diff --git a/audio/4.0/IDevice.hal b/audio/4.0/IDevice.hal
index bb58568..7eb03c8 100644
--- a/audio/4.0/IDevice.hal
+++ b/audio/4.0/IDevice.hal
@@ -268,4 +268,16 @@
      */
     getMicrophones()
          generates(Result retval, vec<MicrophoneInfo> microphones);
+
+    /**
+     * Notifies the device module about the connection state of an input/output
+     * device attached to it. Calling this method is equivalent to setting
+     * AUDIO_PARAMETER_DEVICE_[DIS]CONNECT on the legacy HAL.
+     *
+     * @param address audio device specification.
+     * @param connected whether the device is connected.
+     * @return retval operation completion status.
+     */
+    setConnectedState(DeviceAddress address, bool connected)
+            generates (Result retval);
 };
diff --git a/audio/4.0/IPrimaryDevice.hal b/audio/4.0/IPrimaryDevice.hal
index f3d904c..258c28b 100644
--- a/audio/4.0/IPrimaryDevice.hal
+++ b/audio/4.0/IPrimaryDevice.hal
@@ -37,6 +37,17 @@
     setMode(AudioMode mode) generates (Result retval);
 
     /**
+     * Sets the name of the current BT SCO headset. Calling this method
+     * is equivalent to setting legacy "bt_headset_name" parameter.
+     * The BT SCO headset name must only be used for debugging purposes.
+     * Optional method
+     *
+     * @param name the name of the current BT SCO headset (can be empty).
+     * @return retval operation completion status.
+     */
+    setBtScoHeadsetDebugName(string name) generates (Result retval);
+
+    /**
      * Gets whether BT SCO Noise Reduction and Echo Cancellation are enabled.
      * Calling this method is equivalent to getting AUDIO_PARAMETER_KEY_BT_NREC
      * on the legacy HAL.
@@ -76,6 +87,48 @@
      */
     setBtScoWidebandEnabled(bool enabled) generates (Result retval);
 
+    /**
+     * Gets whether BT HFP (Hands-Free Profile) is enabled. Calling this method
+     * is equivalent to getting "hfp_enable" parameter value on the legacy HAL.
+     *
+     * @return retval operation completion status.
+     * @return enabled whether BT HFP is enabled.
+     */
+    getBtHfpEnabled() generates (Result retval, bool enabled);
+
+    /**
+     * Sets whether BT HFP (Hands-Free Profile) is enabled. Calling this method
+     * is equivalent to setting "hfp_enable" parameter on the legacy HAL.
+     * Optional method
+     *
+     * @param enabled whether BT HFP is enabled.
+     * @return retval operation completion status.
+     */
+    setBtHfpEnabled(bool enabled) generates (Result retval);
+
+    /**
+     * Sets the sampling rate of BT HFP (Hands-Free Profile). Calling this
+     * method is equivalent to setting "hfp_set_sampling_rate" parameter
+     * on the legacy HAL.
+     * Optional method
+     *
+     * @param sampleRateHz sample rate in Hz.
+     * @return retval operation completion status.
+     */
+    setBtHfpSampleRate(uint32_t sampleRateHz) generates (Result retval);
+
+    /**
+     * Sets the current output volume Hz for BT HFP (Hands-Free Profile).
+     * Calling this method is equivalent to setting "hfp_volume" parameter value
+     * on the legacy HAL (except that legacy HAL implementations expect
+     * an integer value in the range from 0 to 15.)
+     * Optional method
+     *
+     * @param volume 1.0f means unity, 0.0f is zero.
+     * @return retval operation completion status.
+     */
+    setBtHfpVolume(float volume) generates (Result retval);
+
     enum TtyMode : int32_t {
         OFF,
         VCO,
@@ -121,4 +174,22 @@
      * @return retval operation completion status.
      */
     setHacEnabled(bool enabled) generates (Result retval);
+
+    enum Rotation : int32_t {
+        DEG_0,
+        DEG_90,
+        DEG_180,
+        DEG_270
+    };
+
+    /**
+     * Updates HAL on the current rotation of the device relative to natural
+     * orientation. Calling this method is equivalent to setting legacy
+     * parameter "rotation".
+     *
+     * @param rotation rotation in degrees relative to natural device
+     *     orientation.
+     * @return retval operation completion status.
+     */
+    updateRotation(Rotation rotation) generates (Result retval);
 };
diff --git a/audio/4.0/IStream.hal b/audio/4.0/IStream.hal
index f05d7b0..e7a4b7d 100644
--- a/audio/4.0/IStream.hal
+++ b/audio/4.0/IStream.hal
@@ -175,38 +175,26 @@
     standby() generates (Result retval);
 
     /**
-     * Return the set of device(s) which this stream is connected to.
+     * Return the set of devices which this stream is connected to.
      * Optional method
      *
      * @return retval operation completion status: OK or NOT_SUPPORTED.
-     * @return device set of device(s) which this stream is connected to.
+     * @return device set of devices which this stream is connected to.
      */
-    getDevice() generates (Result retval, bitfield<AudioDevice> device);
+    getDevices() generates (Result retval, vec<DeviceAddress> devices);
 
     /**
-     * Connects the stream to the device.
+     * Connects the stream to one or multiple devices.
      *
      * This method must only be used for HALs that do not support
      * 'IDevice.createAudioPatch' method. Calling this method is
-     * equivalent to setting AUDIO_PARAMETER_STREAM_ROUTING in the legacy HAL
-     * interface.
+     * equivalent to setting AUDIO_PARAMETER_STREAM_ROUTING preceeded
+     * with a device address in the legacy HAL interface.
      *
      * @param address device to connect the stream to.
      * @return retval operation completion status.
      */
-    setDevice(DeviceAddress address) generates (Result retval);
-
-    /**
-     * Notifies the stream about device connection state. Calling this method is
-     * equivalent to setting AUDIO_PARAMETER_DEVICE_[DIS]CONNECT on the legacy
-     * HAL.
-     *
-     * @param address audio device specification.
-     * @param connected whether the device is connected.
-     * @return retval operation completion status.
-     */
-    setConnectedState(DeviceAddress address, bool connected)
-            generates (Result retval);
+    setDevices(vec<DeviceAddress> devices) generates (Result retval);
 
     /**
      * Sets the HW synchronization source. Calling this method is equivalent to
diff --git a/audio/4.0/IStreamOut.hal b/audio/4.0/IStreamOut.hal
index 3aa93fc..65eba60 100644
--- a/audio/4.0/IStreamOut.hal
+++ b/audio/4.0/IStreamOut.hal
@@ -264,4 +264,16 @@
      */
     getPresentationPosition()
             generates (Result retval, uint64_t frames, TimeSpec timeStamp);
+
+    /**
+     * Selects a presentation for decoding from a next generation media stream
+     * (as defined per ETSI TS 103 190-2) and a program within the presentation.
+     * Optional method
+     *
+     * @param presentationId selected audio presentation.
+     * @param programId refinement for the presentation.
+     * @return retval operation completion status.
+     */
+    selectPresentation(int32_t presentationId, int32_t programId)
+            generates (Result retval);
 };
diff --git a/audio/4.0/types.hal b/audio/4.0/types.hal
index 7853f3c..7b2035b 100644
--- a/audio/4.0/types.hal
+++ b/audio/4.0/types.hal
@@ -23,6 +23,10 @@
     NOT_INITIALIZED,
     INVALID_ARGUMENTS,
     INVALID_STATE,
+    /**
+     * Methods marked as "Optional method" must return this result value
+     * if the operation is not supported by HAL.
+     */
     NOT_SUPPORTED
 };
 
diff --git a/audio/common/4.0/types.hal b/audio/common/4.0/types.hal
index d4c6efe..4efdea3 100644
--- a/audio/common/4.0/types.hal
+++ b/audio/common/4.0/types.hal
@@ -485,7 +485,7 @@
 };
 
 @export(name="", value_prefix="AUDIO_DEVICE_")
-enum AudioDevice : uint64_t {
+enum AudioDevice : uint32_t {
     NONE                          = 0x0,
     /** reserved bits */
     BIT_IN                        = 0x80000000,
@@ -530,6 +530,7 @@
     OUT_BUS                       = 0x1000000,
     OUT_PROXY                     = 0x2000000,
     OUT_USB_HEADSET               = 0x4000000,
+    OUT_HEARING_AID               = 0x8000000,
     OUT_ECHO_CANCELLER            = 0x10000000,
     OUT_DEFAULT                   = BIT_DEFAULT,
     // Note that the 2.0 OUT_ALL* have been moved to helper functions
diff --git a/authsecret/1.0/IAuthSecret.hal b/authsecret/1.0/IAuthSecret.hal
index 6b573b3..9a0fd5f 100644
--- a/authsecret/1.0/IAuthSecret.hal
+++ b/authsecret/1.0/IAuthSecret.hal
@@ -42,5 +42,5 @@
      *
      * @param secret blob derived from the primary user's credential.
      */
-    primaryUserCredential(vec<uint8_t> secret);
+    oneway primaryUserCredential(vec<uint8_t> secret);
 };
diff --git a/automotive/vehicle/2.0/default/common/src/VmsUtils.cpp b/automotive/vehicle/2.0/default/common/src/VmsUtils.cpp
index abf425f..f001a32 100644
--- a/automotive/vehicle/2.0/default/common/src/VmsUtils.cpp
+++ b/automotive/vehicle/2.0/default/common/src/VmsUtils.cpp
@@ -126,19 +126,18 @@
     return result;
 }
 
-bool verifyPropertyAndArea(const VehiclePropValue& value) {
-    return (value.prop == toInt(VehicleProperty::VEHICLE_MAP_SERVICE) &&
-            value.areaId == toInt(VehicleArea::GLOBAL));
+bool isValidVmsProperty(const VehiclePropValue& value) {
+    return (value.prop == toInt(VehicleProperty::VEHICLE_MAP_SERVICE));
 }
 
-bool verifyMessageType(const VehiclePropValue& value) {
+bool isValidVmsMessageType(const VehiclePropValue& value) {
     return (value.value.int32Values.size() > 0 &&
             value.value.int32Values[kMessageIndex] >= kFirstMessageType &&
             value.value.int32Values[kMessageIndex] <= kLastMessageType);
 }
 
 bool isValidVmsMessage(const VehiclePropValue& value) {
-    return (verifyPropertyAndArea(value) && verifyMessageType(value));
+    return (isValidVmsProperty(value) && isValidVmsMessageType(value));
 }
 
 VmsMessageType parseMessageType(const VehiclePropValue& value) {
diff --git a/automotive/vehicle/2.0/default/tests/VmsUtils_test.cpp b/automotive/vehicle/2.0/default/tests/VmsUtils_test.cpp
index c102ce8..414c5c2 100644
--- a/automotive/vehicle/2.0/default/tests/VmsUtils_test.cpp
+++ b/automotive/vehicle/2.0/default/tests/VmsUtils_test.cpp
@@ -35,7 +35,6 @@
     ASSERT_NE(message, nullptr);
     EXPECT_TRUE(isValidVmsMessage(*message));
     EXPECT_EQ(message->prop, toInt(VehicleProperty::VEHICLE_MAP_SERVICE));
-    EXPECT_EQ(message->areaId, toInt(VehicleArea::GLOBAL));
     EXPECT_EQ(message->value.int32Values.size(), 0x4ul);
     EXPECT_EQ(parseMessageType(*message), VmsMessageType::SUBSCRIBE);
 
@@ -51,7 +50,6 @@
     ASSERT_NE(message, nullptr);
     EXPECT_TRUE(isValidVmsMessage(*message));
     EXPECT_EQ(message->prop, toInt(VehicleProperty::VEHICLE_MAP_SERVICE));
-    EXPECT_EQ(message->areaId, toInt(VehicleArea::GLOBAL));
     EXPECT_EQ(message->value.int32Values.size(), 0x4ul);
     EXPECT_EQ(parseMessageType(*message), VmsMessageType::UNSUBSCRIBE);
 
@@ -67,7 +65,6 @@
     ASSERT_NE(message, nullptr);
     EXPECT_TRUE(isValidVmsMessage(*message));
     EXPECT_EQ(message->prop, toInt(VehicleProperty::VEHICLE_MAP_SERVICE));
-    EXPECT_EQ(message->areaId, toInt(VehicleArea::GLOBAL));
     EXPECT_EQ(message->value.int32Values.size(), 0x6ul);
     EXPECT_EQ(parseMessageType(*message), VmsMessageType::OFFERING);
 
@@ -91,7 +88,6 @@
     ASSERT_NE(message, nullptr);
     EXPECT_TRUE(isValidVmsMessage(*message));
     EXPECT_EQ(message->prop, toInt(VehicleProperty::VEHICLE_MAP_SERVICE));
-    EXPECT_EQ(message->areaId, toInt(VehicleArea::GLOBAL));
     EXPECT_EQ(message->value.int32Values.size(), 0x9ul);
     EXPECT_EQ(parseMessageType(*message), VmsMessageType::OFFERING);
 
@@ -117,7 +113,6 @@
     ASSERT_NE(message, nullptr);
     EXPECT_TRUE(isValidVmsMessage(*message));
     EXPECT_EQ(message->prop, toInt(VehicleProperty::VEHICLE_MAP_SERVICE));
-    EXPECT_EQ(message->areaId, toInt(VehicleArea::GLOBAL));
     EXPECT_EQ(message->value.int32Values.size(), 0x1ul);
     EXPECT_EQ(parseMessageType(*message), VmsMessageType::AVAILABILITY_REQUEST);
 }
@@ -127,7 +122,6 @@
     ASSERT_NE(message, nullptr);
     EXPECT_TRUE(isValidVmsMessage(*message));
     EXPECT_EQ(message->prop, toInt(VehicleProperty::VEHICLE_MAP_SERVICE));
-    EXPECT_EQ(message->areaId, toInt(VehicleArea::GLOBAL));
     EXPECT_EQ(message->value.int32Values.size(), 0x1ul);
     EXPECT_EQ(parseMessageType(*message), VmsMessageType::SUBSCRIPTIONS_REQUEST);
 }
@@ -138,7 +132,6 @@
     ASSERT_NE(message, nullptr);
     EXPECT_TRUE(isValidVmsMessage(*message));
     EXPECT_EQ(message->prop, toInt(VehicleProperty::VEHICLE_MAP_SERVICE));
-    EXPECT_EQ(message->areaId, toInt(VehicleArea::GLOBAL));
     EXPECT_EQ(message->value.int32Values.size(), 0x1ul);
     EXPECT_EQ(parseMessageType(*message), VmsMessageType::DATA);
     EXPECT_EQ(message->value.bytes.size(), bytes.size());
diff --git a/biometrics/fingerprint/2.1/vts/functional/VtsHalBiometricsFingerprintV2_1TargetTest.cpp b/biometrics/fingerprint/2.1/vts/functional/VtsHalBiometricsFingerprintV2_1TargetTest.cpp
index 638af9f..a7f4031 100644
--- a/biometrics/fingerprint/2.1/vts/functional/VtsHalBiometricsFingerprintV2_1TargetTest.cpp
+++ b/biometrics/fingerprint/2.1/vts/functional/VtsHalBiometricsFingerprintV2_1TargetTest.cpp
@@ -16,12 +16,13 @@
 
 #define LOG_TAG "fingerprint_hidl_hal_test"
 
+#include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprint.h>
 #include <android/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprintClientCallback.h>
 #include <hidl/HidlSupport.h>
 #include <hidl/HidlTransportSupport.h>
-#include <VtsHalHidlTargetTestBase.h>
 
 #include <cinttypes>
 #include <future>
@@ -179,10 +180,23 @@
   std::promise<void> promise;
 };
 
+// Test environment for Fingerprint HIDL HAL.
+class FingerprintHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static FingerprintHidlEnvironment* Instance() {
+    static FingerprintHidlEnvironment* instance = new FingerprintHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IBiometricsFingerprint>(); }
+};
+
 class FingerprintHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    mService = ::testing::VtsHalHidlTargetTestBase::getService<IBiometricsFingerprint>();
+    mService = ::testing::VtsHalHidlTargetTestBase::getService<IBiometricsFingerprint>(
+        FingerprintHidlEnvironment::Instance()->getServiceName<IBiometricsFingerprint>());
     ASSERT_FALSE(mService == nullptr);
 
     // Create an active group
@@ -454,7 +468,9 @@
 }  // anonymous namespace
 
 int main(int argc, char **argv) {
+  ::testing::AddGlobalTestEnvironment(FingerprintHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  FingerprintHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   LOG(INFO) << "Test result = " << status;
   return status;
diff --git a/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp b/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
index 6c9aa18..b9f505d 100644
--- a/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
+++ b/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
@@ -25,6 +25,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <queue>
 
 using ::android::hardware::bluetooth::V1_0::IBluetoothHci;
@@ -126,6 +127,23 @@
   std::chrono::steady_clock::time_point start_time_;
 };
 
+// Test environment for Bluetooth HIDL HAL.
+class BluetoothHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static BluetoothHidlEnvironment* Instance() {
+    static BluetoothHidlEnvironment* instance = new BluetoothHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override {
+    registerTestService<IBluetoothHci>();
+  }
+
+ private:
+  BluetoothHidlEnvironment() {}
+};
+
 // The main test class for Bluetooth HIDL HAL.
 class BluetoothHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
@@ -251,15 +269,6 @@
   int max_sco_data_packets;
 };
 
-// A class for test environment setup (kept since this file is a template).
-class BluetoothHidlEnvironment : public ::testing::Environment {
- public:
-  virtual void SetUp() {}
-  virtual void TearDown() {}
-
- private:
-};
-
 // Receive and check status events until a COMMAND_COMPLETE is received.
 void BluetoothHidlTest::wait_for_command_complete_event(hidl_vec<uint8_t> cmd) {
   // Allow intermediate COMMAND_STATUS events
@@ -662,8 +671,9 @@
 }
 
 int main(int argc, char** argv) {
-  ::testing::AddGlobalTestEnvironment(new BluetoothHidlEnvironment);
+  ::testing::AddGlobalTestEnvironment(BluetoothHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  BluetoothHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   ALOGI("Test result = %d", status);
   return status;
diff --git a/broadcastradio/1.0/vts/functional/Android.bp b/broadcastradio/1.0/vts/functional/Android.bp
index f31a2dc..7040a01 100644
--- a/broadcastradio/1.0/vts/functional/Android.bp
+++ b/broadcastradio/1.0/vts/functional/Android.bp
@@ -18,5 +18,8 @@
     name: "VtsHalBroadcastradioV1_0TargetTest",
     defaults: ["VtsHalTargetTestDefaults"],
     srcs: ["VtsHalBroadcastradioV1_0TargetTest.cpp"],
-    static_libs: ["android.hardware.broadcastradio@1.0"],
+    static_libs: [
+        "android.hardware.broadcastradio@1.0",
+        "android.hardware.broadcastradio@vts-utils-lib",
+    ],
 }
diff --git a/broadcastradio/1.0/vts/functional/VtsHalBroadcastradioV1_0TargetTest.cpp b/broadcastradio/1.0/vts/functional/VtsHalBroadcastradioV1_0TargetTest.cpp
index fd048db..90c8463 100644
--- a/broadcastradio/1.0/vts/functional/VtsHalBroadcastradioV1_0TargetTest.cpp
+++ b/broadcastradio/1.0/vts/functional/VtsHalBroadcastradioV1_0TargetTest.cpp
@@ -22,12 +22,12 @@
 #include <hidl/HidlTransportSupport.h>
 #include <utils/threads.h>
 
