diff --git a/camera/device/3.4/ICameraDeviceSession.hal b/camera/device/3.4/ICameraDeviceSession.hal
index 7afcf94..c41d90e 100644
--- a/camera/device/3.4/ICameraDeviceSession.hal
+++ b/camera/device/3.4/ICameraDeviceSession.hal
@@ -31,43 +31,6 @@
 interface ICameraDeviceSession extends @3.3::ICameraDeviceSession {
 
     /**
-     * constructDefaultRequestSettings_3_4:
-     *
-     * Create capture settings for standard camera use cases. Supports the
-     * new template enums added in @3.4.
-     *
-     * The device must return a settings buffer that is configured to meet the
-     * requested use case, which must be one of the CAMERA3_TEMPLATE_*
-     * enums. All request control fields must be included.
-     *
-     * Performance requirements:
-     *
-     * This must be a non-blocking call. The HAL should return from this call
-     * in 1ms, and must return from this call in 5ms.
-     *
-     * Return values:
-     * @return status Status code for the operation, one of:
-     *     OK:
-     *         On a successful construction of default settings.
-     *     INTERNAL_ERROR:
-     *         An unexpected internal error occurred, and the default settings
-     *         are not available.
-     *     ILLEGAL_ARGUMENT:
-     *         The camera HAL does not support the input template type
-     *     CAMERA_DISCONNECTED:
-     *         An external camera device has been disconnected, and is no longer
-     *         available. This camera device interface is now stale, and a new
-     *         instance must be acquired if the device is reconnected. All
-     *         subsequent calls on this interface must return
-     *         CAMERA_DISCONNECTED.
-     * @return requestTemplate The default capture request settings for the requested
-     *     use case, or an empty metadata structure if status is not OK.
-     *
-     */
-    constructDefaultRequestSettings_3_4(RequestTemplate type) generates
-            (Status status, @3.2::CameraMetadata requestTemplate);
-
-    /**
      * configureStreams_3_4:
      *
      * Identical to @3.3::ICameraDeviceSession.configureStreams, except that:
diff --git a/camera/device/3.4/default/CameraDeviceSession.cpp b/camera/device/3.4/default/CameraDeviceSession.cpp
index f6c6b2b..771197a 100644
--- a/camera/device/3.4/default/CameraDeviceSession.cpp
+++ b/camera/device/3.4/default/CameraDeviceSession.cpp
@@ -56,14 +56,6 @@
 CameraDeviceSession::~CameraDeviceSession() {
 }
 
-Return<void> CameraDeviceSession::constructDefaultRequestSettings_3_4(
-        RequestTemplate type, ICameraDeviceSession::constructDefaultRequestSettings_cb _hidl_cb)  {
-    V3_2::CameraMetadata outMetadata;
-    Status status = constructDefaultRequestSettingsRaw( (int) type, &outMetadata);
-    _hidl_cb(status, outMetadata);
-    return Void();
-}
-
 Return<void> CameraDeviceSession::configureStreams_3_4(
         const StreamConfiguration& requestedConfiguration,
         ICameraDeviceSession::configureStreams_3_4_cb _hidl_cb)  {
diff --git a/camera/device/3.4/default/ExternalCameraDeviceSession.cpp b/camera/device/3.4/default/ExternalCameraDeviceSession.cpp
index 51bfe36..fb42605 100644
--- a/camera/device/3.4/default/ExternalCameraDeviceSession.cpp
+++ b/camera/device/3.4/default/ExternalCameraDeviceSession.cpp
@@ -133,15 +133,6 @@
     return Void();
 }
 
