Merge changes from topics "ion", "scan" into rvc-dev

* changes:
  Align Tuner VTS scan tests with the latest scan mechanism
  Copy filtered av data to ion buffer to test on cuttlefish
diff --git a/automotive/can/1.0/default/CanBus.cpp b/automotive/can/1.0/default/CanBus.cpp
index 9f704c1..8b98e5e 100644
--- a/automotive/can/1.0/default/CanBus.cpp
+++ b/automotive/can/1.0/default/CanBus.cpp
@@ -226,7 +226,6 @@
  * \param flag bool object from CanMessage object
  */
 static bool satisfiesFilterFlag(FilterFlag filterFlag, bool flag) {
-    // TODO(b/144458917) add testing for this to VTS tests
     if (filterFlag == FilterFlag::DONT_CARE) return true;
     if (filterFlag == FilterFlag::SET) return flag;
     if (filterFlag == FilterFlag::NOT_SET) return !flag;
@@ -302,7 +301,6 @@
     if ((frame.can_id & CAN_ERR_FLAG) != 0) {
         // error bit is set
         LOG(WARNING) << "CAN Error frame received";
-        // TODO(b/144458917) consider providing different values for isFatal, depending on error
         notifyErrorListeners(parseErrorFrame(frame), false);
         return;
     }
diff --git a/automotive/can/1.0/default/CanBusSlcan.cpp b/automotive/can/1.0/default/CanBusSlcan.cpp
index d15905d..5005ecd 100644
--- a/automotive/can/1.0/default/CanBusSlcan.cpp
+++ b/automotive/can/1.0/default/CanBusSlcan.cpp
@@ -133,7 +133,7 @@
         return ICanController::Result::UNKNOWN_ERROR;
     }
 
-    // set open flag TODO: also support listen only
+    // TODO(b/144775286): set open flag & support listen only
     if (write(mFd.get(), slcanprotocol::kOpenCommand.c_str(),
               slcanprotocol::kOpenCommand.length()) <= 0) {
         LOG(ERROR) << "Failed to set open flag: " << strerror(errno);
diff --git a/automotive/can/1.0/tools/Android.bp b/automotive/can/1.0/tools/Android.bp
index 21f364b..a6c40d9 100644
--- a/automotive/can/1.0/tools/Android.bp
+++ b/automotive/can/1.0/tools/Android.bp
@@ -27,6 +27,9 @@
     header_libs: [
         "android.hardware.automotive.can@hidl-utils-lib",
     ],
+    static_libs: [
+        "android.hardware.automotive.can@libcanhaltools",
+    ],
 }
 
 cc_binary {
@@ -42,6 +45,9 @@
     header_libs: [
         "android.hardware.automotive.can@hidl-utils-lib",
     ],
+    static_libs: [
+        "android.hardware.automotive.can@libcanhaltools",
+    ],
 }
 
 cc_binary {
@@ -54,4 +60,7 @@
         "android.hardware.automotive.can@1.0",
         "libhidlbase",
     ],
+    static_libs: [
+        "android.hardware.automotive.can@libcanhaltools",
+    ],
 }
diff --git a/automotive/can/1.0/tools/canhalctrl.cpp b/automotive/can/1.0/tools/canhalctrl.cpp
index 33755bf..c186b74 100644
--- a/automotive/can/1.0/tools/canhalctrl.cpp
+++ b/automotive/can/1.0/tools/canhalctrl.cpp
@@ -18,6 +18,7 @@
 #include <android/hardware/automotive/can/1.0/ICanController.h>
 #include <android/hidl/manager/1.2/IServiceManager.h>
 #include <hidl-utils/hidl-utils.h>
+#include <libcanhaltools/libcanhaltools.h>
 
 #include <iostream>
 #include <string>
@@ -41,34 +42,17 @@
     std::cerr << " bus name - name under which ICanBus will be published" << std::endl;
 }
 
-static hidl_vec<hidl_string> getControlServices() {
-    auto manager = hidl::manager::V1_2::IServiceManager::getService();
-    hidl_vec<hidl_string> services;
-    manager->listManifestByInterface(ICanController::descriptor, hidl_utils::fill(&services));
-    if (services.size() == 0) {
-        std::cerr << "No ICanController services registered (missing privileges?)" << std::endl;
-        exit(-1);
-    }
-    return services;
-}
-
-static bool isSupported(sp<ICanController> ctrl, ICanController::InterfaceType iftype) {
-    hidl_vec<ICanController::InterfaceType> supported;
-    if (!ctrl->getSupportedInterfaceTypes(hidl_utils::fill(&supported)).isOk()) return false;
-    return supported.contains(iftype);
-}
-
 static int up(const std::string& busName, ICanController::InterfaceType type,
               const std::string& interface, uint32_t bitrate) {
     bool anySupported = false;
-    for (auto&& service : getControlServices()) {
+    for (auto&& service : libcanhaltools::getControlServices()) {
         auto ctrl = ICanController::getService(service);
         if (ctrl == nullptr) {
             std::cerr << "Couldn't open ICanController/" << service;
             continue;
         }
 
-        if (!isSupported(ctrl, type)) continue;
+        if (!libcanhaltools::isSupported(ctrl, type)) continue;
         anySupported = true;
 