-#include <android/hardware/broadcastradio/1.0/IBroadcastRadioFactory.h>
 #include <android/hardware/broadcastradio/1.0/IBroadcastRadio.h>
+#include <android/hardware/broadcastradio/1.0/IBroadcastRadioFactory.h>
 #include <android/hardware/broadcastradio/1.0/ITuner.h>
 #include <android/hardware/broadcastradio/1.0/ITunerCallback.h>
 #include <android/hardware/broadcastradio/1.0/types.h>
-
+#include <broadcastradio-vts-utils/environment-utils.h>
 
 using ::android::sp;
 using ::android::Mutex;
@@ -48,6 +48,7 @@
 using ::android::hardware::broadcastradio::V1_0::MetaData;
 using ::android::hardware::broadcastradio::V1_0::MetadataKey;
 using ::android::hardware::broadcastradio::V1_0::MetadataType;
+using ::android::hardware::broadcastradio::vts::BroadcastRadioHidlEnvironment;
 
 #define RETURN_IF_SKIPPED \
     if (skipped) { \
@@ -55,8 +56,8 @@
         return; \
     }
 
+static BroadcastRadioHidlEnvironment<IBroadcastRadioFactory>* gEnv = nullptr;
 // The main test class for Broadcast Radio HIDL HAL.
-
 class BroadcastRadioHidlTest : public ::testing::VtsHalHidlTargetTestBase,
         public ::testing::WithParamInterface<Class> {
  protected:
@@ -67,7 +68,7 @@
         skipped = false;
 
         sp<IBroadcastRadioFactory> factory =
-              ::testing::VtsHalHidlTargetTestBase::getService<IBroadcastRadioFactory>();
+            getService<IBroadcastRadioFactory>(gEnv->getServiceName<IBroadcastRadioFactory>());
         ASSERT_NE(nullptr, factory.get());
 
         Result connectResult;
@@ -731,8 +732,11 @@
     ::testing::Values(Class::AM_FM, Class::SAT, Class::DT));
 
 int main(int argc, char** argv) {
-  ::testing::InitGoogleTest(&argc, argv);
-  int status = RUN_ALL_TESTS();
-  ALOGI("Test result = %d", status);
-  return status;
+    gEnv = new BroadcastRadioHidlEnvironment<IBroadcastRadioFactory>;
+    ::testing::AddGlobalTestEnvironment(gEnv);
+    ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
 }
diff --git a/broadcastradio/1.2/default/Android.bp b/broadcastradio/1.1/default/Android.bp
similarity index 88%
rename from broadcastradio/1.2/default/Android.bp
rename to broadcastradio/1.1/default/Android.bp
index bd4be77..52fb45b 100644
--- a/broadcastradio/1.2/default/Android.bp
+++ b/broadcastradio/1.1/default/Android.bp
@@ -15,8 +15,8 @@
 //
 
 cc_binary {
-    name: "android.hardware.broadcastradio@1.2-service",
-    init_rc: ["android.hardware.broadcastradio@1.2-service.rc"],
+    name: "android.hardware.broadcastradio@1.1-service",
+    init_rc: ["android.hardware.broadcastradio@1.1-service.rc"],
     vendor: true,
     relative_install_path: "hw",
     cflags: [
@@ -39,7 +39,6 @@
     shared_libs: [
         "android.hardware.broadcastradio@1.0",
         "android.hardware.broadcastradio@1.1",
-        "android.hardware.broadcastradio@1.2",
         "libbase",
         "libhidlbase",
         "libhidltransport",
diff --git a/broadcastradio/1.2/default/BroadcastRadio.cpp b/broadcastradio/1.1/default/BroadcastRadio.cpp
similarity index 99%
rename from broadcastradio/1.2/default/BroadcastRadio.cpp
rename to broadcastradio/1.1/default/BroadcastRadio.cpp
index 74f6589..2933aa7 100644
--- a/broadcastradio/1.2/default/BroadcastRadio.cpp
+++ b/broadcastradio/1.1/default/BroadcastRadio.cpp
@@ -25,7 +25,7 @@
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 using V1_0::Band;
@@ -190,7 +190,7 @@
 }
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
diff --git a/broadcastradio/1.2/default/BroadcastRadio.h b/broadcastradio/1.1/default/BroadcastRadio.h
similarity index 85%
rename from broadcastradio/1.2/default/BroadcastRadio.h
rename to broadcastradio/1.1/default/BroadcastRadio.h
index 94d62b9..bdf3b87 100644
--- a/broadcastradio/1.2/default/BroadcastRadio.h
+++ b/broadcastradio/1.1/default/BroadcastRadio.h
@@ -13,24 +13,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_2_BROADCASTRADIO_H
-#define ANDROID_HARDWARE_BROADCASTRADIO_V1_2_BROADCASTRADIO_H
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_1_BROADCASTRADIO_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_BROADCASTRADIO_H
 
 #include "Tuner.h"
 
 #include <android/hardware/broadcastradio/1.1/IBroadcastRadio.h>
-#include <android/hardware/broadcastradio/1.2/types.h>
+#include <android/hardware/broadcastradio/1.1/types.h>
 
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 struct AmFmBandConfig {
     V1_0::Band type;
-    uint32_t lowerLimit;  // kHz
-    uint32_t upperLimit;  // kHz
+    uint32_t lowerLimit;             // kHz
+    uint32_t upperLimit;             // kHz
     std::vector<uint32_t> spacings;  // kHz
 };
 
@@ -73,9 +73,9 @@
 };
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_2_BROADCASTRADIO_H
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_BROADCASTRADIO_H
diff --git a/broadcastradio/1.2/default/BroadcastRadioFactory.cpp b/broadcastradio/1.1/default/BroadcastRadioFactory.cpp
similarity index 97%
rename from broadcastradio/1.2/default/BroadcastRadioFactory.cpp
rename to broadcastradio/1.1/default/BroadcastRadioFactory.cpp
index 8f17aff..aecc967 100644
--- a/broadcastradio/1.2/default/BroadcastRadioFactory.cpp
+++ b/broadcastradio/1.1/default/BroadcastRadioFactory.cpp
@@ -25,7 +25,7 @@
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 using V1_0::Class;
@@ -57,7 +57,7 @@
 }
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
diff --git a/broadcastradio/1.2/default/BroadcastRadioFactory.h b/broadcastradio/1.1/default/BroadcastRadioFactory.h
similarity index 77%
rename from broadcastradio/1.2/default/BroadcastRadioFactory.h
rename to broadcastradio/1.1/default/BroadcastRadioFactory.h
index c365ae0..62b65bc 100644
--- a/broadcastradio/1.2/default/BroadcastRadioFactory.h
+++ b/broadcastradio/1.1/default/BroadcastRadioFactory.h
@@ -13,17 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_2_BROADCASTRADIOFACTORY_H
-#define ANDROID_HARDWARE_BROADCASTRADIO_V1_2_BROADCASTRADIOFACTORY_H
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_1_BROADCASTRADIOFACTORY_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_BROADCASTRADIOFACTORY_H
 
 #include <android/hardware/broadcastradio/1.1/IBroadcastRadio.h>
-#include <android/hardware/broadcastradio/1.2/IBroadcastRadioFactory.h>
-#include <android/hardware/broadcastradio/1.2/types.h>
+#include <android/hardware/broadcastradio/1.1/IBroadcastRadioFactory.h>
+#include <android/hardware/broadcastradio/1.1/types.h>
 
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 struct BroadcastRadioFactory : public IBroadcastRadioFactory {
@@ -37,9 +37,9 @@
 };
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_2_BROADCASTRADIOFACTORY_H
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_BROADCASTRADIOFACTORY_H
diff --git a/broadcastradio/1.2/default/OWNERS b/broadcastradio/1.1/default/OWNERS
similarity index 100%
rename from broadcastradio/1.2/default/OWNERS
rename to broadcastradio/1.1/default/OWNERS
diff --git a/broadcastradio/1.2/default/Tuner.cpp b/broadcastradio/1.1/default/Tuner.cpp
similarity index 93%
rename from broadcastradio/1.2/default/Tuner.cpp
rename to broadcastradio/1.1/default/Tuner.cpp
index e95a132..2be070d 100644
--- a/broadcastradio/1.2/default/Tuner.cpp
+++ b/broadcastradio/1.1/default/Tuner.cpp
@@ -17,8 +17,8 @@
 #define LOG_TAG "BroadcastRadioDefault.tuner"
 #define LOG_NDEBUG 0
 
-#include "BroadcastRadio.h"
 #include "Tuner.h"
+#include "BroadcastRadio.h"
 
 #include <broadcastradio-utils-1x/Utils.h>
 #include <log/log.h>
@@ -26,7 +26,7 @@
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 using namespace std::chrono_literals;
@@ -35,13 +35,13 @@
 using V1_0::BandConfig;
 using V1_0::Class;
 using V1_0::Direction;
+using V1_1::IdentifierType;
 using V1_1::ProgramInfo;
 using V1_1::ProgramInfoFlags;
 using V1_1::ProgramListResult;
 using V1_1::ProgramSelector;
 using V1_1::ProgramType;
 using V1_1::VendorKeyValue;
-using V1_2::IdentifierType;
 using utils::HalRevision;
 
 using std::chrono::milliseconds;
@@ -62,7 +62,6 @@
     : mClassId(classId),
       mCallback(callback),
       mCallback1_1(V1_1::ITunerCallback::castFrom(callback).withDefault(nullptr)),
-      mCallback1_2(V1_2::ITunerCallback::castFrom(callback).withDefault(nullptr)),
       mVirtualRadio(getRadio(classId)),
       mIsAnalogForced(false) {}
 
@@ -130,9 +129,7 @@
 }
 
 HalRevision Tuner::getHalRev() const {
-    if (mCallback1_2 != nullptr) {
-        return HalRevision::V1_2;
-    } else if (mCallback1_1 != nullptr) {
+    if (mCallback1_1 != nullptr) {
         return HalRevision::V1_1;
     } else {
         return HalRevision::V1_0;
@@ -282,7 +279,7 @@
             return Result::INVALID_ARGUMENTS;
         }
     } else if (programType == ProgramType::DAB) {
-        if (!utils::hasId(sel, IdentifierType::DAB_SID_EXT)) return Result::INVALID_ARGUMENTS;
+        if (!utils::hasId(sel, IdentifierType::DAB_SIDECC)) return Result::INVALID_ARGUMENTS;
     } else if (programType == ProgramType::DRMO) {
         if (!utils::hasId(sel, IdentifierType::DRMO_SERVICE_ID)) return Result::INVALID_ARGUMENTS;
     } else if (programType == ProgramType::SXM) {
@@ -386,24 +383,8 @@
     return {};
 }
 
-Return<void> Tuner::setParameters(const hidl_vec<VendorKeyValue>& /* parameters */,
-        setParameters_cb _hidl_cb) {
-    ALOGV("%s", __func__);
-
-    _hidl_cb({});
-    return {};
-}
-
-Return<void> Tuner::getParameters(const hidl_vec<hidl_string>& /* keys */,
-        getParameters_cb _hidl_cb) {
-    ALOGV("%s", __func__);
-
-    _hidl_cb({});
-    return {};
-}
-
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
diff --git a/broadcastradio/1.2/default/Tuner.h b/broadcastradio/1.1/default/Tuner.h
similarity index 79%
rename from broadcastradio/1.2/default/Tuner.h
rename to broadcastradio/1.1/default/Tuner.h
index 7e68354..764d5b3 100644
--- a/broadcastradio/1.2/default/Tuner.h
+++ b/broadcastradio/1.1/default/Tuner.h
@@ -13,19 +13,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_2_TUNER_H
-#define ANDROID_HARDWARE_BROADCASTRADIO_V1_2_TUNER_H
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_1_TUNER_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_TUNER_H
 
 #include "VirtualRadio.h"
 
-#include <android/hardware/broadcastradio/1.2/ITuner.h>
-#include <android/hardware/broadcastradio/1.2/ITunerCallback.h>
+#include <android/hardware/broadcastradio/1.1/ITuner.h>
+#include <android/hardware/broadcastradio/1.1/ITunerCallback.h>
 #include <broadcastradio-utils/WorkerThread.h>
 
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 struct Tuner : public ITuner {
@@ -33,7 +33,7 @@
 
     void forceClose();
 
-    // V1_2::ITuner methods
+    // V1_1::ITuner methods
     virtual Return<Result> setConfiguration(const V1_0::BandConfig& config) override;
     virtual Return<void> getConfiguration(getConfiguration_cb _hidl_cb) override;
     virtual Return<Result> scan(V1_0::Direction direction, bool skipSubChannel) override;
@@ -49,10 +49,6 @@
                                         getProgramList_cb _hidl_cb) override;
     virtual Return<Result> setAnalogForced(bool isForced) override;
     virtual Return<void> isAnalogForced(isAnalogForced_cb _hidl_cb) override;
-    virtual Return<void> setParameters(const hidl_vec<V1_1::VendorKeyValue>& parameters,
-                                       setParameters_cb _hidl_cb) override;
-    virtual Return<void> getParameters(const hidl_vec<hidl_string>& keys,
-                                       getParameters_cb _hidl_cb) override;
 
    private:
     std::mutex mMut;
@@ -62,7 +58,6 @@
     V1_0::Class mClassId;
     const sp<V1_0::ITunerCallback> mCallback;
     const sp<V1_1::ITunerCallback> mCallback1_1;
-    const sp<V1_2::ITunerCallback> mCallback1_2;
 
     std::reference_wrapper<VirtualRadio> mVirtualRadio;
     bool mIsAmfmConfigSet = false;
@@ -77,9 +72,9 @@
 };
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_2_TUNER_H
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_TUNER_H
diff --git a/broadcastradio/1.2/default/VirtualProgram.cpp b/broadcastradio/1.1/default/VirtualProgram.cpp
similarity index 97%
rename from broadcastradio/1.2/default/VirtualProgram.cpp
rename to broadcastradio/1.1/default/VirtualProgram.cpp
index 3594f64..20dc1f5 100644
--- a/broadcastradio/1.2/default/VirtualProgram.cpp
+++ b/broadcastradio/1.1/default/VirtualProgram.cpp
@@ -22,7 +22,7 @@
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 using std::vector;
@@ -30,9 +30,9 @@
 using V1_0::MetaData;
 using V1_0::MetadataKey;
 using V1_0::MetadataType;
+using V1_1::IdentifierType;
 using V1_1::ProgramInfo;
 using V1_1::VendorKeyValue;
-using V1_2::IdentifierType;
 using utils::HalRevision;
 
 static MetaData createDemoBitmap(MetadataKey key, HalRevision halRev) {
@@ -96,7 +96,7 @@
 }
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
diff --git a/broadcastradio/1.2/default/VirtualProgram.h b/broadcastradio/1.1/default/VirtualProgram.h
similarity index 84%
rename from broadcastradio/1.2/default/VirtualProgram.h
rename to broadcastradio/1.1/default/VirtualProgram.h
index c0b20f0..fd7a5e7 100644
--- a/broadcastradio/1.2/default/VirtualProgram.h
+++ b/broadcastradio/1.1/default/VirtualProgram.h
@@ -13,16 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_2_VIRTUALPROGRAM_H
-#define ANDROID_HARDWARE_BROADCASTRADIO_V1_2_VIRTUALPROGRAM_H
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_1_VIRTUALPROGRAM_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_VIRTUALPROGRAM_H
 
-#include <android/hardware/broadcastradio/1.2/types.h>
+#include <android/hardware/broadcastradio/1.1/types.h>
 #include <broadcastradio-utils-1x/Utils.h>
 
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 /**
@@ -47,9 +47,9 @@
                                                     utils::HalRevision halRev);
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_2_VIRTUALPROGRAM_H
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_VIRTUALPROGRAM_H
diff --git a/broadcastradio/1.2/default/VirtualRadio.cpp b/broadcastradio/1.1/default/VirtualRadio.cpp
similarity index 98%
rename from broadcastradio/1.2/default/VirtualRadio.cpp
rename to broadcastradio/1.1/default/VirtualRadio.cpp
index 8988080..5b79155 100644
--- a/broadcastradio/1.2/default/VirtualRadio.cpp
+++ b/broadcastradio/1.1/default/VirtualRadio.cpp
@@ -24,7 +24,7 @@
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 using V1_0::Band;
@@ -100,7 +100,7 @@
 }
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
diff --git a/broadcastradio/1.2/default/VirtualRadio.h b/broadcastradio/1.1/default/VirtualRadio.h
similarity index 91%
rename from broadcastradio/1.2/default/VirtualRadio.h
rename to broadcastradio/1.1/default/VirtualRadio.h
index 8cfaefe..176b1b2 100644
--- a/broadcastradio/1.2/default/VirtualRadio.h
+++ b/broadcastradio/1.1/default/VirtualRadio.h
@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_2_VIRTUALRADIO_H
-#define ANDROID_HARDWARE_BROADCASTRADIO_V1_2_VIRTUALRADIO_H
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_1_VIRTUALRADIO_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_VIRTUALRADIO_H
 
 #include "VirtualProgram.h"
 
@@ -24,7 +24,7 @@
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 
 /**
@@ -72,9 +72,9 @@
 VirtualRadio& getDigitalRadio();
 
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_2_VIRTUALRADIO_H
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_VIRTUALRADIO_H
diff --git a/broadcastradio/1.2/default/android.hardware.broadcastradio@1.2-service.rc b/broadcastradio/1.1/default/android.hardware.broadcastradio@1.1-service.rc
similarity index 83%
rename from broadcastradio/1.2/default/android.hardware.broadcastradio@1.2-service.rc
rename to broadcastradio/1.1/default/android.hardware.broadcastradio@1.1-service.rc
index 3741f21..7c57135 100644
--- a/broadcastradio/1.2/default/android.hardware.broadcastradio@1.2-service.rc
+++ b/broadcastradio/1.1/default/android.hardware.broadcastradio@1.1-service.rc
@@ -1,4 +1,4 @@
-service broadcastradio-hal /vendor/bin/hw/android.hardware.broadcastradio@1.2-service
+service broadcastradio-hal /vendor/bin/hw/android.hardware.broadcastradio@1.1-service
     class hal
     user audioserver
     group audio
diff --git a/broadcastradio/1.2/default/resources.h b/broadcastradio/1.1/default/resources.h
similarity index 89%
rename from broadcastradio/1.2/default/resources.h
rename to broadcastradio/1.1/default/resources.h
index b383c27..b7e709f 100644
--- a/broadcastradio/1.2/default/resources.h
+++ b/broadcastradio/1.1/default/resources.h
@@ -13,13 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_2_RESOURCES_H
-#define ANDROID_HARDWARE_BROADCASTRADIO_V1_2_RESOURCES_H
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_1_RESOURCES_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_RESOURCES_H
 
 namespace android {
 namespace hardware {
 namespace broadcastradio {
-namespace V1_2 {
+namespace V1_1 {
 namespace implementation {
 namespace resources {
 