-Return<void> ExternalCameraDeviceSession::constructDefaultRequestSettings_3_4(
-        RequestTemplate type,
-        ICameraDeviceSession::constructDefaultRequestSettings_cb _hidl_cb)  {
-    V3_2::CameraMetadata outMetadata;
-    Status status = constructDefaultRequestSettingsRaw(type, &outMetadata);
-    _hidl_cb(status, outMetadata);
-    return Void();
-}
-
 Status ExternalCameraDeviceSession::constructDefaultRequestSettingsRaw(RequestTemplate type,
         V3_2::CameraMetadata *outMetadata) {
     CameraMetadata emptyMd;
@@ -160,9 +151,7 @@
         }
         case RequestTemplate::MANUAL:
         case RequestTemplate::ZERO_SHUTTER_LAG:
-        case RequestTemplate::MOTION_TRACKING_PREVIEW:
-        case RequestTemplate::MOTION_TRACKING_BEST:
-            // Don't support MANUAL, ZSL, MOTION_TRACKING_* templates
+            // Don't support MANUAL, ZSL templates
             status = Status::ILLEGAL_ARGUMENT;
             break;
         default:
diff --git a/camera/device/3.4/default/include/device_v3_4_impl/CameraDeviceSession.h b/camera/device/3.4/default/include/device_v3_4_impl/CameraDeviceSession.h
index 9cd7da7..6e90ed4 100644
--- a/camera/device/3.4/default/include/device_v3_4_impl/CameraDeviceSession.h
+++ b/camera/device/3.4/default/include/device_v3_4_impl/CameraDeviceSession.h
@@ -74,11 +74,6 @@
 protected:
     // Methods from v3.3 and earlier will trampoline to inherited implementation
 
-    // New methods for v3.4
-    Return<void> constructDefaultRequestSettings_3_4(
-            RequestTemplate type,
-            ICameraDeviceSession::constructDefaultRequestSettings_cb _hidl_cb);
-
     Return<void> configureStreams_3_4(
             const StreamConfiguration& requestedConfiguration,
             ICameraDeviceSession::configureStreams_3_4_cb _hidl_cb);
@@ -163,12 +158,6 @@
             return mParent->close();
         }
 
-        virtual Return<void> constructDefaultRequestSettings_3_4(
-                RequestTemplate type,
-                ICameraDeviceSession::constructDefaultRequestSettings_cb _hidl_cb) override {
-            return mParent->constructDefaultRequestSettings_3_4(type, _hidl_cb);
-        }
-
         virtual Return<void> configureStreams_3_3(
                 const V3_2::StreamConfiguration& requestedConfiguration,
                 configureStreams_3_3_cb _hidl_cb) override {
diff --git a/camera/device/3.4/default/include/ext_device_v3_4_impl/ExternalCameraDeviceSession.h b/camera/device/3.4/default/include/ext_device_v3_4_impl/ExternalCameraDeviceSession.h
index fabf26a..b6a2397 100644
--- a/camera/device/3.4/default/include/ext_device_v3_4_impl/ExternalCameraDeviceSession.h
+++ b/camera/device/3.4/default/include/ext_device_v3_4_impl/ExternalCameraDeviceSession.h
@@ -53,7 +53,7 @@
 using ::android::hardware::camera::device::V3_2::ICameraDeviceCallback;
 using ::android::hardware::camera::device::V3_2::MsgType;
 using ::android::hardware::camera::device::V3_2::NotifyMsg;
-using ::android::hardware::camera::device::V3_4::RequestTemplate;
+using ::android::hardware::camera::device::V3_2::RequestTemplate;
 using ::android::hardware::camera::device::V3_2::Stream;
 using ::android::hardware::camera::device::V3_4::StreamConfiguration;
 using ::android::hardware::camera::device::V3_2::StreamConfigurationMode;
@@ -110,11 +110,7 @@
     // Methods from ::android::hardware::camera::device::V3_2::ICameraDeviceSession follow
 
     Return<void> constructDefaultRequestSettings(
-            V3_2::RequestTemplate,
-            ICameraDeviceSession::constructDefaultRequestSettings_cb _hidl_cb);
-
-    Return<void> constructDefaultRequestSettings_3_4(
-            RequestTemplate type,
+            RequestTemplate,
             ICameraDeviceSession::constructDefaultRequestSettings_cb _hidl_cb);
 
     Return<void> configureStreams(
@@ -341,7 +337,7 @@
                 mParent(parent) {}
 
         virtual Return<void> constructDefaultRequestSettings(
-                V3_2::RequestTemplate type,
+                RequestTemplate type,
                 V3_3::ICameraDeviceSession::constructDefaultRequestSettings_cb _hidl_cb) override {
             return mParent->constructDefaultRequestSettings(type, _hidl_cb);
         }
@@ -376,12 +372,6 @@
             return mParent->close();
         }
 