         ICanController::BusConfig config = {};
@@ -111,7 +95,7 @@
 }
 
 static int down(const std::string& busName) {
-    for (auto&& service : getControlServices()) {
+    for (auto&& service : libcanhaltools::getControlServices()) {
         auto ctrl = ICanController::getService(service);
         if (ctrl == nullptr) continue;
 
diff --git a/automotive/can/1.0/tools/configurator/Android.bp b/automotive/can/1.0/tools/configurator/Android.bp
new file mode 100644
index 0000000..2c4bc1d
--- /dev/null
+++ b/automotive/can/1.0/tools/configurator/Android.bp
@@ -0,0 +1,34 @@
+//
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_binary {
+    name: "canhalconfigurator",
+    init_rc: ["canhalconfigurator.rc"],
+    defaults: ["android.hardware.automotive.can@defaults"],
+    srcs: [
+        "canhalconfigurator.cpp",
+        "canprototools.cpp",
+    ],
+    shared_libs: [
+        "android.hardware.automotive.can@1.0",
+        "libhidlbase",
+        "libprotobuf-cpp-full",
+    ],
+    static_libs: [
+        "android.hardware.automotive.can@1.x-config-format",
+        "android.hardware.automotive.can@libcanhaltools",
+    ],
+}
diff --git a/automotive/can/1.0/tools/configurator/canhalconfigurator.cpp b/automotive/can/1.0/tools/configurator/canhalconfigurator.cpp
new file mode 100644
index 0000000..a100f06
--- /dev/null
+++ b/automotive/can/1.0/tools/configurator/canhalconfigurator.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "canbus_config.pb.h"
+#include "canprototools.h"
+
+#include <android-base/logging.h>
+#include <android/hardware/automotive/can/1.0/ICanController.h>
+#include <libcanhaltools/libcanhaltools.h>
+
+#include <chrono>
+#include <thread>
+
+namespace android::hardware::automotive::can {
+
+using ICanController = V1_0::ICanController;
+
+/**
+ * Takes output from parsed protobuf config and uses it to configure the CAN HAL.
+ *
+ * \param pb_cfg is an instance of the autogenerated protobuf object for our configuration.
+ * \return boolean status, true on success, false on failure.
+ */
+static bool processPbCfg(const config::CanBusConfig& pb_cfg) {
+    for (auto const& bus : pb_cfg.buses()) {
+        if (bus.name().empty()) {
+            LOG(ERROR) << "Invalid config: Bus config must have a valid name field";
+            return false;
+        }
+
+        LOG(INFO) << "Configure " << bus.name();
+        auto bus_cfg = config::fromPbBus(bus);
+        if (!bus_cfg.has_value()) {
+            return false;
+        }
+
+        // TODO(149405589): remove this sleep and associated includes.
+        std::this_thread::sleep_for(std::chrono::seconds(1));
+        if (libcanhaltools::configureIface(*bus_cfg) != ICanController::Result::OK) {
+            LOG(ERROR) << "No controller supports " << bus.name() << std::endl;
+            // TODO(149405589): add retry logic in case a bus fails to come up.
+            continue;
+        }
+        LOG(INFO) << bus.name() << " has been successfully configured!";
+    }
+    return true;
+}
+
+/**
+ * This kicks off the CAN HAL configuration process. This starts the following:
+ *     1. Reading the config file
+ *     2. Setting up CAN buses
+ *     3. Handling services
+ * \param filepath is a string specifying the absolute path of the config file
+ * \return boolean status, true on success, false on failure
+ */
+static bool configuratorStart(const std::string& filepath) {
+    base::SetDefaultTag("CanConfigurator");
+
+    auto pb_cfg = config::parseConfigFile(filepath);
+    if (!pb_cfg.has_value()) {
+        return false;
+    }
+
+    // process the rest of the config file data and configure the CAN buses.
+    if (!processPbCfg(*pb_cfg)) {
+        return false;
+    }
+    LOG(INFO) << "CAN HAL has been configured!";
+    return true;
+}
+
+}  // namespace android::hardware::automotive::can
+
+int main(int argc, char* argv[]) {
+    std::string config_filepath = "/etc/canbus_config.pb";
+
+    // allow for CLI specification of a config file.
+    if (argc == 2) {
+        config_filepath = argv[1];
+    } else if (argc > 2) {
+        std::cerr << "usage: " << argv[0] << " [optional config filepath]";
+        return 1;
+    }
+
+    if (!::android::hardware::automotive::can::configuratorStart(config_filepath)) {
+        return 1;
+    }
+    return 0;
+}
diff --git a/automotive/can/1.0/tools/configurator/canhalconfigurator.rc b/automotive/can/1.0/tools/configurator/canhalconfigurator.rc
new file mode 100644
index 0000000..12c2465
--- /dev/null
+++ b/automotive/can/1.0/tools/configurator/canhalconfigurator.rc
@@ -0,0 +1,3 @@
+service canhalconfigurator /system/bin/canhalconfigurator
+  class core
+  oneshot
diff --git a/automotive/can/1.0/tools/configurator/canprototools.cpp b/automotive/can/1.0/tools/configurator/canprototools.cpp
new file mode 100644
index 0000000..8e6b2b1
--- /dev/null
+++ b/automotive/can/1.0/tools/configurator/canprototools.cpp
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "canprototools.h"
+
+#include <android-base/logging.h>
+#include <google/protobuf/io/zero_copy_stream_impl.h>
+#include <google/protobuf/text_format.h>
+#include <hidl/HidlTransportSupport.h>
+#include <libcanhaltools/libcanhaltools.h>
+
+#include <fstream>
+
+namespace android::hardware::automotive::can::config {
+
+using ICanController = V1_0::ICanController;
+
+/**
+ * Helper function for parseConfigFile. readString is used to get the fist n characters (n) from an
+ * istream object (s) and return it as a string object.
+ *
+ * \param s istream of the file you intend to read.
+ * \param n streamsize object of the number of characters you'd like.
+ * \return optional string containing up to n characters from the stream(s) you provided.
+ */
+static std::optional<std::string> readString(std::istream& s, std::streamsize n) {
+    char buff[n];