@@ -38,9 +38,9 @@
 
 }  // namespace resources
 }  // namespace implementation
-}  // namespace V1_2
+}  // namespace V1_1
 }  // namespace broadcastradio
 }  // namespace hardware
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_2_RESOURCES_H
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_RESOURCES_H
diff --git a/broadcastradio/1.2/default/service.cpp b/broadcastradio/1.1/default/service.cpp
similarity index 94%
rename from broadcastradio/1.2/default/service.cpp
rename to broadcastradio/1.1/default/service.cpp
index ea86fba..f8af0b7 100644
--- a/broadcastradio/1.2/default/service.cpp
+++ b/broadcastradio/1.1/default/service.cpp
@@ -22,7 +22,7 @@
 
 using android::hardware::configureRpcThreadpool;
 using android::hardware::joinRpcThreadpool;
-using android::hardware::broadcastradio::V1_2::implementation::BroadcastRadioFactory;
+using android::hardware::broadcastradio::V1_1::implementation::BroadcastRadioFactory;
 
 int main(int /* argc */, char** /* argv */) {
     configureRpcThreadpool(4, true);
diff --git a/broadcastradio/1.1/vts/functional/Android.bp b/broadcastradio/1.1/vts/functional/Android.bp
index 27ae4e9..9240cf0 100644
--- a/broadcastradio/1.1/vts/functional/Android.bp
+++ b/broadcastradio/1.1/vts/functional/Android.bp
@@ -21,7 +21,6 @@
     static_libs: [
         "android.hardware.broadcastradio@1.0",
         "android.hardware.broadcastradio@1.1",
-        "android.hardware.broadcastradio@1.2",  // common-utils-lib dependency
         "android.hardware.broadcastradio@common-utils-1x-lib",
         "android.hardware.broadcastradio@vts-utils-lib",
         "libgmock",
diff --git a/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp b/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp
index 823d14c..6687731 100644
--- a/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp
+++ b/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp
@@ -25,6 +25,7 @@
 #include <android/hardware/broadcastradio/1.1/types.h>
 #include <broadcastradio-utils-1x/Utils.h>
 #include <broadcastradio-vts-utils/call-barrier.h>
+#include <broadcastradio-vts-utils/environment-utils.h>
 #include <broadcastradio-vts-utils/mock-timeout.h>
 #include <broadcastradio-vts-utils/pointer-utils.h>
 #include <cutils/native_handle.h>
@@ -58,6 +59,7 @@
 using V1_0::MetadataType;
 
 using broadcastradio::vts::clearAndWait;
+using broadcastradio::vts::BroadcastRadioHidlEnvironment;
 
 static constexpr auto kConfigTimeout = 10s;
 static constexpr auto kConnectModuleTimeout = 1s;
@@ -91,6 +93,8 @@
     MOCK_TIMEOUT_METHOD1(currentProgramInfoChanged, Return<void>(const ProgramInfo&));
 };
 
+static BroadcastRadioHidlEnvironment<IBroadcastRadioFactory>* gEnv = nullptr;
+
 class BroadcastRadioHalTest : public ::testing::VtsHalHidlTargetTestBase,
                               public ::testing::WithParamInterface<Class> {
    protected:
@@ -119,7 +123,8 @@
     radioClass = GetParam();
 
     // lookup HIDL service
-    auto factory = getService<IBroadcastRadioFactory>();
+    auto factory =
+        getService<IBroadcastRadioFactory>(gEnv->getServiceName<IBroadcastRadioFactory>());
     ASSERT_NE(nullptr, factory.get());
 
     // connect radio module
@@ -606,8 +611,14 @@
 }  // namespace android
 
 int main(int argc, char** argv) {
-  ::testing::InitGoogleTest(&argc, argv);
-  int status = RUN_ALL_TESTS();
-  ALOGI("Test result = %d", status);
-  return status;
+    using android::hardware::broadcastradio::V1_1::vts::gEnv;
+    using android::hardware::broadcastradio::V1_1::IBroadcastRadioFactory;
+    using android::hardware::broadcastradio::vts::BroadcastRadioHidlEnvironment;
+    gEnv = new BroadcastRadioHidlEnvironment<IBroadcastRadioFactory>;
+    ::testing::AddGlobalTestEnvironment(gEnv);
+    ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
 }
diff --git a/broadcastradio/1.2/Android.bp b/broadcastradio/1.2/Android.bp
deleted file mode 100644
index 40eb4e0..0000000
--- a/broadcastradio/1.2/Android.bp
+++ /dev/null
@@ -1,25 +0,0 @@
-// This file is autogenerated by hidl-gen -Landroidbp.
-
-hidl_interface {
-    name: "android.hardware.broadcastradio@1.2",
-    root: "android.hardware",
-    vndk: {
-        enabled: true,
-    },
-    srcs: [
-        "types.hal",
-        "IBroadcastRadioFactory.hal",
-        "ITuner.hal",
-        "ITunerCallback.hal",
-    ],
-    interfaces: [
-        "android.hardware.broadcastradio@1.0",
-        "android.hardware.broadcastradio@1.1",
-        "android.hidl.base@1.0",
-    ],
-    types: [
-        "IdentifierType",
-    ],
-    gen_java: false,
-}
-
diff --git a/broadcastradio/1.2/IBroadcastRadioFactory.hal b/broadcastradio/1.2/IBroadcastRadioFactory.hal
deleted file mode 100644
index 29f6ab3..0000000
--- a/broadcastradio/1.2/IBroadcastRadioFactory.hal
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * 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.
- */
-
-package android.hardware.broadcastradio@1.2;
-
-import @1.1::IBroadcastRadioFactory;
-
-/**
- * To use 1.2 features you must cast specific interfaces returned from the
- * 1.0 HAL. For example V1_0::IBroadcastRadio::openTuner() returns V1_0::ITuner,
- * which can be cast with V1_2::ITuner::castFrom() call.
- *
- * The 1.2 server must always return the 1.2 version of specific interface.
- */
-interface IBroadcastRadioFactory extends @1.1::IBroadcastRadioFactory {
-};
diff --git a/broadcastradio/1.2/ITuner.hal b/broadcastradio/1.2/ITuner.hal
deleted file mode 100644
index ba97ea0..0000000
--- a/broadcastradio/1.2/ITuner.hal
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * 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.
- */
-
-package android.hardware.broadcastradio@1.2;
-
-import @1.1::ITuner;
-
-interface ITuner extends @1.1::ITuner {
-    /**
-     * Generic method for setting vendor-specific parameter values.
-     * The framework does not interpret the parameters, they are passed
-     * in an opaque manner between a vendor application and HAL.
-     *
-     * Framework does not make any assumptions on the keys or values, other than
-     * ones stated in VendorKeyValue documentation (a requirement of key
-     * prefixes).
-     *
-     * For each pair in the result vector, the key must be one of the keys
-     * contained in the input (possibly with wildcards expanded), and the value
-     * must be a vendor-specific result status (i.e. the string "OK" or an error
-     * code). The implementation may choose to return an empty vector, or only
-     * return a status for a subset of the provided inputs, at its discretion.
-     *
-     * Application and HAL must not use keys with unknown prefix. In particular,
-     * it must not place a key-value pair in results vector for unknown key from
-     * parameters vector - instead, an unknown key should simply be ignored.
-     * In other words, results vector may contain a subset of parameter keys
-     * (however, the framework doesn't enforce a strict subset - the only
-     * formal requirement is vendor domain prefix for keys).
-     *
-     * @param parameters Vendor-specific key-value pairs.
-     * @return results Operation completion status for parameters being set.
-     */
-    setParameters(vec<VendorKeyValue> parameters)
-            generates (vec<VendorKeyValue> results);
-
-    /**
-     * Generic method for retrieving vendor-specific parameter values.
-     * The framework does not interpret the parameters, they are passed
-     * in an opaque manner between a vendor application and HAL.
-     *
-     * Framework does not cache set/get requests, so it's allowed for
-     * getParameter to return a different value than previous setParameter call.
-     *
-     * The syntax and semantics of keys are up to the vendor (as long as prefix
-     * rules are obeyed). For instance, vendors may include some form of
-     * wildcard support. In such case, result vector may be of different size
-     * than requested keys vector. However, wildcards are not recognized by
-     * framework and they are passed as-is to the HAL implementation.
-     *
-     * Unknown keys must be ignored and not placed into results vector.
-     *
-     * @param keys Parameter keys to fetch.
-     * @return parameters Vendor-specific key-value pairs.
-     */
-    getParameters(vec<string> keys) generates (vec<VendorKeyValue> parameters);
-};
diff --git a/broadcastradio/1.2/ITunerCallback.hal b/broadcastradio/1.2/ITunerCallback.hal
deleted file mode 100644
index 4e3d0a5..0000000
--- a/broadcastradio/1.2/ITunerCallback.hal
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * 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.
- */
-
-package android.hardware.broadcastradio@1.2;
-
-import @1.1::ITunerCallback;
-
-interface ITunerCallback extends @1.1::ITunerCallback {
-    /**
-     * Generic callback for passing updates to vendor-specific parameter values.
-     * The framework does not interpret the parameters, they are passed
-     * in an opaque manner between a vendor application and HAL.
-     *
-     * It's up to the HAL implementation if and how to implement this callback,
-     * as long as it obeys the prefix rule. In particular, only selected keys
-     * may be notified this way. However, setParameters must not trigger
-     * this callback, while an internal event can change parameters
-     * asynchronously.
-     *
-     * @param parameters Vendor-specific key-value pairs.
-     */
-    oneway parametersUpdated(vec<VendorKeyValue> parameters);
-};
diff --git a/broadcastradio/1.2/types.hal b/broadcastradio/1.2/types.hal
deleted file mode 100644
index 7301e13..0000000
--- a/broadcastradio/1.2/types.hal
+++ /dev/null
@@ -1,50 +0,0 @@
-/**
- * Copyright 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.
- */
-
-package android.hardware.broadcastradio@1.2;
-
-import @1.1::IdentifierType;
-import @1.1::Result;
-import @1.1::VendorKeyValue;
-
-typedef @1.1::Result Result;
-typedef @1.1::VendorKeyValue VendorKeyValue;
-
-enum IdentifierType : @1.1::IdentifierType {
-    /**
-     * 28bit compound primary identifier for DAB.
-     *
-     * Consists of (from the LSB):
-     * - 16bit: SId;
-     * - 8bit: ECC code;
-     * - 4bit: SCIdS (optional).
-     *
-     * SCIdS (Service Component Identifier within the Service) value
-     * of 0 represents the main service, while 1 and above represents
-     * secondary services.
-     *
-     * The remaining bits should be set to zeros when writing on the chip side
-     * and ignored when read.
-     *
-     * This identifier deprecates DAB_SIDECC and makes new primary identifier
-     * for DAB. If the hal implementation detects 1.2 client (by casting
-     * V1_0::ITunerCallback to V1_2::ITunerCallback), it must use DAB_SID_EXT
-     * as a primary identifier for DAB program type. If the hal client detects
-     * either 1.1 or 1.2 HAL, it must convert those identifiers to the
-     * correct version.
-     */
-    DAB_SID_EXT = SXM_CHANNEL + 1,
-};
diff --git a/broadcastradio/1.2/vts/OWNERS b/broadcastradio/1.2/vts/OWNERS
deleted file mode 100644
index 12adf57..0000000
--- a/broadcastradio/1.2/vts/OWNERS
+++ /dev/null
@@ -1,7 +0,0 @@
-# Automotive team
-egranata@google.com
-twasilczyk@google.com
-
-# VTS team
-yuexima@google.com
-yim@google.com
diff --git a/broadcastradio/1.2/vts/functional/Android.bp b/broadcastradio/1.2/vts/functional/Android.bp
deleted file mode 100644
index fd1c254..0000000
--- a/broadcastradio/1.2/vts/functional/Android.bp
+++ /dev/null
@@ -1,28 +0,0 @@
-//
-// 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_test {
-    name: "VtsHalBroadcastradioV1_2TargetTest",
-    defaults: ["VtsHalTargetTestDefaults"],
-    srcs: ["VtsHalBroadcastradioV1_2TargetTest.cpp"],
-    static_libs: [
-        "android.hardware.broadcastradio@1.0",
-        "android.hardware.broadcastradio@1.1",
-        "android.hardware.broadcastradio@1.2",
-        "android.hardware.broadcastradio@vts-utils-lib",
-        "libgmock",
-    ],
-}
diff --git a/broadcastradio/1.2/vts/functional/VtsHalBroadcastradioV1_2TargetTest.cpp b/broadcastradio/1.2/vts/functional/VtsHalBroadcastradioV1_2TargetTest.cpp
deleted file mode 100644
index 085206b..0000000
--- a/broadcastradio/1.2/vts/functional/VtsHalBroadcastradioV1_2TargetTest.cpp
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "broadcastradio.vts"
-
-#include <VtsHalHidlTargetTestBase.h>
-#include <android-base/logging.h>
-#include <android/hardware/broadcastradio/1.1/IBroadcastRadio.h>
-#include <android/hardware/broadcastradio/1.2/IBroadcastRadioFactory.h>
-#include <android/hardware/broadcastradio/1.2/ITuner.h>
-#include <android/hardware/broadcastradio/1.2/ITunerCallback.h>
-#include <android/hardware/broadcastradio/1.2/types.h>
-#include <broadcastradio-vts-utils/call-barrier.h>
-#include <broadcastradio-vts-utils/mock-timeout.h>
-#include <broadcastradio-vts-utils/pointer-utils.h>
-#include <cutils/native_handle.h>
-#include <cutils/properties.h>
-#include <gmock/gmock.h>
-#include <hidl/HidlTransportSupport.h>
-#include <utils/threads.h>
-
-#include <chrono>
-
-namespace android {
-namespace hardware {
-namespace broadcastradio {
-namespace V1_2 {
-namespace vts {
-
-using namespace std::chrono_literals;
-
-using testing::_;
-using testing::AnyNumber;
-using testing::ByMove;
-using testing::DoAll;
-using testing::Invoke;
-using testing::SaveArg;
-
-using broadcastradio::vts::CallBarrier;
-using V1_0::BandConfig;
-using V1_0::Class;
-using V1_0::MetaData;
-using V1_0::MetadataKey;
-using V1_0::MetadataType;
-using V1_1::IBroadcastRadio;
-using V1_1::ProgramInfo;
-using V1_1::ProgramListResult;
-using V1_1::ProgramSelector;
-using V1_1::Properties;
-
-using broadcastradio::vts::clearAndWait;
-
-static constexpr auto kConfigTimeout = 10s;
-static constexpr auto kConnectModuleTimeout = 1s;
-
-static void printSkipped(std::string msg) {
-    std::cout << "[  SKIPPED ] " << msg << std::endl;
-}
-
-struct TunerCallbackMock : public ITunerCallback {
-    TunerCallbackMock() { EXPECT_CALL(*this, hardwareFailure()).Times(0); }
-
-    MOCK_METHOD0(hardwareFailure, Return<void>());
-    MOCK_TIMEOUT_METHOD2(configChange, Return<void>(Result, const BandConfig&));
-    MOCK_METHOD2(tuneComplete, Return<void>(Result, const V1_0::ProgramInfo&));
-    MOCK_TIMEOUT_METHOD2(tuneComplete_1_1, Return<void>(Result, const ProgramSelector&));
-    MOCK_METHOD1(afSwitch, Return<void>(const V1_0::ProgramInfo&));
-    MOCK_METHOD1(antennaStateChange, Return<void>(bool connected));
-    MOCK_METHOD1(trafficAnnouncement, Return<void>(bool active));
-    MOCK_METHOD1(emergencyAnnouncement, Return<void>(bool active));
-    MOCK_METHOD3(newMetadata, Return<void>(uint32_t ch, uint32_t subCh, const hidl_vec<MetaData>&));
-    MOCK_METHOD1(backgroundScanAvailable, Return<void>(bool));
-    MOCK_TIMEOUT_METHOD1(backgroundScanComplete, Return<void>(ProgramListResult));
-    MOCK_METHOD0(programListChanged, Return<void>());
-    MOCK_TIMEOUT_METHOD1(currentProgramInfoChanged, Return<void>(const ProgramInfo&));
-    MOCK_METHOD1(parametersUpdated, Return<void>(const hidl_vec<VendorKeyValue>& parameters));
-};
-
-class BroadcastRadioHalTest : public ::testing::VtsHalHidlTargetTestBase,
-                              public ::testing::WithParamInterface<Class> {
-   protected:
-    virtual void SetUp() override;
-    virtual void TearDown() override;
-
-    bool openTuner();
-
-    Class radioClass;
-    bool skipped = false;
-
-    sp<IBroadcastRadio> mRadioModule;
-    sp<ITuner> mTuner;
-    sp<TunerCallbackMock> mCallback = new TunerCallbackMock();
-
-   private:
-    const BandConfig& getBand(unsigned idx);
-
-    hidl_vec<BandConfig> mBands;
-};
-
-void BroadcastRadioHalTest::SetUp() {
-    radioClass = GetParam();
-
-    // lookup HIDL service
-    auto factory = getService<IBroadcastRadioFactory>();
-    ASSERT_NE(nullptr, factory.get());
-
-    // connect radio module
-    Result connectResult;
-    CallBarrier onConnect;
-    factory->connectModule(radioClass, [&](Result ret, const sp<V1_0::IBroadcastRadio>& radio) {
-        connectResult = ret;
-        if (ret == Result::OK) mRadioModule = IBroadcastRadio::castFrom(radio);
-        onConnect.call();
-    });
-    ASSERT_TRUE(onConnect.waitForCall(kConnectModuleTimeout));
-
-    if (connectResult == Result::INVALID_ARGUMENTS) {
-        printSkipped("This device class is not supported.");
-        skipped = true;
-        return;
-    }
-    ASSERT_EQ(connectResult, Result::OK);
-    ASSERT_NE(nullptr, mRadioModule.get());
-
-    // get module properties
-    Properties prop11;
-    auto& prop10 = prop11.base;
-    auto propResult =
-        mRadioModule->getProperties_1_1([&](const Properties& properties) { prop11 = properties; });
-
-    ASSERT_TRUE(propResult.isOk());
-    EXPECT_EQ(radioClass, prop10.classId);
-    EXPECT_GT(prop10.numTuners, 0u);
-    EXPECT_GT(prop11.supportedProgramTypes.size(), 0u);
-    EXPECT_GT(prop11.supportedIdentifierTypes.size(), 0u);
-    if (radioClass == Class::AM_FM) {
-        EXPECT_GT(prop10.bands.size(), 0u);
-    }
-    mBands = prop10.bands;
-}
-
-void BroadcastRadioHalTest::TearDown() {
-    mTuner.clear();
-    mRadioModule.clear();
-    clearAndWait(mCallback, 1s);
-}
-
-bool BroadcastRadioHalTest::openTuner() {
-    EXPECT_EQ(nullptr, mTuner.get());
-
-    if (radioClass == Class::AM_FM) {
-        EXPECT_TIMEOUT_CALL(*mCallback, configChange, Result::OK, _);
-    }
-
-    Result halResult = Result::NOT_INITIALIZED;
-    auto openCb = [&](Result result, const sp<V1_0::ITuner>& tuner) {
-        halResult = result;
-        if (result != Result::OK) return;
-        mTuner = ITuner::castFrom(tuner);
-    };
-    auto hidlResult = mRadioModule->openTuner(getBand(0), true, mCallback, openCb);
-
-    EXPECT_TRUE(hidlResult.isOk());
-    EXPECT_EQ(Result::OK, halResult);
-    EXPECT_NE(nullptr, mTuner.get());
-    if (radioClass == Class::AM_FM && mTuner != nullptr) {
-        EXPECT_TIMEOUT_CALL_WAIT(*mCallback, configChange, kConfigTimeout);
-
-        BandConfig halConfig;
-        Result halResult = Result::NOT_INITIALIZED;
-        mTuner->getConfiguration([&](Result result, const BandConfig& config) {
-            halResult = result;
-            halConfig = config;
-        });
-        EXPECT_EQ(Result::OK, halResult);
-        EXPECT_TRUE(halConfig.antennaConnected);
-    }
-
-    EXPECT_NE(nullptr, mTuner.get());
-    return nullptr != mTuner.get();
-}
-
-const BandConfig& BroadcastRadioHalTest::getBand(unsigned idx) {
-    static const BandConfig dummyBandConfig = {};
-
-    if (radioClass != Class::AM_FM) {
-        ALOGD("Not AM/FM radio, returning dummy band config");
-        return dummyBandConfig;
-    }
-
-    EXPECT_GT(mBands.size(), idx);
-    if (mBands.size() <= idx) {
-        ALOGD("Band index out of bound, returning dummy band config");
-        return dummyBandConfig;
-    }
-
-    auto& band = mBands[idx];
-    ALOGD("Returning %s band", toString(band.type).c_str());
-    return band;
-}
-
-/**
- * Test IBroadcastRadio::get|setParameters() methods called with no parameters.
- *
- * Verifies that:
- *  - callback is called for empty parameters set.
- */
-TEST_P(BroadcastRadioHalTest, NoParameters) {
-    if (skipped) return;
-
-    ASSERT_TRUE(openTuner());
-
-    hidl_vec<VendorKeyValue> halResults = {};
-    bool wasCalled = false;
-    auto cb = [&](hidl_vec<VendorKeyValue> results) {
-        wasCalled = true;
-        halResults = results;
-    };
-
-    auto hidlResult = mTuner->setParameters({}, cb);
-    ASSERT_TRUE(hidlResult.isOk());
-    ASSERT_TRUE(wasCalled);
-    ASSERT_EQ(0u, halResults.size());
-
-    wasCalled = false;
-    hidlResult = mTuner->getParameters({}, cb);
-    ASSERT_TRUE(hidlResult.isOk());
-    ASSERT_TRUE(wasCalled);
-    ASSERT_EQ(0u, halResults.size());
-}
-
-/**
- * Test IBroadcastRadio::get|setParameters() methods called with unknown parameters.
- *
- * Verifies that:
- *  - unknown parameters are ignored;
- *  - callback is called also for empty results set.
- */
-TEST_P(BroadcastRadioHalTest, UnknownParameters) {
-    if (skipped) return;
-
-    ASSERT_TRUE(openTuner());
-
-    hidl_vec<VendorKeyValue> halResults = {};
-    bool wasCalled = false;
-    auto cb = [&](hidl_vec<VendorKeyValue> results) {
-        wasCalled = true;
-        halResults = results;
-    };
-
-    auto hidlResult = mTuner->setParameters({{"com.google.unknown", "dummy"}}, cb);
-    ASSERT_TRUE(hidlResult.isOk());
-    ASSERT_TRUE(wasCalled);
-    ASSERT_EQ(0u, halResults.size());
-
-    wasCalled = false;
-    hidlResult = mTuner->getParameters({{"com.google.unknown*", "dummy"}}, cb);
-    ASSERT_TRUE(hidlResult.isOk());
-    ASSERT_TRUE(wasCalled);
-    ASSERT_EQ(0u, halResults.size());
-}
-
-// TODO(b/69860743): implement VerifyIdentifiersFormat test when
-// the new program list fetching mechanism is implemented
-
-INSTANTIATE_TEST_CASE_P(BroadcastRadioHalTestCases, BroadcastRadioHalTest,
-                        ::testing::Values(Class::AM_FM, Class::SAT, Class::DT));
-
-}  // namespace vts
-}  // namespace V1_2
-}  // namespace broadcastradio
-}  // namespace hardware
-}  // namespace android
-
-int main(int argc, char** argv) {
-  ::testing::InitGoogleTest(&argc, argv);
-  int status = RUN_ALL_TESTS();
-  ALOGI("Test result = %d", status);
-  return status;
-}
diff --git a/broadcastradio/2.0/vts/functional/VtsHalBroadcastradioV2_0TargetTest.cpp b/broadcastradio/2.0/vts/functional/VtsHalBroadcastradioV2_0TargetTest.cpp
index 37095d4..6877f07 100644
--- a/broadcastradio/2.0/vts/functional/VtsHalBroadcastradioV2_0TargetTest.cpp
+++ b/broadcastradio/2.0/vts/functional/VtsHalBroadcastradioV2_0TargetTest.cpp
@@ -26,6 +26,7 @@
 #include <android/hardware/broadcastradio/2.0/types.h>
 #include <broadcastradio-utils-2x/Utils.h>
 #include <broadcastradio-vts-utils/call-barrier.h>
+#include <broadcastradio-vts-utils/environment-utils.h>
 #include <broadcastradio-vts-utils/mock-timeout.h>
 #include <broadcastradio-vts-utils/pointer-utils.h>
 #include <cutils/bitops.h>
@@ -52,6 +53,7 @@
 using testing::Invoke;
 using testing::SaveArg;
 