-        virtual Return<void> constructDefaultRequestSettings_3_4(
-                RequestTemplate type,
-                ICameraDeviceSession::constructDefaultRequestSettings_cb _hidl_cb) override {
-            return mParent->constructDefaultRequestSettings_3_4(type, _hidl_cb);
-        }
-
         virtual Return<void> configureStreams_3_3(
                 const V3_2::StreamConfiguration& requestedConfiguration,
                 configureStreams_3_3_cb _hidl_cb) override {
diff --git a/camera/device/3.4/types.hal b/camera/device/3.4/types.hal
index c8ebb17..5681a5c 100644
--- a/camera/device/3.4/types.hal
+++ b/camera/device/3.4/types.hal
@@ -78,36 +78,6 @@
 };
 
 /**
- * New request templates, extending the @3.2 RequestTemplate
- */
-enum RequestTemplate : @3.2::RequestTemplate {
-    /**
-     * A template for selecting camera parameters that match TEMPLATE_PREVIEW as closely as
-     * possible while improving the camera output for motion tracking use cases.
-     *
-     * This template is best used by applications that are frequently switching between motion
-     * tracking use cases and regular still capture use cases, to minimize the IQ changes
-     * when swapping use cases.
-     *
-     * This template is guaranteed to be supported on camera devices that support the
-     * REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING capability.
-     */
-    MOTION_TRACKING_PREVIEW = 7,
-
-    /**
-     * A template for selecting camera parameters that maximize the quality of camera output for
-     * motion tracking use cases.
-     *
-     * This template is best used by applications dedicated to motion tracking applications,
-     * which aren't concerned about fast switches between motion tracking and other use cases.
-     *
-     * This template is guaranteed to be supported on camera devices that support the
-     * REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING capability.
-     */
-    MOTION_TRACKING_BEST = 8,
-};
-
-/**
  * StreamConfiguration:
  *
  * Identical to @3.2::StreamConfiguration, except that it contains session
diff --git a/camera/metadata/3.3/types.hal b/camera/metadata/3.3/types.hal
index d2a5886..b70802a 100644
--- a/camera/metadata/3.3/types.hal
+++ b/camera/metadata/3.3/types.hal
@@ -94,7 +94,7 @@
 
     /** android.statistics.oisDataMode [dynamic, enum, public]
      *
-     * <p>Whether the camera device outputs the OIS data in output
+     * <p>A control for selecting whether OIS position information is included in output
      * result metadata.</p>
      */
     ANDROID_STATISTICS_OIS_DATA_MODE = android.hardware.camera.metadata@3.2::CameraMetadataTag:ANDROID_STATISTICS_END,
@@ -200,12 +200,12 @@
     ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA,
 };
 
-/** android.logicalMultiCamera.sensorSyncType enumeration values
- * @see ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE
+/** android.statistics.oisDataMode enumeration values
+ * @see ANDROID_STATISTICS_OIS_DATA_MODE
  */
-enum CameraMetadataEnumAndroidLogicalMultiCameraSensorSyncType : uint32_t {
-    ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_APPROXIMATE,
-    ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_CALIBRATED,
+enum CameraMetadataEnumAndroidStatisticsOisDataMode : uint32_t {
+    ANDROID_STATISTICS_OIS_DATA_MODE_OFF,
+    ANDROID_STATISTICS_OIS_DATA_MODE_ON,
 };
 
 /** android.info.supportedHardwareLevel enumeration values added since v3.2
@@ -216,10 +216,10 @@
     ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_EXTERNAL,
 };
 