+    auto got = s.read(buff, n).gcount();
+    if (!s.good() && !s.eof()) return std::nullopt;
+    return std::string(buff, 0, std::min(n, got));
+}
+
+std::optional<CanBusConfig> parseConfigFile(const std::string& filepath) {
+    std::ifstream cfg_stream(filepath);
+
+    // text headers that would be present in a plaintext proto config file.
+    static const std::array<std::string, 3> text_headers = {"buses", "#", "controller"};
+    auto cfg_file_snippet = readString(cfg_stream, 10);
+
+    if (!cfg_file_snippet.has_value()) {
+        LOG(ERROR) << "Can't open " << filepath << " for reading";
+        return std::nullopt;
+    }
+    cfg_stream.seekg(0);
+
+    // check if any of the textHeaders are at the start of the config file.
+    bool text_format = false;
+    for (auto const& header : text_headers) {
+        if (cfg_file_snippet->compare(0, header.length(), header) == 0) {
+            text_format = true;
+            break;
+        }
+    }
+
+    CanBusConfig config;
+    if (text_format) {
+        google::protobuf::io::IstreamInputStream pb_stream(&cfg_stream);
+        if (!google::protobuf::TextFormat::Parse(&pb_stream, &config)) {
+            LOG(ERROR) << "Failed to parse (text format) " << filepath;
+            return std::nullopt;
+        }
+    } else if (!config.ParseFromIstream(&cfg_stream)) {
+        LOG(ERROR) << "Failed to parse (binary format) " << filepath;
+        return std::nullopt;
+    }
+    return config;
+}
+
+std::optional<ICanController::BusConfig> fromPbBus(const Bus& pb_bus) {
+    ICanController::BusConfig bus_cfg = {};
+    bus_cfg.name = pb_bus.name();
+
+    switch (pb_bus.iface_type_case()) {
+        case Bus::kNative: {
+            const auto ifname = pb_bus.native().ifname();
+            if (ifname.empty()) {
+                LOG(ERROR) << "Invalid config: native type bus must have an iface name";
+                return std::nullopt;
+            }
+            bus_cfg.bitrate = pb_bus.bitrate();
+            ICanController::BusConfig::InterfaceId::Socketcan socketcan = {};
+            socketcan.ifname(ifname);
+            bus_cfg.interfaceId.socketcan(socketcan);
+            // TODO(b/142654031) - add support for serial number as an option instead of ifname.
+            break;
+        }
+        case Bus::kSlcan: {
+            const auto ttyname = pb_bus.slcan().ttyname();
+            if (ttyname.empty()) {
+                LOG(ERROR) << "Invalid config: slcan type bus must have a tty name";
+                return std::nullopt;
+            }
+            bus_cfg.bitrate = pb_bus.bitrate();
+            ICanController::BusConfig::InterfaceId::Slcan slcan = {};
+            slcan.ttyname(pb_bus.slcan().ttyname());
+            bus_cfg.interfaceId.slcan(slcan);
+            break;
+        }
+        case Bus::kVirtual: {
+            // Theoretically, we could just create the next available vcan iface.
+            const auto ifname = pb_bus.virtual_().ifname();
+            if (ifname.empty()) {
+                LOG(ERROR) << "Invalid config: native type bus must have an iface name";
+                return std::nullopt;
+            }
+            bus_cfg.interfaceId.virtualif({ifname});
+            break;
+        }
+        case Bus::kIndexed: {
+            const auto index = pb_bus.indexed().index();
+            if (index > UINT8_MAX) {
+                LOG(ERROR) << "Interface index out of range: " << index;
+                return std::nullopt;
+            }
+            bus_cfg.interfaceId.indexed({uint8_t(index)});
+            break;
+        }
+        default:
+            LOG(ERROR) << "Invalid config: bad interface type for " << bus_cfg.name;
+            return std::nullopt;
+    }
+    return bus_cfg;
+}
+
+std::optional<ICanController::InterfaceType> getHalIftype(const Bus& pb_bus) {
+    switch (pb_bus.iface_type_case()) {
+        case Bus::kNative:
+            return ICanController::InterfaceType::SOCKETCAN;
+        case Bus::kSlcan:
+            return ICanController::InterfaceType::SLCAN;
+        case Bus::kVirtual:
+            return ICanController::InterfaceType::VIRTUAL;
+        case Bus::kIndexed:
+            return ICanController::InterfaceType::INDEXED;
+        default:
+            return std::nullopt;
+    }
+}
+
+}  // namespace android::hardware::automotive::can::config
diff --git a/automotive/can/1.0/tools/configurator/canprototools.h b/automotive/can/1.0/tools/configurator/canprototools.h
new file mode 100644
index 0000000..b7f2b6f
--- /dev/null
+++ b/automotive/can/1.0/tools/configurator/canprototools.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include "canbus_config.pb.h"
+
+#include <android/hardware/automotive/can/1.0/ICanController.h>
+
+namespace android::hardware::automotive::can::config {
+
+/**
+ * This reads the protobuf config file into a protobuf object. Both text based protobuf files as
+ * well as binary format protobuf files are supported.
+ *
+ * \param filepath string containing the name of the config file to read.
+ * \return a CanBusConfig protobuf object constructed from the config file.
+ */
+std::optional<CanBusConfig> parseConfigFile(const std::string& filepath);
+
+/**
+ * Converts protobuf format single-bus config object to a HAL bus config object.
+ *
+ * \param pb_bus is the protobuf object representing a the configuration of one CAN bus.
+ * \return a converted HAL bus config object.
+ */
+std::optional<V1_0::ICanController::BusConfig> fromPbBus(const Bus& pb_bus);
+
+/**
+ * Get the CAN HAL interface type specified by a given protobuf config object.
+ *
+ * \param pb_bus is the protobuf object representing a the configuration of one CAN bus.
+ * \return the CAN HAL interface type.
+ */
+std::optional<V1_0::ICanController::InterfaceType> getHalIftype(const Bus& pb_bus);
+
