, DeferredTransactionTest) {
diff --git a/services/vr/bufferhubd/bufferhubd.cpp b/services/vr/bufferhubd/bufferhubd.cpp
index d4fc540..1613821 100644
--- a/services/vr/bufferhubd/bufferhubd.cpp
+++ b/services/vr/bufferhubd/bufferhubd.cpp
@@ -4,7 +4,7 @@
 #include <log/log.h>
 
 #include <dvr/performance_client_api.h>
-#include <pdx/default_transport/service_dispatcher.h>
+#include <pdx/service_dispatcher.h>
 
 #include "buffer_hub.h"
 
@@ -16,7 +16,7 @@
   // We need to be able to create endpoints with full perms.
   umask(0000);
 
-  dispatcher = android::pdx::default_transport::ServiceDispatcher::Create();
+  dispatcher = android::pdx::ServiceDispatcher::Create();
   CHECK_ERROR(!dispatcher, error, "Failed to create service dispatcher\n");
 
   service = android::dvr::BufferHubService::Create();
diff --git a/services/vr/hardware_composer/impl/vr_hwc.cpp b/services/vr/hardware_composer/impl/vr_hwc.cpp
index 861114d..9f069cd 100644
--- a/services/vr/hardware_composer/impl/vr_hwc.cpp
+++ b/services/vr/hardware_composer/impl/vr_hwc.cpp
@@ -133,13 +133,14 @@
               return lhs.info.z_order < rhs.info.z_order;
             });
 
-  int first_client_layer = -1, last_client_layer = -1;
+  const size_t no_layer = std::numeric_limits<size_t>::max();
+  size_t first_client_layer = no_layer, last_client_layer = no_layer;
   for (size_t i = 0; i < layers_.size(); ++i) {
     switch (layers_[i].composition_type) {
       case IComposerClient::Composition::SOLID_COLOR:
       case IComposerClient::Composition::CURSOR:
       case IComposerClient::Composition::SIDEBAND:
-        if (first_client_layer < 0)
+        if (first_client_layer == no_layer)
           first_client_layer = i;
 
         last_client_layer = i;
diff --git a/services/vr/performanced/main.cpp b/services/vr/performanced/main.cpp
index ca66c71..d7dc8f6 100644
--- a/services/vr/performanced/main.cpp
+++ b/services/vr/performanced/main.cpp
@@ -9,7 +9,7 @@
 #include <sys/resource.h>
 #include <utils/threads.h>
 
-#include <pdx/default_transport/service_dispatcher.h>
+#include <pdx/service_dispatcher.h>
 #include <private/android_filesystem_config.h>
 
 #include "performance_service.h"
@@ -58,7 +58,7 @@
   CHECK_ERROR(ret < 0, error, "Could not set capabilities: %s",
               strerror(errno));
 
-  dispatcher = android::pdx::default_transport::ServiceDispatcher::Create();
+  dispatcher = android::pdx::ServiceDispatcher::Create();
   CHECK_ERROR(!dispatcher, error, "Failed to create service dispatcher.");
 
   service = android::dvr::PerformanceService::Create();
diff --git a/vulkan/Android.bp b/vulkan/Android.bp
index 91c270e..26d3c6a 100644
--- a/vulkan/Android.bp
+++ b/vulkan/Android.bp
@@ -25,8 +25,16 @@
 
 cc_library_headers {
     name: "vulkan_headers",
-    export_include_dirs: ["include"],
     vendor_available: true,
+    header_libs: [
+        "libcutils_headers",
+        "libhardware_headers",
+    ],
+    export_header_lib_headers: [
+        "libcutils_headers",
+        "libhardware_headers",
+    ],
+    export_include_dirs: ["include"],
 }
 
 subdirs = [
diff --git a/vulkan/api/vulkan.api b/vulkan/api/vulkan.api
index 0b39017..52c0b51 100644
--- a/vulkan/api/vulkan.api
+++ b/vulkan/api/vulkan.api
@@ -1352,6 +1352,7 @@
     VK_COLOR_SPACE_ADOBERGB_LINEAR_EXT                      = 1000104011,
     VK_COLOR_SPACE_ADOBERGB_NONLINEAR_EXT                   = 1000104012,
     VK_COLOR_SPACE_PASS_THROUGH_EXT                         = 1000104013,
+    VK_COLOR_SPACE_EXTENDED_SRGB_NONLINEAR_EXT              = 1000104014,
 }
 
 @extension("VK_EXT_debug_report") // 12
diff --git a/vulkan/include/vulkan/vulkan.h b/vulkan/include/vulkan/vulkan.h
index e28f7a7..4e7c2fc 100644
--- a/vulkan/include/vulkan/vulkan.h
+++ b/vulkan/include/vulkan/vulkan.h
@@ -3412,6 +3412,7 @@
     VK_COLOR_SPACE_ADOBERGB_LINEAR_EXT = 1000104011,
     VK_COLOR_SPACE_ADOBERGB_NONLINEAR_EXT = 1000104012,
     VK_COLOR_SPACE_PASS_THROUGH_EXT = 1000104013,
+    VK_COLOR_SPACE_EXTENDED_SRGB_NONLINEAR_EXT = 1000104014,
     VK_COLOR_SPACE_BEGIN_RANGE_KHR = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR,
     VK_COLOR_SPACE_END_RANGE_KHR = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR,
     VK_COLOR_SPACE_RANGE_SIZE_KHR = (VK_COLOR_SPACE_SRGB_NONLINEAR_KHR - VK_COLOR_SPACE_SRGB_NONLINEAR_KHR + 1),
@@ -5891,7 +5892,7 @@
 #endif
 
 #define VK_EXT_swapchain_colorspace 1
-#define VK_EXT_SWAPCHAIN_COLOR_SPACE_SPEC_VERSION 2
+#define VK_EXT_SWAPCHAIN_COLOR_SPACE_SPEC_VERSION 3
 #define VK_EXT_SWAPCHAIN_COLOR_SPACE_EXTENSION_NAME "VK_EXT_swapchain_colorspace"
 
 
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index ded9549..5f55f19 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -640,6 +640,8 @@
     const VkSurfaceFormatKHR kWideColorFormats[] = {
         {VK_FORMAT_R16G16B16A16_SFLOAT,
          VK_COLOR_SPACE_EXTENDED_SRGB_LINEAR_EXT},
+        {VK_FORMAT_R16G16B16A16_SFLOAT,
+         VK_COLOR_SPACE_EXTENDED_SRGB_NONLINEAR_EXT},
         {VK_FORMAT_A2R10G10B10_UNORM_PACK32,
          VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT},
     };
diff --git a/vulkan/nulldrv/null_driver.cpp b/vulkan/nulldrv/null_driver.cpp
index 6714779..a3da651 100644
--- a/vulkan/nulldrv/null_driver.cpp
+++ b/vulkan/nulldrv/null_driver.cpp
@@ -19,12 +19,12 @@
 #include <inttypes.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <algorithm>
 #include <array>
 
 #include <log/log.h>
-#include <utils/Errors.h>
 
 #include "null_driver_gen.h"