-/** android.statistics.oisDataMode enumeration values
- * @see ANDROID_STATISTICS_OIS_DATA_MODE
+/** android.logicalMultiCamera.sensorSyncType enumeration values
+ * @see ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE
  */
-enum CameraMetadataEnumAndroidStatisticsOisDataMode : uint32_t {
-    ANDROID_STATISTICS_OIS_DATA_MODE_OFF,
-    ANDROID_STATISTICS_OIS_DATA_MODE_ON,
+enum CameraMetadataEnumAndroidLogicalMultiCameraSensorSyncType : uint32_t {
+    ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_APPROXIMATE,
+    ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_CALIBRATED,
 };
diff --git a/configstore/1.0/vts/functional/VtsHalConfigstoreV1_0TargetTest.cpp b/configstore/1.0/vts/functional/VtsHalConfigstoreV1_0TargetTest.cpp
index e501580..a1676be 100644
--- a/configstore/1.0/vts/functional/VtsHalConfigstoreV1_0TargetTest.cpp
+++ b/configstore/1.0/vts/functional/VtsHalConfigstoreV1_0TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "ConfigstoreHidlHalTest"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.0/types.h>
@@ -34,13 +35,25 @@
 #define ASSERT_OK(ret) ASSERT_TRUE(ret.isOk())
 #define EXPECT_OK(ret) EXPECT_TRUE(ret.isOk())
 
+// Test environment for Configstore HIDL HAL.
+class ConfigstoreHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static ConfigstoreHidlEnvironment* Instance() {
+        static ConfigstoreHidlEnvironment* instance = new ConfigstoreHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<ISurfaceFlingerConfigs>(); }
+};
+
 class ConfigstoreHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     sp<ISurfaceFlingerConfigs> sfConfigs;
 
     virtual void SetUp() override {
-        sfConfigs = ::testing::VtsHalHidlTargetTestBase::getService<
-            ISurfaceFlingerConfigs>();
+        sfConfigs = ::testing::VtsHalHidlTargetTestBase::getService<ISurfaceFlingerConfigs>(
+            ConfigstoreHidlEnvironment::Instance()->getServiceName<ISurfaceFlingerConfigs>());
         ASSERT_NE(sfConfigs, nullptr);
     }
 
@@ -119,7 +132,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(ConfigstoreHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    ConfigstoreHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/gatekeeper/1.0/vts/functional/VtsHalGatekeeperV1_0TargetTest.cpp b/gatekeeper/1.0/vts/functional/VtsHalGatekeeperV1_0TargetTest.cpp
index e9a44eb..715e9fc 100644
--- a/gatekeeper/1.0/vts/functional/VtsHalGatekeeperV1_0TargetTest.cpp
+++ b/gatekeeper/1.0/vts/functional/VtsHalGatekeeperV1_0TargetTest.cpp
@@ -33,6 +33,7 @@
 #include <log/log.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
@@ -77,6 +78,20 @@
   return auth_token;
 }
 
+// Test environment for Gatekeeper HIDL HAL.
+class GatekeeperHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static GatekeeperHidlEnvironment* Instance() {
+    static GatekeeperHidlEnvironment* instance = new GatekeeperHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IGatekeeper>(); }
+ private:
+  GatekeeperHidlEnvironment() {}
+};
+
 // The main test class for Gatekeeper HIDL HAL.
 class GatekeeperHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  protected:
@@ -189,7 +204,8 @@
   GatekeeperHidlTest() : uid_(0) {}
   virtual void SetUp() override {
     GatekeeperResponse rsp;
-    gatekeeper_ = ::testing::VtsHalHidlTargetTestBase::getService<IGatekeeper>();
+    gatekeeper_ = ::testing::VtsHalHidlTargetTestBase::getService<IGatekeeper>(
+        GatekeeperHidlEnvironment::Instance()->getServiceName<IGatekeeper>());
     ASSERT_NE(nullptr, gatekeeper_.get());
     doDeleteAllUsers(rsp);
   }
@@ -433,7 +449,9 @@
 }
 
 int main(int argc, char **argv) {
+  ::testing::AddGlobalTestEnvironment(GatekeeperHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  GatekeeperHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   ALOGI("Test result = %d", status);
   return status;
diff --git a/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp b/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp
index a017404..5fd2dd4 100644
--- a/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp
+++ b/ir/1.0/vts/functional/VtsHalIrV1_0TargetTest.cpp
@@ -22,6 +22,7 @@
 #include <android/hardware/ir/1.0/types.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <algorithm>
 
 using ::android::hardware::ir::V1_0::IConsumerIr;
@@ -30,11 +31,26 @@
 using ::android::hardware::Return;
 using ::android::sp;
 