+}  // namespace android::hardware::automotive::can::config
diff --git a/automotive/can/1.0/tools/configurator/proto/Android.bp b/automotive/can/1.0/tools/configurator/proto/Android.bp
new file mode 100644
index 0000000..05e1205
--- /dev/null
+++ b/automotive/can/1.0/tools/configurator/proto/Android.bp
@@ -0,0 +1,28 @@
+//
+// Copyright (C) 2020 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_library_static {
+    name: "android.hardware.automotive.can@1.x-config-format",
+    defaults: ["android.hardware.automotive.can@defaults"],
+    proto: {
+        export_proto_headers: true,
+        type: "full",
+    },
+    strip: {
+        keep_symbols: true,
+    },
+    srcs: ["canbus_config.proto"],
+}
diff --git a/automotive/can/1.0/tools/configurator/proto/canbus_config.proto b/automotive/can/1.0/tools/configurator/proto/canbus_config.proto
new file mode 100644
index 0000000..9aa33ac
--- /dev/null
+++ b/automotive/can/1.0/tools/configurator/proto/canbus_config.proto
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+syntax = "proto3";
+
+package android.hardware.automotive.can.config;
+
+message IfaceNative {
+    string ifname = 1;
+    repeated string serialno = 2;
+};
+
+message IfaceSlcan {
+    string ttyname = 1;
+    repeated string serialno = 2;
+};
+
+message IfaceVirtual {
+    string ifname = 1;
+};
+
+message IfaceIndexed {
+    uint32 index = 1;
+};
+
+message Bus {
+    string name = 1;  // this is the name presented in the HAL
+    oneof iface_type {
+        IfaceNative native = 2;
+        IfaceSlcan slcan = 3;
+        IfaceVirtual virtual = 4;
+        IfaceIndexed indexed = 5;
+    }
+    uint32 bitrate = 6;
+};
+
+message CanBusConfig {
+    repeated Bus buses = 1;
+};
diff --git a/automotive/can/1.0/tools/libcanhaltools/Android.bp b/automotive/can/1.0/tools/libcanhaltools/Android.bp
new file mode 100644
index 0000000..cee9eef
--- /dev/null
+++ b/automotive/can/1.0/tools/libcanhaltools/Android.bp
@@ -0,0 +1,32 @@
+//
+// Copyright (C) 2020 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_library_static {
+    name: "android.hardware.automotive.can@libcanhaltools",
+    defaults: ["android.hardware.automotive.can@defaults"],
+    vendor_available: true,
+    srcs: [
+        "libcanhaltools.cpp",
+    ],
+    export_include_dirs: ["include"],
+    shared_libs: [
+        "android.hardware.automotive.can@1.0",
+        "libhidlbase",
+    ],
+    header_libs: [
+        "android.hardware.automotive.can@hidl-utils-lib",
+    ],
+}
diff --git a/automotive/can/1.0/tools/libcanhaltools/include/libcanhaltools/libcanhaltools.h b/automotive/can/1.0/tools/libcanhaltools/include/libcanhaltools/libcanhaltools.h
new file mode 100644
index 0000000..bbd1fe5
--- /dev/null
+++ b/automotive/can/1.0/tools/libcanhaltools/include/libcanhaltools/libcanhaltools.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android/hardware/automotive/can/1.0/ICanBus.h>
+#include <android/hardware/automotive/can/1.0/ICanController.h>
+
+namespace android::hardware::automotive::can::libcanhaltools {
+
+/**
+ * Fetch the list of registered can controller services.
+ *
+ * \return list of service names identifying the registered can controllers.
+ */
+hidl_vec<hidl_string> getControlServices();
+
+/**
+ * Determine if an can controller supports a specific interface type.
+ *
+ * \param ctrl a pointer to a can controller instance to check for interface support.
+ * \param iftype the interface type we wish to check if ctrl supports.
+ * \return true if iftype is supported by ctrl, false if not supported.
+ */
+bool isSupported(sp<V1_0::ICanController> ctrl, V1_0::ICanController::InterfaceType iftype);
+
+/**
+ * Configures a CAN interface through the CAN HAL and brings it up.
+ *
+ * \param can_config this holds the parameters for configuring a CAN bus.
+ * \return status passed back from the CAN HAL, should be OK on success.
+ */
+V1_0::ICanController::Result configureIface(V1_0::ICanController::BusConfig can_config);
+
+}  // namespace android::hardware::automotive::can::libcanhaltools
diff --git a/automotive/can/1.0/tools/libcanhaltools/libcanhaltools.cpp b/automotive/can/1.0/tools/libcanhaltools/libcanhaltools.cpp
new file mode 100644
index 0000000..9192e2f
--- /dev/null
+++ b/automotive/can/1.0/tools/libcanhaltools/libcanhaltools.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "libcanhaltools/libcanhaltools.h"
+
+#include <android-base/logging.h>
+#include <android/hardware/automotive/can/1.0/ICanController.h>
+#include <android/hidl/manager/1.2/IServiceManager.h>
+#include <hidl-utils/hidl-utils.h>
+
+#include <iostream>
+#include <string>
+
+namespace android::hardware::automotive::can::libcanhaltools {
+
+using ICanBus = V1_0::ICanBus;
+using ICanController = V1_0::ICanController;
+using IfIdDisc = ICanController::BusConfig::InterfaceId::hidl_discriminator;
+
+hidl_vec<hidl_string> getControlServices() {
+    auto manager = hidl::manager::V1_2::IServiceManager::getService();
+    hidl_vec<hidl_string> services;
+    manager->listManifestByInterface(ICanController::descriptor, hidl_utils::fill(&services));
+    CHECK(services.size() > 0) << "No ICanController services registered (missing privileges?)"
+                               << std::endl;
+    return services;
+}
+
+bool isSupported(sp<ICanController> ctrl, ICanController::InterfaceType iftype) {
+    hidl_vec<ICanController::InterfaceType> supported;
+    if (!ctrl->getSupportedInterfaceTypes(hidl_utils::fill(&supported)).isOk()) return false;
+    return supported.contains(iftype);
+}
+
+ICanController::InterfaceType getIftype(ICanController::BusConfig can_config) {
+    switch (can_config.interfaceId.getDiscriminator()) {
+        case IfIdDisc::socketcan:
+            return ICanController::InterfaceType::SOCKETCAN;
+        case IfIdDisc::slcan:
+            return ICanController::InterfaceType::SLCAN;
+        case IfIdDisc::virtualif:
+            return ICanController::InterfaceType::VIRTUAL;
+        case IfIdDisc::indexed:
+            return ICanController::InterfaceType::INDEXED;
+        default:
+            CHECK(false) << "HAL returned unexpected interface type!";
+    }
+}
+
+ICanController::Result configureIface(ICanController::BusConfig can_config) {
+    auto iftype = getIftype(can_config);
+    auto can_controller_list = getControlServices();
+    for (auto const& service : can_controller_list) {
+        auto ctrl = ICanController::getService(service);
+        if (ctrl == nullptr) {
+            LOG(ERROR) << "Couldn't open ICanController/" << service;
+            continue;
+        }
+
+        if (!libcanhaltools::isSupported(ctrl, iftype)) continue;
+
+        const auto up_result = ctrl->upInterface(can_config);
+        if (up_result != ICanController::Result::OK) {
+            LOG(ERROR) << "Failed to bring " << can_config.name << " up: " << toString(up_result)
+                       << std::endl;
+        }
+        return up_result;
+    }
+    return ICanController::Result::NOT_SUPPORTED;
+}
+
+}  // namespace android::hardware::automotive::can::libcanhaltools
diff --git a/current.txt b/current.txt
index f9c64bf..2e3f198 100644
--- a/current.txt
+++ b/current.txt
@@ -594,11 +594,11 @@
 2ce820dc4f3c6d85721b65150ed2157c6e2e2055f866fb6c6ba4790f14408d66 android.hardware.camera.provider@2.4::ICameraProviderCallback
 b69a7615c508acf5c5201efd1bfa3262167874fc3594e2db5a3ff93addd8ac75 android.hardware.keymaster@4.0::IKeymasterDevice
 eb2fa0c883c2185d514be0b84c179b283753ef0c1b77b45b4f359bd23bba8b75 android.hardware.neuralnetworks@1.0::IPreparedModel
-8eac60e1f724d141c71c69f06d4544acb720a55dfbbcd97fa01bb3d25ee4e2f5 android.hardware.neuralnetworks@1.0::types
+92e101b30e47bdf526a01c52cecfbe730def5997b8260ab497eb949eb2a6dcdf android.hardware.neuralnetworks@1.0::types
 5f6d3097ba84cb63c430787123f4de1b31c11f90b531b98eae9a8623a5ae962a android.hardware.neuralnetworks@1.1::types
 fb382e986c10b8fbb797a8546e8f9ea6d1107bfe6f3fb7e57f6bbbf1f807a906 android.hardware.neuralnetworks@1.2::IDevice
 40e71cd693de5b832325c5d8f081f2ff20a7ba2b89d401cee5b4b3eb0e241681 android.hardware.neuralnetworks@1.2::IPreparedModel
-00649d29680f2c47edf60000c3ae7ae906ba638f0616947147e3676a83cf36fa android.hardware.neuralnetworks@1.2::types
+ee1a0dee5be00a6fe2d4d3270068c78016dcb194d768fe07ed894ea20904037f android.hardware.neuralnetworks@1.2::types
 a785a57447a81e9c130eef6904c3a5c256076c6a04588c40620ebd6fa2660d77 android.hardware.radio@1.2::types
 1a6e2bd289f22931c526b21916910f1d4c436b7acb9556e4243de4ce8e6cc2e4 android.hardware.soundtrigger@2.0::ISoundTriggerHwCallback
 fd65298e1e09e0e3c781ab18305920d757dbe55a3b459ce17814ec5cf6dfee99 android.hardware.wifi@1.0::IWifiP2pIface
@@ -715,11 +715,11 @@
 6e904be0ddca5ae1de8eba020e6c38ed935ea7d80cd08f47787f137a0ca58555 android.hardware.neuralnetworks@1.3::IFencedExecutionCallback
 2b0b10d2ea7a18a4048cd0eb83d35c19a817aeee95f65807fc31f4ef21381397 android.hardware.neuralnetworks@1.3::IPreparedModel
 eee3430cc86c97c7b407495863d8fb61da6f1a64b7721e77b9b4909b11b174e9 android.hardware.neuralnetworks@1.3::IPreparedModelCallback
-e442ab1b440327fe4e8a3b0b8ac6874e9bc6342e91fe976eb9fea77c63961ec8 android.hardware.neuralnetworks@1.3::types
+acf84925f8ee0a651f2ec547ac334034de266479b93af5434f6c1f25e66aba96 android.hardware.neuralnetworks@1.3::types
 b454df853441c12f6e425e8a60dd29fda20f5e6e39b93d1103e4b37495db38aa android.hardware.radio@1.5::IRadio
 fcbb0742a88215ee7a6d7ce0825d253eb2b50391fc6c8c48667f9fd7f6d4549e android.hardware.radio@1.5::IRadioIndication
 b809193970a91ca637a4b0184767315601d32e3ef3d5992ffbc7a8d14a14f015 android.hardware.radio@1.5::IRadioResponse
-6b8dcd5e3e33a524cc7ebb14671a76ad3a2d333467397ce82acc4024346386f8 android.hardware.radio@1.5::types
+a5bcd595a5108312fe2eb402e716d0b7dab8eb689a2a5f54fdef3ff71f3babd5 android.hardware.radio@1.5::types
 c2cc192edcc222a12b524fb0e0e7f17ef2b48d6b1c0be7b60bc114601793d7a9 android.hardware.secure_element@1.2::ISecureElement
 3ca6616381080bdd6c08141ad12775a94ae868c58b02b1274ae3326f7de724ab android.hardware.sensors@2.1::ISensors
 3d4141c6373cd9ca02fe221a7d12343840de2255d032c38248fe8e35816b58b2 android.hardware.sensors@2.1::ISensorsCallback
diff --git a/graphics/allocator/2.0/default/OWNERS b/graphics/allocator/2.0/default/OWNERS
index 273cb4c..2a56b38 100644
--- a/graphics/allocator/2.0/default/OWNERS
+++ b/graphics/allocator/2.0/default/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
-jessehall@google.com
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/graphics/allocator/2.0/utils/OWNERS b/graphics/allocator/2.0/utils/OWNERS
index 273cb4c..2a56b38 100644
--- a/graphics/allocator/2.0/utils/OWNERS
+++ b/graphics/allocator/2.0/utils/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
-jessehall@google.com
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/graphics/mapper/2.0/default/OWNERS b/graphics/mapper/2.0/default/OWNERS
index 273cb4c..2a56b38 100644
--- a/graphics/mapper/2.0/default/OWNERS
+++ b/graphics/mapper/2.0/default/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
-jessehall@google.com
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/graphics/mapper/2.0/utils/OWNERS b/graphics/mapper/2.0/utils/OWNERS
index 273cb4c..2a56b38 100644
--- a/graphics/mapper/2.0/utils/OWNERS
+++ b/graphics/mapper/2.0/utils/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
-jessehall@google.com
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/graphics/mapper/2.0/vts/OWNERS b/graphics/mapper/2.0/vts/OWNERS
index 8e86f64..11b7d21 100644
--- a/graphics/mapper/2.0/vts/OWNERS
+++ b/graphics/mapper/2.0/vts/OWNERS
@@ -1,5 +1,7 @@
 # Graphics team
-marissaw@google.com
+chrisforbes@google.com
+stoza@google.com
+vhau@google.com
 