+using broadcastradio::vts::BroadcastRadioHidlEnvironment;
 using broadcastradio::vts::CallBarrier;
 using broadcastradio::vts::clearAndWait;
 using utils::make_identifier;
@@ -81,7 +83,8 @@
     TunerCallbackMock();
 
     MOCK_METHOD2(onTuneFailed, Return<void>(Result, const ProgramSelector&));
-    MOCK_TIMEOUT_METHOD1(onCurrentProgramInfoChanged, Return<void>(const ProgramInfo&));
+    MOCK_TIMEOUT_METHOD1(onCurrentProgramInfoChanged_, Return<void>(const ProgramInfo&));
+    virtual Return<void> onCurrentProgramInfoChanged(const ProgramInfo& info);
     Return<void> onProgramListUpdated(const ProgramListChunk& chunk);
     MOCK_METHOD1(onAntennaStateChange, Return<void>(bool connected));
     MOCK_METHOD1(onParametersUpdated, Return<void>(const hidl_vec<VendorKeyValue>& parameters));
@@ -96,6 +99,8 @@
     MOCK_METHOD1(onListUpdated, Return<void>(const hidl_vec<Announcement>&));
 };
 
+static BroadcastRadioHidlEnvironment<IBroadcastRadio>* gEnv = nullptr;
+
 class BroadcastRadioHalTest : public ::testing::VtsHalHidlTargetTestBase {
    protected:
     virtual void SetUp() override;
@@ -122,12 +127,40 @@
 }
 
 TunerCallbackMock::TunerCallbackMock() {
-    EXPECT_TIMEOUT_CALL(*this, onCurrentProgramInfoChanged, _).Times(AnyNumber());
+    EXPECT_TIMEOUT_CALL(*this, onCurrentProgramInfoChanged_, _).Times(AnyNumber());
 
     // we expect the antenna is connected through the whole test
     EXPECT_CALL(*this, onAntennaStateChange(false)).Times(0);
 }
 
+Return<void> TunerCallbackMock::onCurrentProgramInfoChanged(const ProgramInfo& info) {
+    auto logically = utils::getType(info.logicallyTunedTo);
+    if (logically != IdentifierType::INVALID) {
+        EXPECT_TRUE(logically == IdentifierType::AMFM_FREQUENCY ||
+                    logically == IdentifierType::RDS_PI ||
+                    logically == IdentifierType::HD_STATION_ID_EXT ||
+                    logically == IdentifierType::DAB_SID_EXT ||
+                    logically == IdentifierType::DRMO_SERVICE_ID ||
+                    logically == IdentifierType::SXM_SERVICE_ID ||
+                    (logically >= IdentifierType::VENDOR_START &&
+                     logically <= IdentifierType::VENDOR_END) ||
+                    logically > IdentifierType::SXM_CHANNEL);
+    }
+
+    auto physically = utils::getType(info.physicallyTunedTo);
+    if (physically != IdentifierType::INVALID) {
+        EXPECT_TRUE(physically == IdentifierType::AMFM_FREQUENCY ||
+                    physically == IdentifierType::DAB_ENSEMBLE ||
+                    physically == IdentifierType::DRMO_FREQUENCY ||
+                    physically == IdentifierType::SXM_CHANNEL ||
+                    (physically >= IdentifierType::VENDOR_START &&
+                     physically <= IdentifierType::VENDOR_END) ||
+                    physically > IdentifierType::SXM_CHANNEL);
+    }
+
+    return onCurrentProgramInfoChanged_(info);
+}
+
 Return<void> TunerCallbackMock::onProgramListUpdated(const ProgramListChunk& chunk) {
     std::lock_guard<std::mutex> lk(mLock);
 
@@ -142,7 +175,7 @@
     EXPECT_EQ(nullptr, mModule.get()) << "Module is already open";
 
     // lookup HIDL service (radio module)
-    mModule = getService<IBroadcastRadio>();
+    mModule = getService<IBroadcastRadio>(gEnv->getServiceName<IBroadcastRadio>());
     ASSERT_NE(nullptr, mModule.get()) << "Couldn't find broadcast radio HAL implementation";
 
     // get module properties
@@ -385,7 +418,7 @@
 
     // try tuning
     ProgramInfo infoCb = {};
-    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged,
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged_,
                         InfoHasId(utils::make_identifier(IdentifierType::AMFM_FREQUENCY, freq)))
         .Times(AnyNumber())
         .WillOnce(DoAll(SaveArg<0>(&infoCb), testing::Return(ByMove(Void()))));
@@ -399,7 +432,7 @@
 
     // expect a callback if it succeeds
     EXPECT_EQ(Result::OK, result);
-    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged_, timeout::tune);
 
     ALOGD("current program info: %s", toString(infoCb).c_str());
 
@@ -469,15 +502,15 @@
     // TODO(b/69958777): see FmTune workaround
     std::this_thread::sleep_for(100ms);
 
-    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged, _);
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged_, _);
     auto result = mSession->scan(true /* up */, true /* skip subchannel */);
     EXPECT_EQ(Result::OK, result);
-    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged_, timeout::tune);
 
-    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged, _);
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged_, _);
     result = mSession->scan(false /* down */, false /* don't skip subchannel */);
     EXPECT_EQ(Result::OK, result);
-    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged_, timeout::tune);
 }
 
 /**
@@ -494,19 +527,19 @@
     // TODO(b/69958777): see FmTune workaround
     std::this_thread::sleep_for(100ms);
 
-    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged, _).Times(AnyNumber());
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged_, _).Times(AnyNumber());
     auto result = mSession->step(true /* up */);
     if (result == Result::NOT_SUPPORTED) {
         printSkipped("step not supported");
         return;
     }
     EXPECT_EQ(Result::OK, result);
-    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged_, timeout::tune);
 
-    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged, _);
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged_, _);
     result = mSession->step(false /* down */);
     EXPECT_EQ(Result::OK, result);
-    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged_, timeout::tune);
 }
 
 /**
@@ -768,9 +801,6 @@
     closeHandle->close();
 }
 
-// TODO(b/70939328): test ProgramInfo's currentlyTunedId and
-// currentlyTunedChannel once the program list is implemented.
-
 }  // namespace vts
 }  // namespace V2_0
 }  // namespace broadcastradio
@@ -778,7 +808,13 @@
 }  // namespace android
 
 int main(int argc, char** argv) {
+    using android::hardware::broadcastradio::V2_0::vts::gEnv;
+    using android::hardware::broadcastradio::V2_0::IBroadcastRadio;
+    using android::hardware::broadcastradio::vts::BroadcastRadioHidlEnvironment;
+    gEnv = new BroadcastRadioHidlEnvironment<IBroadcastRadio>;
+    ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
     return status;
diff --git a/broadcastradio/common/tests/Android.bp b/broadcastradio/common/tests/Android.bp
index f6a3b6f..3ba31db 100644
--- a/broadcastradio/common/tests/Android.bp
+++ b/broadcastradio/common/tests/Android.bp
@@ -33,7 +33,7 @@
         "android.hardware.broadcastradio@common-utils-2x-lib",
     ],
     shared_libs: [
-        "android.hardware.broadcastradio@1.2",
+        "android.hardware.broadcastradio@1.1",
         "android.hardware.broadcastradio@2.0",
     ],
 }
diff --git a/broadcastradio/common/utils1x/Android.bp b/broadcastradio/common/utils1x/Android.bp
index 127c15a..443dca1 100644
--- a/broadcastradio/common/utils1x/Android.bp
+++ b/broadcastradio/common/utils1x/Android.bp
@@ -28,6 +28,6 @@
     ],
     export_include_dirs: ["include"],
     shared_libs: [
-        "android.hardware.broadcastradio@1.2",
+        "android.hardware.broadcastradio@1.1",
     ],
 }
diff --git a/broadcastradio/common/utils1x/Utils.cpp b/broadcastradio/common/utils1x/Utils.cpp
index 7a59d6a..9c2cc3d 100644
--- a/broadcastradio/common/utils1x/Utils.cpp
+++ b/broadcastradio/common/utils1x/Utils.cpp
@@ -26,10 +26,10 @@
 namespace utils {
 
 using V1_0::Band;
+using V1_1::IdentifierType;
 using V1_1::ProgramIdentifier;
 using V1_1::ProgramSelector;
 using V1_1::ProgramType;
-using V1_2::IdentifierType;
 
 static bool isCompatibleProgramType(const uint32_t ia, const uint32_t ib) {
     auto a = static_cast<ProgramType>(ia);
@@ -86,7 +86,7 @@
 
             return haveEqualIds(a, b, IdentifierType::AMFM_FREQUENCY);
         case ProgramType::DAB:
-            return haveEqualIds(a, b, IdentifierType::DAB_SID_EXT);
+            return haveEqualIds(a, b, IdentifierType::DAB_SIDECC);
         case ProgramType::DRMO:
             return haveEqualIds(a, b, IdentifierType::DRMO_SERVICE_ID);
         case ProgramType::SXM:
@@ -126,35 +126,21 @@
 
 static bool maybeGetId(const ProgramSelector& sel, const IdentifierType type, uint64_t* val) {
     auto itype = static_cast<uint32_t>(type);
-    auto itypeAlt = itype;
-    if (type == IdentifierType::DAB_SIDECC) {
-        itypeAlt = static_cast<uint32_t>(IdentifierType::DAB_SID_EXT);
-    }
-    if (type == IdentifierType::DAB_SID_EXT) {
-        itypeAlt = static_cast<uint32_t>(IdentifierType::DAB_SIDECC);
-    }
 
-    if (sel.primaryId.type == itype || sel.primaryId.type == itypeAlt) {
+    if (sel.primaryId.type == itype) {
         if (val) *val = sel.primaryId.value;
         return true;
     }
 
     // not optimal, but we don't care in default impl
-    bool gotAlt = false;
     for (auto&& id : sel.secondaryIds) {
         if (id.type == itype) {
             if (val) *val = id.value;
             return true;
         }
-        // alternative identifier is a backup, we prefer original value
-        if (id.type == itypeAlt) {
-            if (val) *val = id.value;
-            gotAlt = true;
-            continue;
-        }
     }
 
-    return gotAlt;
+    return false;
 }
 
 bool hasId(const ProgramSelector& sel, const IdentifierType type) {
diff --git a/broadcastradio/common/utils1x/include/broadcastradio-utils-1x/Utils.h b/broadcastradio/common/utils1x/include/broadcastradio-utils-1x/Utils.h
index 5884b5a..d47746d 100644
--- a/broadcastradio/common/utils1x/include/broadcastradio-utils-1x/Utils.h
+++ b/broadcastradio/common/utils1x/include/broadcastradio-utils-1x/Utils.h
@@ -16,7 +16,7 @@
 #ifndef ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_1X_H
 #define ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_1X_H
 
-#include <android/hardware/broadcastradio/1.2/types.h>
+#include <android/hardware/broadcastradio/1.1/types.h>
 #include <chrono>
 #include <queue>
 #include <thread>
@@ -29,7 +29,6 @@
 enum class HalRevision : uint32_t {
     V1_0 = 1,
     V1_1,
-    V1_2,
 };
 
 /**
@@ -50,21 +49,21 @@
 bool isAm(const V1_0::Band band);
 bool isFm(const V1_0::Band band);
 
-bool hasId(const V1_1::ProgramSelector& sel, const V1_2::IdentifierType type);
+bool hasId(const V1_1::ProgramSelector& sel, const V1_1::IdentifierType type);
 
 /**
  * Returns ID (either primary or secondary) for a given program selector.
  *
  * If the selector does not contain given type, returns 0 and emits a warning.
  */
-uint64_t getId(const V1_1::ProgramSelector& sel, const V1_2::IdentifierType type);
+uint64_t getId(const V1_1::ProgramSelector& sel, const V1_1::IdentifierType type);
 
 /**
  * Returns ID (either primary or secondary) for a given program selector.
  *
  * If the selector does not contain given type, returns default value.
  */
-uint64_t getId(const V1_1::ProgramSelector& sel, const V1_2::IdentifierType type, uint64_t defval);
+uint64_t getId(const V1_1::ProgramSelector& sel, const V1_1::IdentifierType type, uint64_t defval);
 
 V1_1::ProgramSelector make_selector(V1_0::Band band, uint32_t channel, uint32_t subChannel = 0);
 
diff --git a/broadcastradio/common/vts/utils/Android.bp b/broadcastradio/common/vts/utils/Android.bp
index 4ba8a17..d3edc76 100644
--- a/broadcastradio/common/vts/utils/Android.bp
+++ b/broadcastradio/common/vts/utils/Android.bp
@@ -25,4 +25,8 @@
         "-Wextra",
         "-Werror",
     ],
+    static_libs: [
+        "VtsHalHidlTargetTestBase",
+    ],
+    group_static_libs: true,
 }
diff --git a/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/environment-utils.h b/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/environment-utils.h
new file mode 100644
index 0000000..274e632
--- /dev/null
+++ b/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/environment-utils.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_VTS_ENVIRONMENT_UTILS
+#define ANDROID_HARDWARE_BROADCASTRADIO_VTS_ENVIRONMENT_UTILS
+
+#include <VtsHalHidlTargetTestEnvBase.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace vts {
+
+// Test environment for BroadcastRadio HIDL HAL.
+template <typename... T>
+class BroadcastRadioHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    virtual void registerTestServices() override {
+        using expander = int[];
+        (void)expander{0, (registerTestService<T>(), 0)...};
+    }
+};
+
+}  // namespace vts
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_VTS_ENVIRONMENT_UTILS
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..bb4886d 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)  {
@@ -378,7 +370,7 @@
 
         for (size_t i = 0; i < settingsCount; i++) {
             uint64_t settingsSize = request.physicalCameraSettings[i].fmqSettingsSize;
-            const camera_metadata_t *settings;
+            const camera_metadata_t *settings = nullptr;
             if (settingsSize > 0) {
                 physicalFmq.push_back(V3_2::CameraMetadata(settingsSize));
                 bool read = mRequestMetadataQueue->read(physicalFmq[i].data(), settingsSize);
@@ -400,6 +392,13 @@
                 ALOGE("%s: physical camera settings metadata is corrupt!", __FUNCTION__);
                 return Status::ILLEGAL_ARGUMENT;
             }
+
+            if (mFirstRequest && settings == nullptr) {
+                ALOGE("%s: Individual request settings must not be null for first request!",
+                        __FUNCTION__);
+                return Status::ILLEGAL_ARGUMENT;
+            }
+
             physicalCameraIds.push_back(request.physicalCameraSettings[i].physicalCameraId.c_str());
         }
     }
diff --git a/camera/device/3.4/default/ExternalCameraDeviceSession.cpp b/camera/device/3.4/default/ExternalCameraDeviceSession.cpp
index 4391439..5346f80 100644
--- a/camera/device/3.4/default/ExternalCameraDeviceSession.cpp
+++ b/camera/device/3.4/default/ExternalCameraDeviceSession.cpp
@@ -221,15 +221,6 @@
     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;
@@ -248,9 +239,7 @@
         }
         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 b3a14e5..9c0ad7f 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;
@@ -114,11 +114,7 @@
     // 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(
@@ -360,7 +356,7 @@
                 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);
         }
@@ -395,12 +391,6 @@
             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..bf2b3fc 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
@@ -207,9 +177,14 @@
 