+// Test environment for Ir
+class ConsumerIrHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static ConsumerIrHidlEnvironment* Instance() {
+    static ConsumerIrHidlEnvironment* instance = new ConsumerIrHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IConsumerIr>(); }
+ private:
+  ConsumerIrHidlEnvironment() {}
+};
+
 // The main test class for IR HIDL HAL.
 class ConsumerIrHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    ir = ::testing::VtsHalHidlTargetTestBase::getService<IConsumerIr>();
+    ir = ::testing::VtsHalHidlTargetTestBase::getService<IConsumerIr>(
+      ConsumerIrHidlEnvironment::Instance()->getServiceName<IConsumerIr>());
     ASSERT_NE(ir, nullptr);
   }
 
@@ -77,7 +93,9 @@
 }
 
 int main(int argc, char **argv) {
+  ::testing::AddGlobalTestEnvironment(ConsumerIrHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  ConsumerIrHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   LOG(INFO) << "Test result = " << status;
   return status;
diff --git a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
index 6abd9bf..3a181a9 100644
--- a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -33,19 +33,14 @@
 #include "key_param_output.h"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #include "attestation_record.h"
 #include "openssl_utils.h"
 
 using ::android::sp;
-
 using ::std::string;
 
-// This service_name will be passed to getService when retrieving the keymaster service to test.  To
-// change it from "default" specify the selected service name on the command line.  The first
-// non-gtest argument will be used as the service name.
-string service_name = "default";
-
 static bool arm_deleteAllKeys = false;
 static bool dump_Attestations = false;
 
@@ -417,6 +412,20 @@
 
 }  // namespace
 
+// Test environment for Keymaster HIDL HAL.
+class KeymasterHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static KeymasterHidlEnvironment* Instance() {
+        static KeymasterHidlEnvironment* instance = new KeymasterHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IKeymasterDevice>(); }
+   private:
+    KeymasterHidlEnvironment() {}
+};
+
 class KeymasterHidlTest : public ::testing::VtsHalHidlTargetTestBase {
   public:
     void TearDown() override {
@@ -428,7 +437,8 @@
 
     // SetUpTestCase runs only once per test case, not once per test.
     static void SetUpTestCase() {
-        keymaster_ = IKeymasterDevice::getService(service_name);
+        keymaster_ = ::testing::VtsHalHidlTargetTestBase::getService<IKeymasterDevice>(
+            KeymasterHidlEnvironment::Instance()->getServiceName<IKeymasterDevice>());
         ASSERT_NE(keymaster_, nullptr);
 
         ASSERT_TRUE(
@@ -4203,8 +4213,10 @@
 }  // namespace android
 
 int main(int argc, char** argv) {
+    using android::hardware::keymaster::V3_0::test::KeymasterHidlEnvironment;
+    ::testing::AddGlobalTestEnvironment(KeymasterHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
-    std::vector<std::string> positional_args;
+    KeymasterHidlEnvironment::Instance()->init(&argc, argv);
     for (int i = 1; i < argc; ++i) {
         if (argv[i][0] == '-') {
             if (std::string(argv[i]) == "--arm_deleteAllKeys") {
@@ -4213,14 +4225,8 @@
             if (std::string(argv[i]) == "--dump_attestations") {
                 dump_Attestations = true;
             }
-        } else {
-            positional_args.push_back(argv[i]);
         }
     }
-    if (positional_args.size()) {
-        ALOGI("Running keymaster VTS against service \"%s\"", positional_args[0].c_str());
-        service_name = positional_args[0];
-    }
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
     return status;
diff --git a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
index 38cdcd6..42f9947 100644
--- a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
+++ b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
@@ -50,85 +50,6 @@
 #include <media_hidl_test_common.h>
 #include <fstream>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default"), res("/sdcard/media/") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    void setRes(const char* _res) { res = _res; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    const hidl_string getRes() const { return res; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {"res", required_argument, 0, 'P'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:P:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case 'P':
-                    setRes(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --role: OMX component Role\n"
-                    "-P, --res: Resource files directory location\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-    hidl_string res;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // audio decoder test fixture class
@@ -1220,6 +1141,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp
index 953dc75..d5f1f2d 100644
--- a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp
+++ b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp
@@ -50,85 +50,6 @@
 #include <media_hidl_test_common.h>
 #include <fstream>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default"), res("/sdcard/media/") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    void setRes(const char* _res) { res = _res; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    const hidl_string getRes() const { return res; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {"res", required_argument, 0, 'P'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:P:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case 'P':
-                    setRes(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --role: OMX component Role\n"
-                    "-P, --res: Resource files directory location\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-    hidl_string res;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // audio encoder test fixture class
@@ -562,6 +483,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/common/media_hidl_test_common.h b/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
index bec733d..c1863d5 100644
--- a/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
+++ b/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
@@ -21,6 +21,7 @@
 #define OMX_ANDROID_COMPILE_AS_32BIT_ON_64BIT_PLATFORMS
 #endif
 