 # VTS team
 yim@google.com
diff --git a/graphics/mapper/2.1/default/OWNERS b/graphics/mapper/2.1/default/OWNERS
index 273cb4c..2a56b38 100644
--- a/graphics/mapper/2.1/default/OWNERS
+++ b/graphics/mapper/2.1/default/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
-jessehall@google.com
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/graphics/mapper/2.1/utils/OWNERS b/graphics/mapper/2.1/utils/OWNERS
index 273cb4c..2a56b38 100644
--- a/graphics/mapper/2.1/utils/OWNERS
+++ b/graphics/mapper/2.1/utils/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
-jessehall@google.com
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/graphics/mapper/2.1/vts/OWNERS b/graphics/mapper/2.1/vts/OWNERS
index 8e86f64..11b7d21 100644
--- a/graphics/mapper/2.1/vts/OWNERS
+++ b/graphics/mapper/2.1/vts/OWNERS
@@ -1,5 +1,7 @@
 # Graphics team
-marissaw@google.com
+chrisforbes@google.com
+stoza@google.com
+vhau@google.com
 
 # VTS team
 yim@google.com
diff --git a/graphics/mapper/3.0/utils/OWNERS b/graphics/mapper/3.0/utils/OWNERS
index 96f6d51..2a56b38 100644
--- a/graphics/mapper/3.0/utils/OWNERS
+++ b/graphics/mapper/3.0/utils/OWNERS
@@ -1,3 +1,4 @@
 # Graphics team
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/graphics/mapper/3.0/vts/OWNERS b/graphics/mapper/3.0/vts/OWNERS
index 96f6d51..2a56b38 100644
--- a/graphics/mapper/3.0/vts/OWNERS
+++ b/graphics/mapper/3.0/vts/OWNERS
@@ -1,3 +1,4 @@
 # Graphics team
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/graphics/mapper/4.0/utils/OWNERS b/graphics/mapper/4.0/utils/OWNERS
index 96f6d51..2a56b38 100644
--- a/graphics/mapper/4.0/utils/OWNERS
+++ b/graphics/mapper/4.0/utils/OWNERS
@@ -1,3 +1,4 @@
 # Graphics team
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/graphics/mapper/4.0/vts/OWNERS b/graphics/mapper/4.0/vts/OWNERS
index 96f6d51..2a56b38 100644
--- a/graphics/mapper/4.0/vts/OWNERS
+++ b/graphics/mapper/4.0/vts/OWNERS
@@ -1,3 +1,4 @@
 # Graphics team
-marissaw@google.com
+chrisforbes@google.com
 stoza@google.com
+vhau@google.com
diff --git a/neuralnetworks/1.0/types.hal b/neuralnetworks/1.0/types.hal
index 1175a30..620eefb 100644
--- a/neuralnetworks/1.0/types.hal
+++ b/neuralnetworks/1.0/types.hal
@@ -261,7 +261,7 @@
      *      filter.
      * * 2: A 1-D tensor, of shape [depth_out], specifying the bias. For input
      *      tensor of type {@link OperandType::TENSOR_FLOAT32}
-     *      the bias must be of the same type.
+     *       the bias must be of the same type.
      *      For filter tensor of {@link OperandType::TENSOR_QUANT8_ASYMM},
      *      the bias should be of {@link OperandType::TENSOR_INT32}, with zeroPoint
      *      of 0 and bias_scale == input_scale * filter_scale.
@@ -289,7 +289,7 @@
      *      filter.
      * * 2: A 1-D tensor, of shape [depth_out], specifying the bias. For input
      *      tensor of type {@link OperandType::TENSOR_FLOAT32}
-     *      the bias must be of the same
+     *       the bias must be of the same
      *      type.
      *      For filter tensor of {@link OperandType::TENSOR_QUANT8_ASYMM},
      *      the bias should be of {@link OperandType::TENSOR_INT32}, with zeroPoint
@@ -356,7 +356,7 @@
      *      specifying the filter.
      * * 2: A 1-D tensor, of shape [depth_out], specifying the bias. For input
      *      tensor of type {@link OperandType::TENSOR_FLOAT32}
-     *      the bias must be of the same type.
+     *       the bias must be of the same type.
      *      For filter tensor of {@link OperandType::TENSOR_QUANT8_ASYMM},
      *      the bias should be of {@link OperandType::TENSOR_INT32}, with zeroPoint
      *      of 0 and bias_scale == input_scale * filter_scale.
@@ -385,7 +385,7 @@
      *      specifying the filter.
      * * 2: A 1-D tensor, of shape [depth_out], specifying the bias. For input
      *      tensor of type {@link OperandType::TENSOR_FLOAT32}
-     *      the bias must be of the same type.
+     *       the bias must be of the same type.
      *      For filter tensor of {@link OperandType::TENSOR_QUANT8_ASYMM},
      *      the bias should be of {@link OperandType::TENSOR_INT32}, with zeroPoint
      *      of 0 and bias_scale == input_scale * filter_scale.
@@ -628,7 +628,7 @@
     HASHTABLE_LOOKUP = 10,
 