     /**
      * If fmqSettingsSize is zero, the settings buffer contains the capture and
-     * processing parameters for the physical device with id 'phyCamId'.
-     * In case the individual settings are empty or missing, Hal should fail the
-     * request and return Status::ILLEGAL_ARGUMENT.
+     * processing parameters for the physical device with id 'physicalCameraId'.
+     * As a special case, an empty settings buffer indicates that the
+     * settings are identical to the most-recently submitted capture request.
+     * An empty buffer cannot be used as the first submitted request after
+     * a configureStreams() call.
+     *
+     * This field must be used if fmqSettingsSize is zero. It must not be used
+     * if fmqSettingsSize is non-zero.
      */
     CameraMetadata settings;
 };
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/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index 1405ea9..e78dbe8 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -116,6 +116,7 @@
 const int64_t kTorchTimeoutSec = 1;
 const int64_t kEmptyFlushTimeoutMSec = 200;
 const char kDumpOutput[] = "/dev/null";
+const uint32_t kBurstFrameCount = 10;
 
 struct AvailableStream {
     int32_t width;
@@ -655,6 +656,13 @@
     static Status isLogicalMultiCamera(camera_metadata_t *staticMeta);
     static Status getPhysicalCameraIds(camera_metadata_t *staticMeta,
             std::unordered_set<std::string> *physicalIds/*out*/);
+    static Status getSupportedKeys(camera_metadata_t *staticMeta,
+            uint32_t tagId, std::unordered_set<int32_t> *requestIDs/*out*/);
+    static void constructFilteredSettings(const sp<ICameraDeviceSession>& session,
+            const std::unordered_set<int32_t>& availableKeys, RequestTemplate reqTemplate,
+            android::hardware::camera::common::V1_0::helper::CameraMetadata* defaultSettings/*out*/,
+            android::hardware::camera::common::V1_0::helper::CameraMetadata* filteredSettings
+            /*out*/);
     static Status pickConstrainedModeSize(camera_metadata_t *staticMeta,
             AvailableStream &hfrStream);
     static Status isZSLModeAvailable(camera_metadata_t *staticMeta);
@@ -712,6 +720,20 @@
         // return from HAL but framework.
         ::android::Vector<StreamBuffer> resultOutputBuffers;
 
+        InFlightRequest() :
+                shutterTimestamp(0),
+                errorCodeValid(false),
+                errorCode(ErrorCode::ERROR_BUFFER),
+                usePartialResult(false),
+                numPartialResults(0),
+                resultQueue(nullptr),
+                haveResultMetadata(false),
+                numBuffersLeft(0),
+                frameNumber(0),
+                partialResultCount(0),
+                errorStreamId(-1),
+                hasInputBuffer(false) {}
+
         InFlightRequest(ssize_t numBuffers, bool hasInput,
                 bool partialResults, uint32_t partialCount,
                 std::shared_ptr<ResultMetadataQueue> queue = nullptr) :
@@ -2748,42 +2770,23 @@
         castSession(session, deviceVersion, &session3_3, &session3_4);
         ASSERT_NE(session3_4, nullptr);
 
-        const android::hardware::camera::common::V1_0::helper::CameraMetadata staticMeta(
-                staticMetaBuffer);
-        camera_metadata_ro_entry availableSessionKeys = staticMeta.find(
-                ANDROID_REQUEST_AVAILABLE_SESSION_KEYS);
-        if (availableSessionKeys.count == 0) {
+        std::unordered_set<int32_t> availableSessionKeys;
+        auto rc = getSupportedKeys(staticMetaBuffer, ANDROID_REQUEST_AVAILABLE_SESSION_KEYS,
+                &availableSessionKeys);
+        ASSERT_TRUE(Status::OK == rc);
+        if (availableSessionKeys.empty()) {
+            free_camera_metadata(staticMetaBuffer);
             ret = session->close();
             ASSERT_TRUE(ret.isOk());
             continue;
         }
 
         android::hardware::camera::common::V1_0::helper::CameraMetadata previewRequestSettings;
-        ret = session->constructDefaultRequestSettings(RequestTemplate::PREVIEW,
-                [&previewRequestSettings] (auto status, const auto& req) mutable {
-                    ASSERT_EQ(Status::OK, status);
-
-                    const camera_metadata_t *metadata = reinterpret_cast<const camera_metadata_t*> (
-                            req.data());
-                    size_t expectedSize = req.size();
-                    int result = validate_camera_metadata_structure(metadata, &expectedSize);
-                    ASSERT_TRUE((result == 0) || (result == CAMERA_METADATA_VALIDATION_SHIFTED));
-
-                    size_t entryCount = get_camera_metadata_entry_count(metadata);
-                    ASSERT_GT(entryCount, 0u);
-                    previewRequestSettings = metadata;
-                    });
-        ASSERT_TRUE(ret.isOk());
-        const android::hardware::camera::common::V1_0::helper::CameraMetadata &constSettings =
-            previewRequestSettings;
         android::hardware::camera::common::V1_0::helper::CameraMetadata sessionParams;
-        for (size_t i = 0; i < availableSessionKeys.count; i++) {
-            camera_metadata_ro_entry entry = constSettings.find(availableSessionKeys.data.i32[i]);
-            if (entry.count > 0) {
-                sessionParams.update(entry);
-            }
-        }
+        constructFilteredSettings(session, availableSessionKeys, RequestTemplate::PREVIEW,
+                &previewRequestSettings, &sessionParams);
         if (sessionParams.isEmpty()) {
+            free_camera_metadata(staticMetaBuffer);
             ret = session->close();
             ASSERT_TRUE(ret.isOk());
             continue;
@@ -2817,7 +2820,7 @@
                 });
         ASSERT_TRUE(ret.isOk());
 
-        sessionParams.unlock(sessionParamsBuffer);
+        free_camera_metadata(staticMetaBuffer);
         ret = session->close();
         ASSERT_TRUE(ret.isOk());
     }
@@ -3350,6 +3353,8 @@
         if (deviceVersion < CAMERA_DEVICE_API_VERSION_3_4) {
             continue;
         }
+        std::string version, deviceId;
+        ASSERT_TRUE(::matchDeviceName(name, mProviderType, &version, &deviceId));
         camera_metadata_t* staticMeta;
         Return<void> ret;
         sp<ICameraDeviceSession> session;
@@ -3357,6 +3362,7 @@
 
         Status rc = isLogicalMultiCamera(staticMeta);
         if (Status::METHOD_NOT_SUPPORTED == rc) {
+            free_camera_metadata(staticMeta);
             ret = session->close();
             ASSERT_TRUE(ret.isOk());
             continue;
@@ -3366,13 +3372,45 @@
         ASSERT_TRUE(Status::OK == rc);
         ASSERT_TRUE(physicalIds.size() > 1);
 
+        std::unordered_set<int32_t> physicalRequestKeyIDs;
+        rc = getSupportedKeys(staticMeta,
+                ANDROID_REQUEST_AVAILABLE_PHYSICAL_CAMERA_REQUEST_KEYS, &physicalRequestKeyIDs);
+        ASSERT_TRUE(Status::OK == rc);
+        if (physicalRequestKeyIDs.empty()) {
+            free_camera_metadata(staticMeta);
+            ret = session->close();
+            ASSERT_TRUE(ret.isOk());
+            // The logical camera doesn't support any individual physical requests.
+            continue;
+        }
+
+        android::hardware::camera::common::V1_0::helper::CameraMetadata defaultPreviewSettings;
+        android::hardware::camera::common::V1_0::helper::CameraMetadata filteredSettings;
+        constructFilteredSettings(session, physicalRequestKeyIDs, RequestTemplate::PREVIEW,
+                &defaultPreviewSettings, &filteredSettings);
+        if (filteredSettings.isEmpty()) {
+            // No physical device settings in default request.
+            free_camera_metadata(staticMeta);
+            ret = session->close();
+            ASSERT_TRUE(ret.isOk());
+            continue;
+        }
+
+        const camera_metadata_t *settingsBuffer = defaultPreviewSettings.getAndLock();
+        settings.setToExternal(
+                reinterpret_cast<uint8_t *> (const_cast<camera_metadata_t *> (settingsBuffer)),
+                get_camera_metadata_size(settingsBuffer));
+
         free_camera_metadata(staticMeta);
         ret = session->close();
         ASSERT_TRUE(ret.isOk());
 
-        // Leave only 2 physical devices in the id set.
-        auto it = physicalIds.begin(); it++; it++;
-        physicalIds.erase(it, physicalIds.end());
+        auto it = physicalIds.begin();
+        string physicalDeviceId = *it;
+        // Leave only the first physical device in the id set and insert the logical device.
+        physicalIds.erase(++it, physicalIds.end());
+        physicalIds.emplace(deviceId);
+        ASSERT_EQ(physicalIds.size(), 2u);
 
         V3_4::HalStreamConfiguration halStreamConfig;
         bool supportsPartialResults = false;
@@ -3400,38 +3438,34 @@
                 });
         ASSERT_TRUE(resultQueueRet.isOk());
 
-        InFlightRequest inflightReq = {static_cast<ssize_t> (physicalIds.size()), false,
+        InFlightRequest inflightReq = {static_cast<ssize_t> (halStreamConfig.streams.size()), false,
             supportsPartialResults, partialResultCount, resultQueue};
 
-        RequestTemplate reqTemplate = RequestTemplate::PREVIEW;
-        ret = session3_4->constructDefaultRequestSettings(reqTemplate,
-                                                       [&](auto status, const auto& req) {
-                                                           ASSERT_EQ(Status::OK, status);
-                                                           settings = req;
-                                                       });
-        ASSERT_TRUE(ret.isOk());
-        ASSERT_TRUE(settings.size() > 0);
-
         std::vector<sp<GraphicBuffer>> graphicBuffers;
-        graphicBuffers.reserve(physicalIds.size());
+        graphicBuffers.reserve(halStreamConfig.streams.size());
         ::android::hardware::hidl_vec<StreamBuffer> outputBuffers;
-        outputBuffers.resize(physicalIds.size());
-        hidl_vec<V3_4::PhysicalCameraSetting> camSettings;
-        camSettings.resize(physicalIds.size());
+        outputBuffers.resize(halStreamConfig.streams.size());
         size_t k = 0;
-        for (const auto physicalIdIt : physicalIds) {
+        for (const auto& halStream : halStreamConfig.streams) {
             sp<GraphicBuffer> gb = new GraphicBuffer(previewStream.width, previewStream.height,
-                    static_cast<int32_t>(halStreamConfig.streams[k].v3_3.v3_2.overrideFormat), 1,
+                    static_cast<int32_t>(halStream.v3_3.v3_2.overrideFormat), 1,
                     android_convertGralloc1To0Usage(
-                        halStreamConfig.streams[k].v3_3.v3_2.producerUsage,
-                        halStreamConfig.streams[k].v3_3.v3_2.consumerUsage));
+                        halStream.v3_3.v3_2.producerUsage, halStream.v3_3.v3_2.consumerUsage));
             ASSERT_NE(nullptr, gb.get());
-            outputBuffers[k] = {halStreamConfig.streams[k].v3_3.v3_2.id, bufferId,
-                hidl_handle(gb->getNativeBuffer()->handle), BufferStatus::OK, nullptr, nullptr};
             graphicBuffers.push_back(gb);
-            camSettings[k] = {0, hidl_string(physicalIdIt), settings};
+            outputBuffers[k] = {halStream.v3_3.v3_2.id, bufferId,
+                hidl_handle(gb->getNativeBuffer()->handle), BufferStatus::OK, nullptr, nullptr};
+            bufferId++;
             k++;
         }
+        hidl_vec<V3_4::PhysicalCameraSetting> camSettings(1);
+        const camera_metadata_t *filteredSettingsBuffer = filteredSettings.getAndLock();
+        camSettings[0].settings.setToExternal(
+                reinterpret_cast<uint8_t *> (const_cast<camera_metadata_t *> (
+                        filteredSettingsBuffer)),
+                get_camera_metadata_size(filteredSettingsBuffer));
+        camSettings[0].fmqSettingsSize = 0;
+        camSettings[0].physicalCameraId = physicalDeviceId;
 
         StreamBuffer emptyInputBuffer = {-1, 0, nullptr, BufferStatus::ERROR, nullptr, nullptr};
         V3_4::CaptureRequest request = {{frameNumber, 0 /* fmqSettingsSize */, settings,
@@ -3468,24 +3502,49 @@
 
             ASSERT_FALSE(inflightReq.errorCodeValid);
             ASSERT_NE(inflightReq.resultOutputBuffers.size(), 0u);
+
+            request.v3_2.frameNumber++;
+            // Empty settings should be supported after the first call
+            // for repeating requests.
+            request.v3_2.settings.setToExternal(nullptr, 0, true);
+            request.physicalCameraSettings[0].settings.setToExternal(nullptr, 0, true);
+            // The buffer has been registered to HAL by bufferId, so per
+            // API contract we should send a null handle for this buffer
+            request.v3_2.outputBuffers[0].buffer = nullptr;
+            mInflightMap.clear();
+            inflightReq = {static_cast<ssize_t> (physicalIds.size()), false,
+                supportsPartialResults, partialResultCount, resultQueue};
+            mInflightMap.add(request.v3_2.frameNumber, &inflightReq);
         }
 
-        // Empty physical camera settings should fail process requests
-        camSettings[1].settings = emptySettings;
-        frameNumber++;
-        request = {{frameNumber, 0 /* fmqSettingsSize */, settings,
-            emptyInputBuffer, outputBuffers}, camSettings};
         returnStatus = session3_4->processCaptureRequest_3_4(
             {request}, cachesToRemove, [&stat, &numRequestProcessed](auto s, uint32_t n) {
                 stat = s;
                 numRequestProcessed = n;
             });
         ASSERT_TRUE(returnStatus.isOk());
-        ASSERT_EQ(Status::ILLEGAL_ARGUMENT, stat);
+        ASSERT_EQ(Status::OK, stat);
+        ASSERT_EQ(numRequestProcessed, 1u);
+
+        {
+            std::unique_lock<std::mutex> l(mLock);
+            while (!inflightReq.errorCodeValid &&
+                    ((0 < inflightReq.numBuffersLeft) ||
+                     (!inflightReq.haveResultMetadata))) {
+                auto timeout = std::chrono::system_clock::now() +
+                    std::chrono::seconds(kStreamBufferTimeoutSec);
+                ASSERT_NE(std::cv_status::timeout,
+                        mResultCondition.wait_until(l, timeout));
+            }
+
+            ASSERT_FALSE(inflightReq.errorCodeValid);
+            ASSERT_NE(inflightReq.resultOutputBuffers.size(), 0u);
+        }
 
         // Invalid physical camera id should fail process requests
-        camSettings[1].physicalCameraId = invalidPhysicalId;
-        camSettings[1].settings = settings;
+        frameNumber++;
+        camSettings[0].physicalCameraId = invalidPhysicalId;
+        camSettings[0].settings = settings;
         request = {{frameNumber, 0 /* fmqSettingsSize */, settings,
             emptyInputBuffer, outputBuffers}, camSettings};
         returnStatus = session3_4->processCaptureRequest_3_4(
@@ -3496,11 +3555,158 @@
         ASSERT_TRUE(returnStatus.isOk());
         ASSERT_EQ(Status::ILLEGAL_ARGUMENT, stat);
 
+        defaultPreviewSettings.unlock(settingsBuffer);
+        filteredSettings.unlock(filteredSettingsBuffer);
         ret = session3_4->close();
         ASSERT_TRUE(ret.isOk());
     }
 }
 
+// Generate and verify a burst containing alternating sensor sensitivity values
+TEST_F(CameraHidlTest, processCaptureRequestBurstISO) {
+    hidl_vec<hidl_string> cameraDeviceNames = getCameraDeviceNames(mProvider);
+    AvailableStream previewThreshold = {kMaxPreviewWidth, kMaxPreviewHeight,
+                                        static_cast<int32_t>(PixelFormat::IMPLEMENTATION_DEFINED)};
+    uint64_t bufferId = 1;
+    uint32_t frameNumber = 1;
+    ::android::hardware::hidl_vec<uint8_t> settings;
+
+    for (const auto& name : cameraDeviceNames) {
+        int deviceVersion = getCameraDeviceVersion(name, mProviderType);
+        if (deviceVersion == CAMERA_DEVICE_API_VERSION_1_0) {
+            continue;
+        } else if (deviceVersion <= 0) {
+            ALOGE("%s: Unsupported device version %d", __func__, deviceVersion);
+            ADD_FAILURE();
+            return;
+        }
+        camera_metadata_t* staticMetaBuffer;
+        Return<void> ret;
+        sp<ICameraDeviceSession> session;
+        openEmptyDeviceSession(name, mProvider, &session /*out*/, &staticMetaBuffer /*out*/);
+        ::android::hardware::camera::common::V1_0::helper::CameraMetadata staticMeta(
+                staticMetaBuffer);
+
+        camera_metadata_entry_t hwLevel = staticMeta.find(ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL);
+        ASSERT_TRUE(0 < hwLevel.count);
+        if (ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED == hwLevel.data.u8[0]) {
+            //Limited devices can skip this test
+            ret = session->close();
+            ASSERT_TRUE(ret.isOk());
+            continue;
+        }
+
+        camera_metadata_entry_t isoRange = staticMeta.find(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE);
+        ASSERT_EQ(isoRange.count, 2u);
+
+        ret = session->close();
+        ASSERT_TRUE(ret.isOk());
+
+        bool supportsPartialResults = false;
+        uint32_t partialResultCount = 0;
+        V3_2::Stream previewStream;
+        HalStreamConfiguration halStreamConfig;
+        configurePreviewStream(name, deviceVersion, mProvider, &previewThreshold,
+                &session /*out*/, &previewStream /*out*/, &halStreamConfig /*out*/,
+                &supportsPartialResults /*out*/, &partialResultCount /*out*/);
+        std::shared_ptr<ResultMetadataQueue> resultQueue;
+
+        auto resultQueueRet = session->getCaptureResultMetadataQueue(
+            [&resultQueue](const auto& descriptor) {
+                resultQueue = std::make_shared<ResultMetadataQueue>(descriptor);
+                if (!resultQueue->isValid() || resultQueue->availableToWrite() <= 0) {
+                    ALOGE("%s: HAL returns empty result metadata fmq,"
+                            " not use it", __func__);
+                    resultQueue = nullptr;
+                    // Don't use the queue onwards.
+                }
+            });
+        ASSERT_TRUE(resultQueueRet.isOk());
+        ASSERT_NE(nullptr, resultQueue);
+
+        ret = session->constructDefaultRequestSettings(RequestTemplate::PREVIEW,
+            [&](auto status, const auto& req) {
+                ASSERT_EQ(Status::OK, status);
+                settings = req; });
+        ASSERT_TRUE(ret.isOk());
+
+        ::android::hardware::camera::common::V1_0::helper::CameraMetadata requestMeta;
+        StreamBuffer emptyInputBuffer = {-1, 0, nullptr, BufferStatus::ERROR, nullptr, nullptr};
+        sp<GraphicBuffer> buffers[kBurstFrameCount];
+        StreamBuffer outputBuffers[kBurstFrameCount];
+        CaptureRequest requests[kBurstFrameCount];
+        InFlightRequest inflightReqs[kBurstFrameCount];
+        int32_t isoValues[kBurstFrameCount];
+        hidl_vec<uint8_t> requestSettings[kBurstFrameCount];
+        for (uint32_t i = 0; i < kBurstFrameCount; i++) {
+            std::unique_lock<std::mutex> l(mLock);
+
+            isoValues[i] = ((i % 2) == 0) ? isoRange.data.i32[0] : isoRange.data.i32[1];
+            buffers[i] = new GraphicBuffer( previewStream.width, previewStream.height,
+                static_cast<int32_t>(halStreamConfig.streams[0].overrideFormat), 1,
+                android_convertGralloc1To0Usage( halStreamConfig.streams[0].producerUsage,
+                    halStreamConfig.streams[0].consumerUsage));
+            ASSERT_NE(nullptr, buffers[i].get());
+
+            outputBuffers[i] = {halStreamConfig.streams[0].id, bufferId + i,
+                hidl_handle( buffers[i]->getNativeBuffer()->handle), BufferStatus::OK, nullptr,
+                nullptr};
+            requestMeta.append(reinterpret_cast<camera_metadata_t *> (settings.data()));
+
+            // Disable all 3A routines
+            uint8_t mode = static_cast<uint8_t>(ANDROID_CONTROL_MODE_OFF);
+            ASSERT_EQ(::android::OK, requestMeta.update(ANDROID_CONTROL_MODE, &mode, 1));
+            ASSERT_EQ(::android::OK, requestMeta.update(ANDROID_SENSOR_SENSITIVITY, &isoValues[i],
+                        1));
+            camera_metadata_t *metaBuffer = requestMeta.release();
+            requestSettings[i].setToExternal(reinterpret_cast<uint8_t *> (metaBuffer),
+                    get_camera_metadata_size(metaBuffer), true);
+
+            requests[i] = {frameNumber + i, 0 /* fmqSettingsSize */, requestSettings[i],
+                emptyInputBuffer, {outputBuffers[i]}};
+
+            inflightReqs[i] = {1, false, supportsPartialResults, partialResultCount, resultQueue};
+            mInflightMap.add(frameNumber + i, &inflightReqs[i]);
+        }
+
+        Status status = Status::INTERNAL_ERROR;
+        uint32_t numRequestProcessed = 0;
+        hidl_vec<BufferCache> cachesToRemove;
+        hidl_vec<CaptureRequest> burstRequest;
+        burstRequest.setToExternal(requests, kBurstFrameCount);
+        Return<void> returnStatus = session->processCaptureRequest(burstRequest, cachesToRemove,
+                [&status, &numRequestProcessed] (auto s, uint32_t n) {
+                    status = s;
+                    numRequestProcessed = n;
+                });
+        ASSERT_TRUE(returnStatus.isOk());
+        ASSERT_EQ(Status::OK, status);
+        ASSERT_EQ(numRequestProcessed, kBurstFrameCount);
+
+        for (size_t i = 0; i < kBurstFrameCount; i++) {
+            std::unique_lock<std::mutex> l(mLock);
+            while (!inflightReqs[i].errorCodeValid && ((0 < inflightReqs[i].numBuffersLeft) ||
+                            (!inflightReqs[i].haveResultMetadata))) {
+                auto timeout = std::chrono::system_clock::now() +
+                        std::chrono::seconds(kStreamBufferTimeoutSec);
+                ASSERT_NE(std::cv_status::timeout, mResultCondition.wait_until(l, timeout));
+            }
+
+            ASSERT_FALSE(inflightReqs[i].errorCodeValid);
+            ASSERT_NE(inflightReqs[i].resultOutputBuffers.size(), 0u);
+            ASSERT_EQ(previewStream.id, inflightReqs[i].resultOutputBuffers[0].streamId);
+            ASSERT_FALSE(inflightReqs[i].collectedResult.isEmpty());
+            ASSERT_TRUE(inflightReqs[i].collectedResult.exists(ANDROID_SENSOR_SENSITIVITY));
+            camera_metadata_entry_t isoResult = inflightReqs[i].collectedResult.find(
+                    ANDROID_SENSOR_SENSITIVITY);
+            ASSERT_TRUE(isoResult.data.i32[0] == isoValues[i]);
+        }
+
+        ret = session->close();
+        ASSERT_TRUE(ret.isOk());
+    }
+}
+
 // Test whether an incorrect capture request with missing settings will
 // be reported correctly.
 TEST_F(CameraHidlTest, processCaptureRequestInvalidSinglePreview) {
@@ -3901,6 +4107,56 @@
     return Status::OK;
 }
 