+#include <getopt.h>
 #include <media/stagefright/foundation/ALooper.h>
 #include <utils/Condition.h>
 #include <utils/List.h>
@@ -33,6 +34,8 @@
 #include <media/openmax/OMX_AudioExt.h>
 #include <media/openmax/OMX_VideoExt.h>
 
+#include <VtsHalHidlTargetTestEnvBase.h>
+
 /* TIME OUTS (Wait time in dequeueMessage()) */
 
 /* As component is switching states (loaded<->idle<->execute), dequeueMessage()
@@ -355,4 +358,77 @@
              portreconfig fptr = nullptr, OMX_U32 kPortIndexInput = 0,
              OMX_U32 kPortIndexOutput = 1, void* args = nullptr);
 
+// A class for test environment setup
+class ComponentTestEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   private:
+    typedef ::testing::VtsHalHidlTargetTestEnvBase Super;
+
+   public:
+    virtual void registerTestServices() override { registerTestService<IOmx>(); }
+
+    ComponentTestEnvironment() : res("/sdcard/media/") {}
+
+    void setComponent(const char* _component) { component = _component; }
+
+    void setRole(const char* _role) { role = _role; }
+
+    void setRes(const char* _res) { res = _res; }
+
+    const hidl_string getInstance() { return Super::getServiceName<IOmx>(); }
+
+    const hidl_string getComponent() const { return component; }
+
+    const hidl_string getRole() const { return role; }
+
+    const hidl_string getRes() const { return res; }
+
+    int initFromOptions(int argc, char** argv) {
+        static struct option options[] = {{"component", required_argument, 0, 'C'},
+                                          {"role", required_argument, 0, 'R'},
+                                          {"res", required_argument, 0, 'P'},
+                                          {0, 0, 0, 0}};
+
+        while (true) {
+            int index = 0;
+            int c = getopt_long(argc, argv, "C:R:P:", options, &index);
+            if (c == -1) {
+                break;
+            }
+
+            switch (c) {
+                case 'C':
+                    setComponent(optarg);
+                    break;
+                case 'R':
+                    setRole(optarg);
+                    break;
+                case 'P':
+                    setRes(optarg);
+                    break;
+                case '?':
+                    break;
+            }
+        }
+
+        if (optind < argc) {
+            fprintf(stderr,
+                    "unrecognized option: %s\n\n"
+                    "usage: %s <gtest options> <test options>\n\n"
+                    "test options are:\n\n"
+                    "-C, --component: OMX component to test\n"
+                    "-R, --role: OMX component Role\n"
+                    "-P, --res: Resource files directory location\n",
+                    argv[optind ?: 1], argv[0]);
+            return 2;
+        }
+        return 0;
+    }
+
+   private:
+    hidl_string instance;
+    hidl_string component;
+    hidl_string role;
+    hidl_string res;
+};
+
 #endif  // MEDIA_HIDL_TEST_COMMON_H
diff --git a/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp b/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp
index d66136d..f7c8433 100644
--- a/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp
+++ b/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp
@@ -48,75 +48,6 @@
 #include <getopt.h>
 #include <media_hidl_test_common.h>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --Role: OMX component Role\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // generic component test fixture class
@@ -1321,6 +1252,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/master/VtsHalMediaOmxV1_0TargetMasterTest.cpp b/media/omx/1.0/vts/functional/master/VtsHalMediaOmxV1_0TargetMasterTest.cpp
index 5a31d69..64abe1c 100644
--- a/media/omx/1.0/vts/functional/master/VtsHalMediaOmxV1_0TargetMasterTest.cpp
+++ b/media/omx/1.0/vts/functional/master/VtsHalMediaOmxV1_0TargetMasterTest.cpp
@@ -50,54 +50,6 @@
 #include <getopt.h>
 #include <media_hidl_test_common.h>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'}, {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 class MasterHidlTest : public ::testing::VtsHalHidlTargetTestBase {
@@ -226,6 +178,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
index 034992e..40e76c9 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
@@ -51,85 +51,6 @@
 #include <media_video_hidl_test_common.h>
 #include <fstream>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default"), res("/sdcard/media/") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    void setRes(const char* _res) { res = _res; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    const hidl_string getRes() const { return res; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {"res", required_argument, 0, 'P'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:P:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case 'P':
-                    setRes(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --role: OMX component Role\n"
-                    "-P, --res: Resource files directory location\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-    hidl_string res;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // video decoder test fixture class
@@ -1488,6 +1409,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
index 099658f..2056d9e 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
@@ -64,85 +64,6 @@
 #include <system/window.h>
 #include <fstream>
 