     /**
-     * Applies L2 normalization along the depth dimension.
+     * Applies L2 normalization along the axis dimension.
      *
      * The values in the output tensor are computed as:
      *
diff --git a/neuralnetworks/1.2/types.hal b/neuralnetworks/1.2/types.hal
index f0fd769..2c3c599 100644
--- a/neuralnetworks/1.2/types.hal
+++ b/neuralnetworks/1.2/types.hal
@@ -846,7 +846,7 @@
     HASHTABLE_LOOKUP = @1.1::OperationType:HASHTABLE_LOOKUP,
 
     /**
-     * Applies L2 normalization along the depth dimension.
+     * Applies L2 normalization along the axis dimension.
      *
      * The values in the output tensor are computed as:
      *
@@ -854,8 +854,7 @@
      *         input[batch, row, col, channel] /
      *         sqrt(sum_{c} pow(input[batch, row, col, c], 2))
      *
-     * For input tensor with rank less than 4, independently normalizes each
-     * 1-D slice along dimension dim.
+     * By default the axis dimension is the last dimension of the input tensor.
      *
      * Supported tensor {@link OperandType}:
      * * {@link OperandType::TENSOR_FLOAT16} (since HAL version 1.2)
@@ -3843,7 +3842,8 @@
      * * 1: A scalar {@link OperandType::INT32}, specifying the number of
      *      independent samples to draw for each row slice.
      * * 2: A 1-D {@link OperandType::TENSOR_INT32} tensor with shape [2],
-     *      specifying seeds used to initialize the random distribution.
+     *      specifying seeds used to initialize the random distribution. If both
+     *      provided seeds are 0, both will be randomly generated.
      * Outputs:
      * * 0: A 2-D {@link OperandType::TENSOR_INT32} tensor with shape
      *      [batches, samples], containing the drawn samples.
diff --git a/neuralnetworks/1.3/types.hal b/neuralnetworks/1.3/types.hal
index 25ec915..56930c2 100644
--- a/neuralnetworks/1.3/types.hal
+++ b/neuralnetworks/1.3/types.hal
@@ -833,7 +833,7 @@
     HASHTABLE_LOOKUP = @1.2::OperationType:HASHTABLE_LOOKUP,
 