+// Generate a set of suported camera key ids.
+Status CameraHidlTest::getSupportedKeys(camera_metadata_t *staticMeta,
+        uint32_t tagId, std::unordered_set<int32_t> *requestIDs) {
+    if ((nullptr == staticMeta) || (nullptr == requestIDs)) {
+        return Status::ILLEGAL_ARGUMENT;
+    }
+
+    camera_metadata_ro_entry entry;
+    int rc = find_camera_metadata_ro_entry(staticMeta, tagId, &entry);
+    if ((0 != rc) || (entry.count == 0)) {
+        return Status::OK;
+    }
+
+    requestIDs->insert(entry.data.i32, entry.data.i32 + entry.count);
+
+    return Status::OK;
+}
+
+void CameraHidlTest::constructFilteredSettings(const sp<ICameraDeviceSession>& session,
+        const std::unordered_set<int32_t>& availableKeys, RequestTemplate reqTemplate,
+        android::hardware::camera::common::V1_0::helper::CameraMetadata* defaultSettings,
+        android::hardware::camera::common::V1_0::helper::CameraMetadata* filteredSettings) {
+    ASSERT_NE(defaultSettings, nullptr);
+    ASSERT_NE(filteredSettings, nullptr);
+
+    auto ret = session->constructDefaultRequestSettings(reqTemplate,
+            [&defaultSettings] (auto status, const auto& req) mutable {
+                ASSERT_EQ(Status::OK, status);
+
+                const camera_metadata_t *metadata = reinterpret_cast<const camera_metadata_t*> (
+                        req.data());
+                size_t expectedSize = req.size();
+                int result = validate_camera_metadata_structure(metadata, &expectedSize);
+                ASSERT_TRUE((result == 0) || (result == CAMERA_METADATA_VALIDATION_SHIFTED));
+
+                size_t entryCount = get_camera_metadata_entry_count(metadata);
+                ASSERT_GT(entryCount, 0u);
+                *defaultSettings = metadata;
+                });
+    ASSERT_TRUE(ret.isOk());
+    const android::hardware::camera::common::V1_0::helper::CameraMetadata &constSettings =
+        *defaultSettings;
+    for (const auto& keyIt : availableKeys) {
+        camera_metadata_ro_entry entry = constSettings.find(keyIt);
+        if (entry.count > 0) {
+            filteredSettings->update(entry);
+        }
+    }
+}
+
 // Check if constrained mode is supported by using the static
 // camera characteristics.
 Status CameraHidlTest::isConstrainedModeAvailable(camera_metadata_t *staticMeta) {
diff --git a/cas/1.0/vts/functional/Android.bp b/cas/1.0/vts/functional/Android.bp
index e1e09e9..0db9bb0 100644
--- a/cas/1.0/vts/functional/Android.bp
+++ b/cas/1.0/vts/functional/Android.bp
@@ -23,6 +23,7 @@
         "android.hardware.cas.native@1.0",
         "android.hidl.allocator@1.0",
         "android.hidl.memory@1.0",
+        "libhidlallocatorutils",
         "libhidlmemory",
     ],
     shared_libs: [
diff --git a/cas/1.0/vts/functional/VtsHalCasV1_0TargetTest.cpp b/cas/1.0/vts/functional/VtsHalCasV1_0TargetTest.cpp
index 193253a..14b8bbd 100644
--- a/cas/1.0/vts/functional/VtsHalCasV1_0TargetTest.cpp
+++ b/cas/1.0/vts/functional/VtsHalCasV1_0TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "mediacas_hidl_hal_test"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/cas/1.0/ICas.h>
 #include <android/hardware/cas/1.0/ICasListener.h>
@@ -29,6 +30,7 @@
 #include <hidl/HidlSupport.h>
 #include <hidl/HidlTransportSupport.h>
 #include <hidl/Status.h>
+#include <hidlmemory/FrameworkUtils.h>
 #include <utils/Condition.h>
 #include <utils/Mutex.h>
 
@@ -52,6 +54,7 @@
 using android::hardware::cas::V1_0::ICas;
 using android::hardware::cas::V1_0::ICasListener;
 using android::hardware::cas::V1_0::IDescramblerBase;
+using android::hardware::cas::V1_0::Status;
 using android::hardware::cas::native::V1_0::IDescrambler;
 using android::hardware::cas::native::V1_0::SubSample;
 using android::hardware::cas::native::V1_0::SharedBuffer;
@@ -60,13 +63,12 @@
 using android::hardware::cas::native::V1_0::ScramblingControl;
 using android::hardware::cas::V1_0::IMediaCasService;
 using android::hardware::cas::V1_0::HidlCasPluginDescriptor;
-using android::hardware::Void;
+using android::hardware::fromHeap;
 using android::hardware::hidl_vec;
 using android::hardware::hidl_string;
-using android::hardware::hidl_handle;
-using android::hardware::hidl_memory;
+using android::hardware::HidlMemory;
 using android::hardware::Return;
-using android::hardware::cas::V1_0::Status;
+using android::hardware::Void;
 using android::IMemory;
 using android::IMemoryHeap;
 using android::MemoryDealer;
@@ -206,10 +208,23 @@
     EXPECT_TRUE(mEventData == eventData);
 }
 
+// Test environment for Cas HIDL HAL.
+class CasHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static CasHidlEnvironment* Instance() {
+        static CasHidlEnvironment* instance = new CasHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IMediaCasService>(); }
+};
+
 class MediaCasHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        mService = ::testing::VtsHalHidlTargetTestBase::getService<IMediaCasService>();
+        mService = ::testing::VtsHalHidlTargetTestBase::getService<IMediaCasService>(
+            CasHidlEnvironment::Instance()->getServiceName<IMediaCasService>());
         ASSERT_NE(mService, nullptr);
     }
 
@@ -301,7 +316,7 @@
     }
     *inMemory = mem;
 
-    // build hidl_memory from memory heap
+    // build HidlMemory from memory heap
     ssize_t offset;
     size_t size;
     sp<IMemoryHeap> heap = mem->getMemory(&offset, &size);
@@ -310,18 +325,14 @@
         return ::testing::AssertionFailure();
     }
 
-    native_handle_t* nativeHandle = native_handle_create(1, 0);
-    if (!nativeHandle) {
-        ALOGE("failed to create native handle!");
-        return ::testing::AssertionFailure();
-    }
-    nativeHandle->data[0] = heap->getHeapID();
-
     uint8_t* ipBuffer = static_cast<uint8_t*>(static_cast<void*>(mem->pointer()));
     memcpy(ipBuffer, kInBinaryBuffer, sizeof(kInBinaryBuffer));
 
+    // hidlMemory is not to be passed out of scope!
+    sp<HidlMemory> hidlMemory = fromHeap(heap);
+
     SharedBuffer srcBuffer = {
-            .heapBase = hidl_memory("ashmem", hidl_handle(nativeHandle), heap->getSize()),
+            .heapBase = *hidlMemory,
             .offset = (uint64_t) offset,
             .size = (uint64_t) size
     };
@@ -366,7 +377,7 @@
         return ::testing::AssertionFailure();
     }
 
-    // build hidl_memory from memory heap
+    // build HidlMemory from memory heap
     ssize_t offset;
     size_t size;
     sp<IMemoryHeap> heap = mem->getMemory(&offset, &size);
@@ -375,15 +386,11 @@
         return ::testing::AssertionFailure();
     }
 
-    native_handle_t* nativeHandle = native_handle_create(1, 0);
-    if (!nativeHandle) {
-        ALOGE("failed to create native handle!");
-        return ::testing::AssertionFailure();
-    }
-    nativeHandle->data[0] = heap->getHeapID();
+    // hidlMemory is not to be passed out of scope!
+    sp<HidlMemory> hidlMemory = fromHeap(heap);
 
     SharedBuffer srcBuffer = {
-            .heapBase = hidl_memory("ashmem", hidl_handle(nativeHandle), heap->getSize()),
+            .heapBase = *hidlMemory,
             .offset = (uint64_t) offset + params.imemOffset,
             .size = (uint64_t) params.imemSize,
     };
@@ -843,7 +850,9 @@
 }  // anonymous namespace
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(CasHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    CasHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
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/contexthub/1.0/vts/functional/VtsHalContexthubV1_0TargetTest.cpp b/contexthub/1.0/vts/functional/VtsHalContexthubV1_0TargetTest.cpp
index 5672824..7492152 100644
--- a/contexthub/1.0/vts/functional/VtsHalContexthubV1_0TargetTest.cpp
+++ b/contexthub/1.0/vts/functional/VtsHalContexthubV1_0TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "contexthub_hidl_hal_test"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/contexthub/1.0/IContexthub.h>
 #include <android/hardware/contexthub/1.0/IContexthubCallback.h>
@@ -92,12 +93,27 @@
   return hubIds;
 }
 
+// Test environment for Contexthub HIDL HAL.
+class ContexthubHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static ContexthubHidlEnvironment* Instance() {
+    static ContexthubHidlEnvironment* instance = new ContexthubHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IContexthub>(); }
+ private:
+  ContexthubHidlEnvironment() {}
+};
+
 // Base test fixture that initializes the HAL and makes the context hub API
 // handle available
 class ContexthubHidlTestBase : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    hubApi = ::testing::VtsHalHidlTargetTestBase::getService<IContexthub>();
+    hubApi = ::testing::VtsHalHidlTargetTestBase::getService<IContexthub>(
+        ContexthubHidlEnvironment::Instance()->getServiceName<IContexthub>());
     ASSERT_NE(hubApi, nullptr);
 
     // getHubs() must be called at least once for proper initialization of the
@@ -381,7 +397,11 @@
 } // anonymous namespace
 
 int main(int argc, char **argv) {
+  ::testing::AddGlobalTestEnvironment(ContexthubHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
+  ContexthubHidlEnvironment::Instance()->init(&argc, argv);
+  int status = RUN_ALL_TESTS();
+  ALOGI ("Test result = %d", status);
+  return status;
 }
 
diff --git a/current.txt b/current.txt
index a5ab307..de2511e 100644
--- a/current.txt
+++ b/current.txt
@@ -255,4 +255,5 @@
 fb92e2b40f8e9d494e8fd3b4ac18499a3216342e7cff160714c3bbf3660b6e79 android.hardware.gnss@1.0::IGnssConfiguration
 251594ea9b27447bfa005ebd806e58fb0ae4aad84a69938129c9800ec0c64eda android.hardware.gnss@1.0::IGnssMeasurementCallback
 4e7169919d24fbe5573e5bcd683d0bd7abf553a4e6c34c41f9dfc1e12050db07 android.hardware.gnss@1.0::IGnssNavigationMessageCallback
+0e6e80ddd5c312726e20b003af438325a2d7c305a60a8c8d8e229df2306d50df android.hardware.radio@1.0::types
 b280c4704dfcc548a9bf127b59b7c3578f460c50cce70a06b66fe0df8b27cff0 android.hardware.wifi@1.0::types
diff --git a/drm/1.0/vts/functional/drm_hal_vendor_test.cpp b/drm/1.0/vts/functional/drm_hal_vendor_test.cpp
index 47c6950..d03b2af 100644
--- a/drm/1.0/vts/functional/drm_hal_vendor_test.cpp
+++ b/drm/1.0/vts/functional/drm_hal_vendor_test.cpp
@@ -97,6 +97,27 @@
 
 static drm_vts::VendorModules* gVendorModules = nullptr;
 
+// Test environment for drm
+class DrmHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static DrmHidlEnvironment* Instance() {
+        static DrmHidlEnvironment* instance = new DrmHidlEnvironment;
+        return instance;
+    }
+
+    void registerTestServices() override {
+        registerTestService<ICryptoFactory>();
+        registerTestService<IDrmFactory>();
+        setServiceCombMode(::testing::HalServiceCombMode::NO_COMBINATION);
+    }
+
+   private:
+    DrmHidlEnvironment() {}
+
+    GTEST_DISALLOW_COPY_AND_ASSIGN_(DrmHidlEnvironment);
+};
+
 class DrmHalVendorFactoryTest : public testing::TestWithParam<std::string> {
    public:
     DrmHalVendorFactoryTest()
@@ -1598,6 +1619,10 @@
         std::cerr << "WARNING: No vendor modules found in " << kModulePath <<
                 ", all vendor tests will be skipped" << std::endl;
     }
+    ::testing::AddGlobalTestEnvironment(DrmHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
+    DrmHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
 }
diff --git a/drm/1.1/IDrmPlugin.hal b/drm/1.1/IDrmPlugin.hal
index 7dd397a..2980dc2 100644
--- a/drm/1.1/IDrmPlugin.hal
+++ b/drm/1.1/IDrmPlugin.hal
@@ -26,6 +26,7 @@
 import @1.0::SecureStopId;
 import @1.1::SecureStopRelease;
 import @1.1::SecurityLevel;
+import @1.0::SessionId;
 
 /**
  * IDrmPlugin is used to interact with a specific drm plugin that was created by
@@ -34,6 +35,34 @@
  */
 interface IDrmPlugin extends @1.0::IDrmPlugin {
     /**
+     * Open a new session at a requested security level. The security level
+     * represents the robustness of the device's DRM implementation. By default,
+     * sessions are opened at the native security level of the device which is
+     * the maximum level that can be supported. Overriding the security level is
+     * necessary when the decrypted frames need to be manipulated, such as for
+     * image compositing. The security level parameter must be equal to or lower
+     * than the native level. If the requested level is not supported, the next
+     * lower supported security level must be set. The level can be queried
+     * using {@link #getSecurityLevel}. A session ID is returned.  When the
+     * drm@1.0 openSession is called, which has no securityLevel parameter, the
+     * security level is defaulted to the native security level of the device.
+     *
+     * @return status the status of the call. The status must be OK or one of
+     *     the following errors: ERROR_DRM_NOT_PROVISIONED if the device
+     *     requires provisioning before it can open a session,
+     *     ERROR_DRM_RESOURCE_BUSY if there are insufficent resources available
+     *     to open a session, ERROR_DRM_CANNOT_HANDLE if the requested security
+     *     level is higher than the native level or lower than the lowest
+     *     supported level or if openSession is not supported at the time of
+     *     the call, or ERROR_DRM_INVALID_STATE if the HAL is in a state where
+     *     a session cannot be opened.
+     * @param level the requested security level
+     * @return sessionId the session ID for the newly opened session
+     */
+    openSession_1_1(SecurityLevel securityLevel) generates (Status status,
+            SessionId sessionId);
+
+    /**
      * A key request/response exchange occurs between the app and a License
      * Server to obtain the keys required to decrypt the content.
      * getKeyRequest_1_1() is used to obtain an opaque key request blob that is
@@ -149,24 +178,6 @@
             SecurityLevel level);
 
     /**
-     * Set the security level of a session. This can be useful if specific
-     * attributes of a lower security level are needed by an application, such
-     * as image manipulation or compositing which requires non-secure decoded
-     * frames. Reducing the security level may limit decryption to lower content
-     * resolutions, depending on the license policy.
-     *
-     * @param sessionId the session id the call applies to
-     * @param level the requested security level
-     * @return status the status of the call. The status must be OK or one of
-     *         the following errors: ERROR_DRM_SESSION_NOT_OPENED if the session
-     *         is not opened, BAD_VALUE if the sessionId or security level is
-     *         invalid or ERROR_DRM_INVALID_STATE if the HAL is in a state where
-     *         the security level cannot be set.
-     */
-    setSecurityLevel(vec<uint8_t> sessionId, SecurityLevel level)
-            generates(Status status);
-
-    /**
      * Returns the plugin-specific metrics. Multiple metric groups may be
      * returned in one call to getMetrics(). The scope and definition of the
      * metrics is defined by the plugin.
diff --git a/drm/1.1/vts/functional/drm_hal_clearkey_test.cpp b/drm/1.1/vts/functional/drm_hal_clearkey_test.cpp
index 62cc8b6..061f2cd 100644
--- a/drm/1.1/vts/functional/drm_hal_clearkey_test.cpp
+++ b/drm/1.1/vts/functional/drm_hal_clearkey_test.cpp
@@ -106,6 +106,12 @@
 
     virtual void HidlTearDown() override { ALOGI("TearDown DrmHidlEnvironment"); }
 
+    void registerTestServices() override {
+        registerTestService<ICryptoFactory>();
+        registerTestService<IDrmFactory>();
+        setServiceCombMode(::testing::HalServiceCombMode::NO_COMBINATION);
+    }
+
    private:
     DrmHidlEnvironment() {}
 