-// A class for test environment setup
-class ComponentTestEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-    ComponentTestEnvironment() : instance("default"), res("/sdcard/media/") {}
-
-    void setInstance(const char* _instance) { instance = _instance; }
-
-    void setComponent(const char* _component) { component = _component; }
-
-    void setRole(const char* _role) { role = _role; }
-
-    void setRes(const char* _res) { res = _res; }
-
-    const hidl_string getInstance() const { return instance; }
-
-    const hidl_string getComponent() const { return component; }
-
-    const hidl_string getRole() const { return role; }
-
-    const hidl_string getRes() const { return res; }
-
-    int initFromOptions(int argc, char** argv) {
-        static struct option options[] = {
-            {"instance", required_argument, 0, 'I'},
-            {"component", required_argument, 0, 'C'},
-            {"role", required_argument, 0, 'R'},
-            {"res", required_argument, 0, 'P'},
-            {0, 0, 0, 0}};
-
-        while (true) {
-            int index = 0;
-            int c = getopt_long(argc, argv, "I:C:R:P:", options, &index);
-            if (c == -1) {
-                break;
-            }
-
-            switch (c) {
-                case 'I':
-                    setInstance(optarg);
-                    break;
-                case 'C':
-                    setComponent(optarg);
-                    break;
-                case 'R':
-                    setRole(optarg);
-                    break;
-                case 'P':
-                    setRes(optarg);
-                    break;
-                case '?':
-                    break;
-            }
-        }
-
-        if (optind < argc) {
-            fprintf(stderr,
-                    "unrecognized option: %s\n\n"
-                    "usage: %s <gtest options> <test options>\n\n"
-                    "test options are:\n\n"
-                    "-I, --instance: HAL instance to test\n"
-                    "-C, --component: OMX component to test\n"
-                    "-R, --role: OMX component Role\n"
-                    "-P, --res: Resource files directory location\n",
-                    argv[optind ?: 1], argv[0]);
-            return 2;
-        }
-        return 0;
-    }
-
-   private:
-    hidl_string instance;
-    hidl_string component;
-    hidl_string role;
-    hidl_string res;
-};
-
 static ComponentTestEnvironment* gEnv = nullptr;
 
 // video encoder test fixture class
@@ -1580,6 +1501,7 @@
     gEnv = new ComponentTestEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         status = RUN_ALL_TESTS();
diff --git a/radio/1.2/Android.bp b/radio/1.2/Android.bp
index 552e33d..48ac5a1 100644
--- a/radio/1.2/Android.bp
+++ b/radio/1.2/Android.bp
@@ -19,6 +19,7 @@
         "android.hidl.base@1.0",
     ],
     types: [
+        "AccessNetwork",
         "AudioQuality",
         "Call",
         "CardStatus",
@@ -33,6 +34,7 @@
         "CellInfoGsm",
         "CellInfoLte",
         "CellInfoWcdma",
+        "DataRequestReason",
         "IncrementalResultsPeriodicityRange",
         "IndicationFilter",
         "LinkCapacityEstimate",
diff --git a/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp b/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp
index bf211f0..34a95f2 100644
--- a/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp
+++ b/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "VtsOffloadConfigV1_0TargetTest"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>
 #include <android/hardware/tetheroffload/config/1.0/IOffloadConfig.h>
@@ -77,10 +78,25 @@
     return netlinkSocket(NETLINK_NETFILTER, groups);
 }
 