     /**
-     * Applies L2 normalization along the depth dimension.
+     * Applies L2 normalization along the axis dimension.
      *
      * The values in the output tensor are computed as:
      *
@@ -841,8 +841,7 @@
      *         input[batch, row, col, channel] /
      *         sqrt(sum_{c} pow(input[batch, row, col, c], 2))
      *
-     * For input tensor with rank less than 4, independently normalizes each
-     * 1-D slice along dimension dim.
+     * By default the axis dimension is the last dimension of the input tensor.
      *
      * Supported tensor {@link OperandType}:
      * * {@link OperandType::TENSOR_FLOAT16} (since HAL version 1.2)
@@ -867,6 +866,10 @@
      *      the scale must be 1.f / 128 and the zeroPoint must be 128.
      *      For {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED},
      *      the scale must be 1.f / 128 and the zeroPoint must be 0.
+     *
+     *      NOTE: Before HAL version 1.3, if the elements along an axis are all zeros,
+     *      the result is undefined. Since HAL version 1.3, if the elements along an axis
+     *      are all zeros, the result is logical zero.
      */
     L2_NORMALIZATION = @1.2::OperationType:L2_NORMALIZATION,
 
@@ -4063,7 +4066,8 @@
      * * 1: A scalar {@link OperandType::INT32}, specifying the number of
      *      independent samples to draw for each row slice.
      * * 2: A 1-D {@link OperandType::TENSOR_INT32} tensor with shape [2],
-     *      specifying seeds used to initialize the random distribution.
+     *      specifying seeds used to initialize the random distribution. If both
+     *      provided seeds are 0, both will be randomly generated.
      * Outputs:
      * * 0: A 2-D {@link OperandType::TENSOR_INT32} tensor with shape
      *      [batches, samples], containing the drawn samples.
diff --git a/radio/1.5/types.hal b/radio/1.5/types.hal
index 248f56e..b061bd5 100644
--- a/radio/1.5/types.hal
+++ b/radio/1.5/types.hal
@@ -203,6 +203,9 @@
     vec<int32_t> channels;
 };
 
+/**
+ * IRadio 1.5 supports NGRAN bands up to V16.2.0
+ */
 enum NgranBands : int32_t {
     /** 3GPP TS 38.101-1, Table 5.2-1: FR1 bands */
     BAND_1 = 1,
@@ -243,7 +246,13 @@
     BAND_83 = 83,
     BAND_84 = 84,
     BAND_86 = 86,
+    BAND_89 = 89,
     BAND_90 = 90,
+    BAND_91 = 91,
+    BAND_92 = 92,
+    BAND_93 = 93,
+    BAND_94 = 94,
+    BAND_95 = 95,
     /** 3GPP TS 38.101-2, Table 5.2-1: FR2 bands */
     BAND_257 = 257,
     BAND_258 = 258,
@@ -251,6 +260,10 @@
     BAND_261 = 261,
 };
 
+/**
+ * Extended from @1.1 UtranBands to add TD-SCDMA bands
+ * IRadio 1.5 supports UTRAN bands up to V15.0.0
+ */
 enum UtranBands : @1.1::UtranBands {
     /** TD-SCDMA bands. 3GPP TS 25.102, Table 5.2: Frequency bands */
     BAND_A = 101,
@@ -262,6 +275,25 @@
 };
 
 /**
+ * Extended from @1.1 EutranBands to add more bands from 3GPP TS 36.101, Table 5.5: Operating bands
+ * IRadio 1.5 supports EUTRAN bands up to V16.4.0
+ */
+enum EutranBands : @1.1::EutranBands {
+    BAND_49 = 49,
+    BAND_50 = 50,
+    BAND_51 = 51,
+    BAND_52 = 52,
+    BAND_53 = 53,
+    BAND_71 = 71,
+    BAND_72 = 72,
+    BAND_73 = 73,
+    BAND_74 = 74,
+    BAND_85 = 85,
+    BAND_87 = 87,
+    BAND_88 = 88,
+};
+
+/**
  * Overwritten from @1.2::NetworkScanRequest to update RadioAccessSpecifier to 1.5 version.
  */
 struct NetworkScanRequest {