@@ -158,6 +164,7 @@
     virtual void TearDown() override {}
 
     SessionId openSession();
+    SessionId openSession(SecurityLevel level);
     void closeSession(const SessionId& sessionId);
     hidl_vec<uint8_t> loadKeys(const SessionId& sessionId, const KeyType& type);
     sp<IMemory> getDecryptMemory(size_t size, size_t index);
@@ -277,6 +284,23 @@
 }
 
 /**
+ * Helper method to open as session using V1.1 API
+ */
+SessionId DrmHalClearkeyTest::openSession(SecurityLevel level) {
+    SessionId sessionId;
+
+    auto res = drmPlugin->openSession_1_1(level,
+            [&sessionId](Status status, const SessionId& id) {
+                EXPECT_EQ(Status::OK, status);
+                EXPECT_NE(0u, id.size());
+                sessionId = id;
+            });
+    EXPECT_OK(res);
+    return sessionId;
+}
+
+
+/**
  * Helper method to close a session
  */
 void DrmHalClearkeyTest::closeSession(const SessionId& sessionId) {
@@ -298,14 +322,14 @@
 }
 
 /**
- * Test that the plugin returns valid open and max session counts
+ * Test that the plugin returns default open and max session counts
  */
-TEST_F(DrmHalClearkeyTest, GetSessionCounts) {
+TEST_F(DrmHalClearkeyTest, GetDefaultSessionCounts) {
     auto res = drmPlugin->getNumberOfSessions(
             [&](Status status, uint32_t currentSessions,
                     uint32_t maxSessions) {
                 EXPECT_EQ(Status::OK, status);
-                EXPECT_GT(maxSessions, (uint32_t)0);
+                EXPECT_GE(maxSessions, (uint32_t)8);
                 EXPECT_GE(currentSessions, (uint32_t)0);
                 EXPECT_LE(currentSessions, maxSessions);
             });
@@ -313,16 +337,76 @@
 }
 
 /**
- * Test that the plugin returns a valid security level for
- * a valid session
+ * Test that the plugin returns valid open and max session counts
+ * after a session is opened.
  */
-TEST_F(DrmHalClearkeyTest, GetSecurityLevel) {
+TEST_F(DrmHalClearkeyTest, GetOpenSessionCounts) {
+    uint32_t initialSessions = 0;
+    auto res = drmPlugin->getNumberOfSessions(
+            [&](Status status, uint32_t currentSessions,
+                    uint32_t maxSessions) {
+                EXPECT_EQ(Status::OK, status);
+                EXPECT_GE(maxSessions, (uint32_t)8);
+                EXPECT_GE(currentSessions, (uint32_t)0);
+                EXPECT_LE(currentSessions, maxSessions);
+                initialSessions = currentSessions;
+            });
+    EXPECT_OK(res);
+
     SessionId session = openSession();
+    res = drmPlugin->getNumberOfSessions(
+            [&](Status status, uint32_t currentSessions,
+                    uint32_t /*maxSessions*/) {
+                EXPECT_EQ(Status::OK, status);
+                EXPECT_EQ(currentSessions, initialSessions + 1);
+            });
+    EXPECT_OK(res);
+
+    closeSession(session);
+    res = drmPlugin->getNumberOfSessions(
+            [&](Status status, uint32_t currentSessions,
+                    uint32_t /*maxSessions*/) {
+                EXPECT_EQ(Status::OK, status);
+                EXPECT_EQ(currentSessions, initialSessions);
+            });
+    EXPECT_OK(res);
+}
+
+/**
+ * Test that the plugin returns the same security level
+ * by default as when it is requested explicitly
+ */
+TEST_F(DrmHalClearkeyTest, GetDefaultSecurityLevel) {
+    SessionId session = openSession();
+    SecurityLevel defaultLevel;
     auto res = drmPlugin->getSecurityLevel(session,
             [&](Status status, SecurityLevel level) {
                 EXPECT_EQ(Status::OK, status);
-                EXPECT_GE(level, SecurityLevel::SW_SECURE_CRYPTO);
-                EXPECT_LE(level, SecurityLevel::HW_SECURE_ALL);
+                defaultLevel = level;
+            });
+    EXPECT_OK(res);
+    closeSession(session);
+
+    session = openSession(defaultLevel);
+    res = drmPlugin->getSecurityLevel(session,
+            [&](Status status, SecurityLevel level) {
+                EXPECT_EQ(Status::OK, status);
+                EXPECT_EQ(level, defaultLevel);
+            });
+    EXPECT_OK(res);
+    closeSession(session);
+}
+
+/**
+ * Test that the plugin returns the lowest security level
+ * when it is requested
+ */
+TEST_F(DrmHalClearkeyTest, GetSecurityLevel) {
+    SessionId session = openSession(SecurityLevel::SW_SECURE_CRYPTO);
+    auto res = drmPlugin->getSecurityLevel(session,
+            [&](Status status, SecurityLevel level) {
+                EXPECT_EQ(Status::OK, status);
+                EXPECT_EQ(level, SecurityLevel::SW_SECURE_CRYPTO);
             });
     EXPECT_OK(res);
     closeSession(session);
@@ -342,51 +426,6 @@
 }
 
 /**
- * Test that setting all valid security levels on a valid sessionId
- * is supported
- */
-TEST_F(DrmHalClearkeyTest, SetSecurityLevel) {
-    SessionId session = openSession();
-    for (uint32_t level = static_cast<uint32_t>(SecurityLevel::SW_SECURE_CRYPTO);
-         level <= static_cast<uint32_t>(SecurityLevel::HW_SECURE_ALL); level++) {
-        EXPECT_EQ(Status::OK, drmPlugin->setSecurityLevel(session, static_cast<SecurityLevel>(level)));
-
-        // check that the level got set
-        auto res = drmPlugin->getSecurityLevel(session,
-                [&](Status status, SecurityLevel readLevel) {
-                    EXPECT_EQ(Status::OK, status);
-                    EXPECT_EQ(level, static_cast<uint32_t>(readLevel));
-                });
-        EXPECT_OK(res);
-    }
-    closeSession(session);
-}
-
-/**
- * Test that setting an invalid security level on a valid
- * sessionId is prohibited with the documented error code.
- */
-TEST_F(DrmHalClearkeyTest, SetInvalidSecurityLevel) {
-    SessionId session = openSession();
-    SecurityLevel level = static_cast<SecurityLevel>(
-            static_cast<uint32_t>(SecurityLevel::HW_SECURE_ALL) + 1);
-    Status status = drmPlugin->setSecurityLevel(session, level);
-    EXPECT_EQ(Status::BAD_VALUE, status);
-    closeSession(session);
-}
-
-/**
- * Test that attempting to set security level on an invalid
- * (empty) sessionId is prohibited with the documented error
- * code.
- */
-TEST_F(DrmHalClearkeyTest, SetSecurityLevelInvalidSessionId) {
-    SessionId session;
-    SecurityLevel level = SecurityLevel::SW_SECURE_CRYPTO;
-    EXPECT_EQ(Status::BAD_VALUE, drmPlugin->setSecurityLevel(session, level));
-}
-
-/**
  * Test metrics are set appropriately for open and close operations.
  */
 TEST_F(DrmHalClearkeyTest, GetMetricsSuccess) {
diff --git a/dumpstate/1.0/vts/functional/VtsHalDumpstateV1_0TargetTest.cpp b/dumpstate/1.0/vts/functional/VtsHalDumpstateV1_0TargetTest.cpp
index 9e866e7..57ebf2a 100644
--- a/dumpstate/1.0/vts/functional/VtsHalDumpstateV1_0TargetTest.cpp
+++ b/dumpstate/1.0/vts/functional/VtsHalDumpstateV1_0TargetTest.cpp
@@ -24,15 +24,29 @@
 #include <log/log.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::dumpstate::V1_0::IDumpstateDevice;
 using ::android::hardware::Return;
 using ::android::sp;
 
+// Test environment for Dumpstate HIDL HAL.
+class DumpstateHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static DumpstateHidlEnvironment* Instance() {
+        static DumpstateHidlEnvironment* instance = new DumpstateHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IDumpstateDevice>(); }
+};
+
 class DumpstateHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        dumpstate = ::testing::VtsHalHidlTargetTestBase::getService<IDumpstateDevice>();
+        dumpstate = ::testing::VtsHalHidlTargetTestBase::getService<IDumpstateDevice>(
+            DumpstateHidlEnvironment::Instance()->getServiceName<IDumpstateDevice>());
         ASSERT_NE(dumpstate, nullptr) << "Could not get HIDL instance";
     }
 
@@ -98,7 +112,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(DumpstateHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    DumpstateHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", 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/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp b/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp
index b3ab594..010a46d 100644
--- a/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp
+++ b/gnss/1.0/vts/functional/VtsHalGnssV1_0TargetTest.cpp
@@ -19,6 +19,7 @@
 #include <log/log.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #include <chrono>
 #include <condition_variable>
@@ -41,6 +42,21 @@
 bool sAgpsIsPresent = false;  // if SUPL or XTRA assistance available
 bool sSignalIsWeak = false;   // if GNSS signals are weak (e.g. light indoor)
 
+// Test environment for GNSS HIDL HAL.
+class GnssHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static GnssHidlEnvironment* Instance() {
+    static GnssHidlEnvironment* instance = new GnssHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IGnss>(); }
+
+ private:
+  GnssHidlEnvironment() {}
+};
+
 // The main test class for GNSS HAL.
 class GnssHalTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
@@ -51,7 +67,8 @@
     info_called_count_ = 0;
     notify_count_ = 0;
 
-    gnss_hal_ = ::testing::VtsHalHidlTargetTestBase::getService<IGnss>();
+    gnss_hal_ = ::testing::VtsHalHidlTargetTestBase::getService<IGnss>(
+        GnssHidlEnvironment::Instance()->getServiceName<IGnss>());
     ASSERT_NE(gnss_hal_, nullptr);
 
     gnss_cb_ = new GnssCallback(*this);
@@ -456,17 +473,19 @@
 }
 
 int main(int argc, char** argv) {
+  ::testing::AddGlobalTestEnvironment(GnssHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  GnssHidlEnvironment::Instance()->init(&argc, argv);
   /*
    * These arguments not used by automated VTS testing.
    * Only for use in manual testing, when wanting to run
    * stronger tests that require the presence of GPS signal.
    */
   for (int i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-agps") == 0) {
-          sAgpsIsPresent = true;
-      } else if (strcmp(argv[i], "-weak") == 0) {
-          sSignalIsWeak = true;
+    if (strcmp(argv[i], "-agps") == 0) {
+        sAgpsIsPresent = true;
+    } else if (strcmp(argv[i], "-weak") == 0) {
+        sSignalIsWeak = true;
     }
   }
   int status = RUN_ALL_TESTS();
diff --git a/gnss/1.1/Android.bp b/gnss/1.1/Android.bp
index 417b4f5..4ae4439 100644
--- a/gnss/1.1/Android.bp
+++ b/gnss/1.1/Android.bp
@@ -11,6 +11,7 @@
         "IGnssCallback.hal",
         "IGnssConfiguration.hal",
         "IGnssMeasurement.hal",
+        "IGnssMeasurementCallback.hal",
     ],
     interfaces: [
         "android.hardware.gnss@1.0",
diff --git a/gnss/1.1/IGnssMeasurement.hal b/gnss/1.1/IGnssMeasurement.hal
index 75df5a8..cd83ae3 100644
--- a/gnss/1.1/IGnssMeasurement.hal
+++ b/gnss/1.1/IGnssMeasurement.hal
@@ -17,7 +17,7 @@
 package android.hardware.gnss@1.1;
 
 import @1.0::IGnssMeasurement;
-import @1.0::IGnssMeasurementCallback;
+import IGnssMeasurementCallback;
 
 /**
  * Extended interface for GNSS Measurements support.
diff --git a/gnss/1.1/IGnssMeasurementCallback.hal b/gnss/1.1/IGnssMeasurementCallback.hal
new file mode 100644
index 0000000..5a60a56
--- /dev/null
+++ b/gnss/1.1/IGnssMeasurementCallback.hal
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.gnss@1.1;
+
+import @1.0::IGnssMeasurementCallback;
+
+/** The callback interface to report measurements from the HAL. */
+interface IGnssMeasurementCallback extends @1.0::IGnssMeasurementCallback {
+    /**
+     * Flags indicating the Accumulated Delta Range's states.
+     */
+    enum GnssAccumulatedDeltaRangeState
+            : @1.0::IGnssMeasurementCallback.GnssAccumulatedDeltaRangeState {
+        ADR_STATE_HALF_CYCLE_RESOLVED = 1 << 3, // Carrier-phase half-cycle ambiguity resolved
+    };
+
+    /**
+     * Extends a GNSS Measurement, adding the new enum.
+     */
+    struct GnssMeasurement {
+        /**
+         * GNSS measurement information for a single satellite and frequency, as in the 1.0
+         * version of the HAL.
+         *
+         * In this version of the HAL, these fields of the
+         * @1.0::IGnssMeasurementCallback.GnssMeasurement v1_0 struct are deprecated, and
+         * are no longer used by the framework:
+         *   carrierCycles
+         *   carrierPhase
+         *   carrierPhaseUncertainty
+         *
+         * Similar information about carrier phase signal tracking is still reported in these
+         * fields of @1.0::IGnssMeasurementCallback.GnssMeasurement v1_0:
+         *   accumulatedDeltaRangeM
+         *   accumulatedDeltaRangeUncertaintyM
+         */
+        @1.0::IGnssMeasurementCallback.GnssMeasurement v1_0;
+
+        /**
+         * Provides the state of Accumulated Delta Range values, including additional information
+         * beyond version 1.0 of the HAL.  See GnssAccumulatedDeltaRangeState.
+         *
+         * In this (1.1) version of the HAL, this value is used by the framework, not the
+         * value provided by v1_0.accumulatedDeltaRangeState.
+         */
+        bitfield<GnssAccumulatedDeltaRangeState> accumulatedDeltaRangeState;
+    };
+
+    /**
+     * Complete set of GNSS Measurement data, same as 1.0 with additional enum in measurements.
+     */
+    struct GnssData {
+        /** The full set of satellite measurement observations. */
+        vec<GnssMeasurement> measurements;
+
+        /** The GNSS clock time reading. */
+        GnssClock clock;
+    };
+
+    /**
+     * Callback for the hal to pass a GnssData structure back to the client.
+     *
+     * @param data Contains a reading of GNSS measurements.
+     */
+    gnssMeasurementCb(GnssData data);
+};
diff --git a/gnss/1.1/vts/functional/VtsHalGnssV1_1TargetTest.cpp b/gnss/1.1/vts/functional/VtsHalGnssV1_1TargetTest.cpp
index 9b805e4..ca9eef4 100644
--- a/gnss/1.1/vts/functional/VtsHalGnssV1_1TargetTest.cpp
+++ b/gnss/1.1/vts/functional/VtsHalGnssV1_1TargetTest.cpp
@@ -13,12 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#define LOG_TAG "VtsHalGnssV1_1TargetTest"
 
 #include <VtsHalHidlTargetTestBase.h>
 
+#include "gnss_hal_test.h"
+
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(GnssHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    GnssHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
     return status;
-}
\ No newline at end of file
+}
diff --git a/gnss/1.1/vts/functional/gnss_hal_test.cpp b/gnss/1.1/vts/functional/gnss_hal_test.cpp
index 7e43b92..23b7317 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test.cpp
+++ b/gnss/1.1/vts/functional/gnss_hal_test.cpp
@@ -27,7 +27,8 @@
       notify_count_(0) {}
 
 void GnssHalTest::SetUp() {
-    gnss_hal_ = ::testing::VtsHalHidlTargetTestBase::getService<IGnss>();
+    gnss_hal_ = ::testing::VtsHalHidlTargetTestBase::getService<IGnss>(
+        GnssHidlEnvironment::Instance()->getServiceName<IGnss>());
     list_gnss_sv_status_.clear();
     ASSERT_NE(gnss_hal_, nullptr);
 }
diff --git a/gnss/1.1/vts/functional/gnss_hal_test.h b/gnss/1.1/vts/functional/gnss_hal_test.h
index 6aab3cb..6d5bb4c 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test.h
+++ b/gnss/1.1/vts/functional/gnss_hal_test.h
@@ -17,11 +17,10 @@
 #ifndef GNSS_HAL_TEST_H_
 #define GNSS_HAL_TEST_H_
 
-#define LOG_TAG "VtsHalGnssV1_1TargetTest"
-
 #include <android/hardware/gnss/1.1/IGnss.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #include <condition_variable>
 #include <list>
@@ -40,6 +39,21 @@
 
 #define TIMEOUT_SEC 2  // for basic commands/responses
 
+// Test environment for GNSS HIDL HAL.
+class GnssHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static GnssHidlEnvironment* Instance() {
+        static GnssHidlEnvironment* instance = new GnssHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IGnss>(); }
+
+   private:
+    GnssHidlEnvironment() {}
+};
+
 // The main test class for GNSS HAL.
 class GnssHalTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
diff --git a/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp b/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
index 0b27922..a0a1c73 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
+++ b/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
@@ -396,6 +396,10 @@
 
     ASSERT_TRUE(result.isOk());
     EXPECT_TRUE(result);
+
+    auto resultVoid = gnss_hal_->deleteAidingData(IGnss::GnssAidingData::DELETE_ALL);
+
+    ASSERT_TRUE(resultVoid.isOk());
 }
 
 /*
@@ -429,23 +433,26 @@
             EXPECT_GE(data.position.bearingDegrees, -360);
             EXPECT_LE(data.position.bearingDegrees, 360);
 
-            EXPECT_GE(data.position.horizontalAccuracyMeters, 0);
+            EXPECT_GT(data.position.horizontalAccuracyMeters, 0);
             EXPECT_LE(data.position.horizontalAccuracyMeters, 20000000);
 
-            EXPECT_GE(data.position.verticalAccuracyMeters, 0);
+            EXPECT_GT(data.position.verticalAccuracyMeters, 0);
             EXPECT_LE(data.position.verticalAccuracyMeters, 20000);
 
-            EXPECT_GE(data.position.speedAccuracyMetersPerSecond, 0);
+            EXPECT_GT(data.position.speedAccuracyMetersPerSecond, 0);
             EXPECT_LE(data.position.speedAccuracyMetersPerSecond, 500);
 
-            EXPECT_GE(data.position.bearingAccuracyDegrees, 0);
+            EXPECT_GT(data.position.bearingAccuracyDegrees, 0);
             EXPECT_LE(data.position.bearingAccuracyDegrees, 180);
 