+// Test environment for OffloadConfig HIDL HAL.
+class OffloadConfigHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static OffloadConfigHidlEnvironment* Instance() {
+        static OffloadConfigHidlEnvironment* instance = new OffloadConfigHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IOffloadConfig>(); }
+   private:
+    OffloadConfigHidlEnvironment() {}
+};
+
 class OffloadConfigHidlTest : public testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        config = testing::VtsHalHidlTargetTestBase::getService<IOffloadConfig>();
+        config = testing::VtsHalHidlTargetTestBase::getService<IOffloadConfig>(
+            OffloadConfigHidlEnvironment::Instance()->getServiceName<IOffloadConfig>());
         ASSERT_NE(nullptr, config.get()) << "Could not get HIDL instance";
     }
 
@@ -175,7 +191,9 @@
 }
 
 int main(int argc, char** argv) {
-    testing::InitGoogleTest(&argc, argv);
+    ::testing::AddGlobalTestEnvironment(OffloadConfigHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    OffloadConfigHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGE("Test result with status=%d", status);
     return status;
diff --git a/tetheroffload/control/1.0/vts/functional/VtsHalTetheroffloadControlV1_0TargetTest.cpp b/tetheroffload/control/1.0/vts/functional/VtsHalTetheroffloadControlV1_0TargetTest.cpp
index d2fa92d..4eef4ec 100644
--- a/tetheroffload/control/1.0/vts/functional/VtsHalTetheroffloadControlV1_0TargetTest.cpp
+++ b/tetheroffload/control/1.0/vts/functional/VtsHalTetheroffloadControlV1_0TargetTest.cpp
@@ -18,6 +18,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>
 #include <android/hardware/tetheroffload/config/1.0/IOffloadConfig.h>
@@ -114,6 +115,23 @@
     NatTimeoutUpdate last_params;
 };
 
+// Test environment for OffloadControl HIDL HAL.
+class OffloadControlHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static OffloadControlHidlEnvironment* Instance() {
+        static OffloadControlHidlEnvironment* instance = new OffloadControlHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<IOffloadConfig>();
+        registerTestService<IOffloadControl>();
+    }
+   private:
+    OffloadControlHidlEnvironment() {}
+};
+
 class OffloadControlHidlTestBase : public testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
@@ -131,7 +149,8 @@
     // The IOffloadConfig HAL is tested more thoroughly elsewhere. He we just
     // setup everything correctly and verify basic readiness.
     void setupConfigHal() {
-        config = testing::VtsHalHidlTargetTestBase::getService<IOffloadConfig>();
+        config = testing::VtsHalHidlTargetTestBase::getService<IOffloadConfig>(
+            OffloadControlHidlEnvironment::Instance()->getServiceName<IOffloadConfig>());
         ASSERT_NE(nullptr, config.get()) << "Could not get HIDL instance";
 
         unique_fd fd1(conntrackSocket(NF_NETLINK_CONNTRACK_NEW | NF_NETLINK_CONNTRACK_DESTROY));
@@ -159,7 +178,8 @@
     }
 
     void prepareControlHal() {
-        control = testing::VtsHalHidlTargetTestBase::getService<IOffloadControl>();
+        control = testing::VtsHalHidlTargetTestBase::getService<IOffloadControl>(
+            OffloadControlHidlEnvironment::Instance()->getServiceName<IOffloadControl>());
         ASSERT_NE(nullptr, control.get()) << "Could not get HIDL instance";
 
         control_cb = new TetheringOffloadCallback();
@@ -678,7 +698,9 @@
 }
 
 int main(int argc, char** argv) {
-    testing::InitGoogleTest(&argc, argv);
+    ::testing::AddGlobalTestEnvironment(OffloadControlHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    OffloadControlHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGE("Test result with status=%d", status);
     return status;