             EXPECT_GE(data.position.ageSeconds, 0);
         }
 
         EXPECT_GE(data.time.timeEstimate, 1514764800000);  // Jan 01 2018 00:00:00
+
         EXPECT_GT(data.time.timeUncertaintyNs, 0);
+
         EXPECT_GT(data.time.frequencyUncertaintyNsPerSec, 0);
+        EXPECT_LE(data.time.frequencyUncertaintyNsPerSec, 2.0e5);  // 200 ppm
     }
 }
diff --git a/health/1.0/vts/functional/VtsHalHealthV1_0TargetTest.cpp b/health/1.0/vts/functional/VtsHalHealthV1_0TargetTest.cpp
index 324eb9f..335d15d 100644
--- a/health/1.0/vts/functional/VtsHalHealthV1_0TargetTest.cpp
+++ b/health/1.0/vts/functional/VtsHalHealthV1_0TargetTest.cpp
@@ -19,7 +19,9 @@
 #include <android/hardware/health/1.0/IHealth.h>
 #include <android/hardware/health/1.0/types.h>
 #include <log/log.h>
+
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using HealthConfig = ::android::hardware::health::V1_0::HealthConfig;
 using HealthInfo = ::android::hardware::health::V1_0::HealthInfo;
@@ -28,10 +30,25 @@
 
 using ::android::sp;
 
+// Test environment for Health HIDL HAL.
+class HealthHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static HealthHidlEnvironment* Instance() {
+        static HealthHidlEnvironment* instance = new HealthHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IHealth>(); }
+   private:
+    HealthHidlEnvironment() {}
+};
+
 class HealthHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        health = ::testing::VtsHalHidlTargetTestBase::getService<IHealth>();
+        health = ::testing::VtsHalHidlTargetTestBase::getService<IHealth>(
+            HealthHidlEnvironment::Instance()->getServiceName<IHealth>());
         ASSERT_NE(health, nullptr);
         health->init(config,
                      [&](const auto& halConfigOut) { config = halConfigOut; });
@@ -57,7 +74,9 @@
 }
 
 int main(int argc, char **argv) {
+    ::testing::AddGlobalTestEnvironment(HealthHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    HealthHidlEnvironment::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..fbe5237 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(
@@ -2908,6 +2918,28 @@
 }
 
 /*
+ * EncryptionOperationsTest.AesEcbWithUserId
+ *
+ * Verifies that AES ECB mode works when Tag::USER_ID is specified.
+ */
+TEST_F(EncryptionOperationsTest, AesEcbWithUserId) {
+    string key = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+    ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder()
+                                           .Authorization(TAG_NO_AUTH_REQUIRED)
+                                           .Authorization(TAG_USER_ID, 0)
+                                           .AesEncryptionKey(key.size() * 8)
+                                           .EcbMode()
+                                           .Padding(PaddingMode::PKCS7),
+                                       KeyFormat::RAW, key));
+
+    string message = "Hello World!";
+    auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
+    string ciphertext = EncryptMessage(message, params);
+    string plaintext = DecryptMessage(ciphertext, params);
+    EXPECT_EQ(message, plaintext);
+}
+
+/*
  * EncryptionOperationsTest.AesEcbRoundTripSuccess
  *
  * Verifies that AES encryption fails in the correct way when an unauthorized mode is specified.
@@ -4203,8 +4235,10 @@
 }  // 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 +4247,8 @@
             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/keymaster/4.0/support/Keymaster3.cpp b/keymaster/4.0/support/Keymaster3.cpp
index b2cdbd9..84b3ee1 100644
--- a/keymaster/4.0/support/Keymaster3.cpp
+++ b/keymaster/4.0/support/Keymaster3.cpp
@@ -61,9 +61,12 @@
 }
 
 hidl_vec<V3_0::KeyParameter> convert(const hidl_vec<KeyParameter>& params) {
-    hidl_vec<V3_0::KeyParameter> converted(params.size());
-    for (size_t i = 0; i < params.size(); ++i) {
-        converted[i] = convert(params[i]);
+    std::vector<V3_0::KeyParameter> converted;
+    converted.reserve(params.size());
+    for (const auto& param : params) {
+        // Qualcomm's Keymaster3 implementation behaves oddly if Tag::USER_ID is provided. Filter it
+        // out.  Revert this change when b/73286437 is fixed.
+        if (param.tag != Tag::USER_ID) converted.push_back(convert(param));
     }
     return converted;
 }
diff --git a/keymaster/4.0/support/include/keymasterV4_0/keymaster_tags.h b/keymaster/4.0/support/include/keymasterV4_0/keymaster_tags.h
index 9d6501b..ce213bc 100644
--- a/keymaster/4.0/support/include/keymasterV4_0/keymaster_tags.h
+++ b/keymaster/4.0/support/include/keymasterV4_0/keymaster_tags.h
@@ -142,24 +142,28 @@
 DECLARE_TYPED_TAG(RSA_PUBLIC_EXPONENT);
 DECLARE_TYPED_TAG(TRUSTED_CONFIRMATION_REQUIRED);
 DECLARE_TYPED_TAG(UNIQUE_ID);
+DECLARE_TYPED_TAG(UNLOCKED_DEVICE_REQUIRED);
 DECLARE_TYPED_TAG(USAGE_EXPIRE_DATETIME);
 DECLARE_TYPED_TAG(USER_AUTH_TYPE);
+DECLARE_TYPED_TAG(USER_ID);
 DECLARE_TYPED_TAG(USER_SECURE_ID);
 
 template <typename... Elems>
 struct MetaList {};
 
-using all_tags_t = MetaList<
-    TAG_INVALID_t, TAG_KEY_SIZE_t, TAG_MAC_LENGTH_t, TAG_CALLER_NONCE_t, TAG_MIN_MAC_LENGTH_t,
-    TAG_RSA_PUBLIC_EXPONENT_t, TAG_INCLUDE_UNIQUE_ID_t, TAG_ACTIVE_DATETIME_t,
-    TAG_ORIGINATION_EXPIRE_DATETIME_t, TAG_USAGE_EXPIRE_DATETIME_t, TAG_MIN_SECONDS_BETWEEN_OPS_t,
-    TAG_MAX_USES_PER_BOOT_t, TAG_USER_SECURE_ID_t, TAG_NO_AUTH_REQUIRED_t, TAG_AUTH_TIMEOUT_t,
-    TAG_ALLOW_WHILE_ON_BODY_t, TAG_APPLICATION_ID_t, TAG_APPLICATION_DATA_t,
-    TAG_CREATION_DATETIME_t, TAG_ROLLBACK_RESISTANCE_t, TAG_ROOT_OF_TRUST_t, TAG_ASSOCIATED_DATA_t,
-    TAG_NONCE_t, TAG_BOOTLOADER_ONLY_t, TAG_OS_VERSION_t, TAG_OS_PATCHLEVEL_t, TAG_UNIQUE_ID_t,
-    TAG_ATTESTATION_CHALLENGE_t, TAG_ATTESTATION_APPLICATION_ID_t, TAG_RESET_SINCE_ID_ROTATION_t,
-    TAG_PURPOSE_t, TAG_ALGORITHM_t, TAG_BLOCK_MODE_t, TAG_DIGEST_t, TAG_PADDING_t,
-    TAG_BLOB_USAGE_REQUIREMENTS_t, TAG_ORIGIN_t, TAG_USER_AUTH_TYPE_t, TAG_EC_CURVE_t>;
+using all_tags_t =
+    MetaList<TAG_INVALID_t, TAG_KEY_SIZE_t, TAG_MAC_LENGTH_t, TAG_CALLER_NONCE_t,
+             TAG_MIN_MAC_LENGTH_t, TAG_RSA_PUBLIC_EXPONENT_t, TAG_INCLUDE_UNIQUE_ID_t,
+             TAG_ACTIVE_DATETIME_t, TAG_ORIGINATION_EXPIRE_DATETIME_t, TAG_USAGE_EXPIRE_DATETIME_t,
+             TAG_MIN_SECONDS_BETWEEN_OPS_t, TAG_MAX_USES_PER_BOOT_t, TAG_USER_ID_t,
+             TAG_USER_SECURE_ID_t, TAG_NO_AUTH_REQUIRED_t, TAG_AUTH_TIMEOUT_t,
+             TAG_ALLOW_WHILE_ON_BODY_t, TAG_UNLOCKED_DEVICE_REQUIRED_t, TAG_APPLICATION_ID_t,
+             TAG_APPLICATION_DATA_t, TAG_CREATION_DATETIME_t, TAG_ROLLBACK_RESISTANCE_t,
+             TAG_ROOT_OF_TRUST_t, TAG_ASSOCIATED_DATA_t, TAG_NONCE_t, TAG_BOOTLOADER_ONLY_t,
+             TAG_OS_VERSION_t, TAG_OS_PATCHLEVEL_t, TAG_UNIQUE_ID_t, TAG_ATTESTATION_CHALLENGE_t,
+             TAG_ATTESTATION_APPLICATION_ID_t, TAG_RESET_SINCE_ID_ROTATION_t, TAG_PURPOSE_t,
+             TAG_ALGORITHM_t, TAG_BLOCK_MODE_t, TAG_DIGEST_t, TAG_PADDING_t,
+             TAG_BLOB_USAGE_REQUIREMENTS_t, TAG_ORIGIN_t, TAG_USER_AUTH_TYPE_t, TAG_EC_CURVE_t>;
 
 template <typename TypedTagType>
 struct TypedTag2ValueType;
@@ -343,6 +347,7 @@
         case Tag::BOOTLOADER_ONLY:
         case Tag::NO_AUTH_REQUIRED:
         case Tag::ALLOW_WHILE_ON_BODY:
+        case Tag::UNLOCKED_DEVICE_REQUIRED:
         case Tag::ROLLBACK_RESISTANCE:
         case Tag::RESET_SINCE_ID_ROTATION:
         case Tag::TRUSTED_CONFIRMATION_REQUIRED:
@@ -357,6 +362,7 @@
         case Tag::OS_VERSION:
         case Tag::OS_PATCHLEVEL:
         case Tag::MAC_LENGTH:
+        case Tag::USER_ID:
         case Tag::AUTH_TIMEOUT:
         case Tag::VENDOR_PATCHLEVEL:
         case Tag::BOOT_PATCHLEVEL:
diff --git a/keymaster/4.0/types.hal b/keymaster/4.0/types.hal
index 91ec9bf..47fd1ed 100644
--- a/keymaster/4.0/types.hal
+++ b/keymaster/4.0/types.hal
@@ -118,7 +118,8 @@
                                                        * boot. */
 
     /* User authentication */
-    // 500-501 reserved
+    // 500 reserved
+    USER_ID = TagType:UINT | 501,             /* Android ID of authorized user or authenticator(s), */
     USER_SECURE_ID = TagType:ULONG_REP | 502, /* Secure ID of authorized user or authenticator(s).
                                                * Disallowed if NO_AUTH_REQUIRED is present. */
     NO_AUTH_REQUIRED = TagType:BOOL | 503,    /* If key is usable without authentication. */
@@ -191,6 +192,9 @@
      * match the data described in the token, keymaster must return NO_USER_CONFIRMATION. */
     TRUSTED_CONFIRMATION_REQUIRED = TagType:BOOL | 508,
 
+    UNLOCKED_DEVICE_REQUIRED = TagType:BOOL | 509, /* Require the device screen to be unlocked if
+                                                    * the key is used. */
+
     /* Application access control */
     APPLICATION_ID = TagType:BYTES | 601, /* Byte string identifying the authorized application. */
 
@@ -471,6 +475,7 @@
     PROOF_OF_PRESENCE_REQUIRED = -69,
     CONCURRENT_PROOF_OF_PRESENCE_REQUESTED = -70,
     NO_USER_CONFIRMATION = -71,
+    DEVICE_LOCKED = -72,
 
     UNIMPLEMENTED = -100,
     VERSION_MISMATCH = -101,
diff --git a/light/2.0/vts/functional/VtsHalLightV2_0TargetTest.cpp b/light/2.0/vts/functional/VtsHalLightV2_0TargetTest.cpp
index 3405422..13290d9 100644
--- a/light/2.0/vts/functional/VtsHalLightV2_0TargetTest.cpp
+++ b/light/2.0/vts/functional/VtsHalLightV2_0TargetTest.cpp
@@ -16,12 +16,13 @@
 
 #define LOG_TAG "light_hidl_hal_test"
 
+#include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/light/2.0/ILight.h>
 #include <android/hardware/light/2.0/types.h>
-#include <VtsHalHidlTargetTestBase.h>
-#include <set>
 #include <unistd.h>
+#include <set>
 
 using ::android::hardware::light::V2_0::Brightness;
 using ::android::hardware::light::V2_0::Flash;
@@ -72,10 +73,25 @@
     Type::WIFI
 };
 
+// Test environment for Light HIDL HAL.
+class LightHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static LightHidlEnvironment* Instance() {
+        static LightHidlEnvironment* instance = new LightHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<ILight>(); }
+   private:
+    LightHidlEnvironment() {}
+};
+
 class LightHidlTest : public ::testing::VtsHalHidlTargetTestBase {
 public:
     virtual void SetUp() override {
-        light = ::testing::VtsHalHidlTargetTestBase::getService<ILight>();
+        light = ::testing::VtsHalHidlTargetTestBase::getService<ILight>(
+            LightHidlEnvironment::Instance()->getServiceName<ILight>());
 
         ASSERT_NE(light, nullptr);
         LOG(INFO) << "Test is remote " << light->isRemote();
@@ -149,7 +165,9 @@
 }
 
 int main(int argc, char **argv) {
+    ::testing::AddGlobalTestEnvironment(LightHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    LightHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << 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/neuralnetworks/1.0/vts/functional/Android.bp b/neuralnetworks/1.0/vts/functional/Android.bp
index e33ee77..54dd14a 100644
--- a/neuralnetworks/1.0/vts/functional/Android.bp
+++ b/neuralnetworks/1.0/vts/functional/Android.bp
@@ -14,22 +14,49 @@
 // limitations under the License.
 //
 
+cc_library_static {
+    name: "VtsHalNeuralnetworksTest_utils",
+    srcs: [
+        "Callbacks.cpp",
+        "Models.cpp",
+        "GeneratedTestHarness.cpp",
+    ],
+    defaults: ["VtsHalTargetTestDefaults"],
+    export_include_dirs: ["."],
+    static_libs: [
+        "android.hardware.neuralnetworks@1.0",
+        "android.hardware.neuralnetworks@1.1",
+        "android.hidl.allocator@1.0",
+        "android.hidl.memory@1.0",
+        "libhidlmemory",
+        "libneuralnetworks_utils",
+    ],
+    header_libs: [
+        "libneuralnetworks_headers",
+        "libneuralnetworks_generated_test_harness_headers",
+        "libneuralnetworks_generated_tests",
+    ],
+}
+
 cc_test {
     name: "VtsHalNeuralnetworksV1_0TargetTest",
     srcs: [
-        "Callbacks.cpp",
-        "GeneratedTestHarness.cpp",
-        "Models.cpp",
-        "VtsHalNeuralnetworksV1_0TargetTest.cpp",
+        "VtsHalNeuralnetworksV1_0.cpp",
+        "VtsHalNeuralnetworksV1_0BasicTest.cpp",
+        "VtsHalNeuralnetworksV1_0GeneratedTest.cpp",
     ],
     defaults: ["VtsHalTargetTestDefaults"],
     static_libs: [
         "android.hardware.neuralnetworks@1.0",
+        "android.hardware.neuralnetworks@1.1",
         "android.hidl.allocator@1.0",
         "android.hidl.memory@1.0",
         "libhidlmemory",
+        "libneuralnetworks_utils",
+        "VtsHalNeuralnetworksTest_utils",
     ],
     header_libs: [
+        "libneuralnetworks_headers",
         "libneuralnetworks_generated_test_harness_headers",
         "libneuralnetworks_generated_tests",
     ],
diff --git a/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.cpp b/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.cpp
index d740b5f..5fe8415 100644
--- a/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.cpp
+++ b/neuralnetworks/1.0/vts/functional/GeneratedTestHarness.cpp
@@ -16,9 +16,15 @@
 
 #include "Callbacks.h"
 #include "TestHarness.h"
-#include "VtsHalNeuralnetworksV1_0TargetTest.h"
+#include "Utils.h"
 
 #include <android-base/logging.h>
+#include <android/hardware/neuralnetworks/1.0/IDevice.h>
+#include <android/hardware/neuralnetworks/1.0/IExecutionCallback.h>
+#include <android/hardware/neuralnetworks/1.0/IPreparedModel.h>
+#include <android/hardware/neuralnetworks/1.0/IPreparedModelCallback.h>
+#include <android/hardware/neuralnetworks/1.0/types.h>
+#include <android/hidl/allocator/1.0/IAllocator.h>
 #include <android/hidl/memory/1.0/IMemory.h>
 #include <hidlmemory/mapping.h>
 #include <iostream>
@@ -26,11 +32,6 @@
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
-namespace V1_0 {
-namespace vts {
-namespace functional {
-// allocator helper
-hidl_memory allocateSharedMemory(int64_t size, const std::string& type = "ashmem");
 
 namespace generated_tests {
 using ::android::hardware::neuralnetworks::V1_0::implementation::ExecutionCallback;
@@ -64,54 +65,10 @@
 
 // Top level driver for models and examples generated by test_generator.py
 // Test driver for those generated from ml/nn/runtime/test/spec
-void Execute(const sp<IDevice>& device, std::function<Model(void)> create_model,
-             std::function<bool(int)> is_ignored,
-             const std::vector<MixedTypedExampleType>& examples) {
+void EvaluatePreparedModel(sp<IPreparedModel>& preparedModel, std::function<bool(int)> is_ignored,
+                           const std::vector<MixedTypedExampleType>& examples) {
     const uint32_t INPUT = 0;
     const uint32_t OUTPUT = 1;
-    Model model = create_model();
-
-    // see if service can handle model
-    ErrorStatus supportedStatus;
-    bool fullySupportsModel = false;
-    Return<void> supportedCall = device->getSupportedOperations(
-        model, [&](ErrorStatus status, const hidl_vec<bool>& supported) {
-            supportedStatus = status;
-            ASSERT_NE(0ul, supported.size());
-            fullySupportsModel =
-                std::all_of(supported.begin(), supported.end(), [](bool valid) { return valid; });
-        });
-    ASSERT_TRUE(supportedCall.isOk());
-    ASSERT_EQ(ErrorStatus::NONE, supportedStatus);
-
-    // launch prepare model
-    sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
-    ASSERT_NE(nullptr, preparedModelCallback.get());
-    Return<ErrorStatus> prepareLaunchStatus = device->prepareModel(model, preparedModelCallback);
-    ASSERT_TRUE(prepareLaunchStatus.isOk());
-
-    // retrieve prepared model
-    preparedModelCallback->wait();
-    ErrorStatus prepareReturnStatus = preparedModelCallback->getStatus();
-    sp<IPreparedModel> preparedModel = preparedModelCallback->getPreparedModel();
-    if (fullySupportsModel) {
-        EXPECT_EQ(ErrorStatus::NONE, prepareReturnStatus);
-    } else {
-        EXPECT_TRUE(prepareReturnStatus == ErrorStatus::NONE ||
-                    prepareReturnStatus == ErrorStatus::GENERAL_FAILURE);
-    }
-
-    // early termination if vendor service cannot fully prepare model
-    if (!fullySupportsModel && prepareReturnStatus == ErrorStatus::GENERAL_FAILURE) {
-        ASSERT_EQ(nullptr, preparedModel.get());
-        LOG(INFO) << "NN VTS: Early termination of test because vendor service cannot "
-                     "prepare model that it does not support.";
-        std::cout << "[          ]   Early termination of test because vendor service cannot "
-                     "prepare model that it does not support."
-                  << std::endl;
-        return;
-    }
-    ASSERT_NE(nullptr, preparedModel.get());
 
     int example_no = 1;
     for (auto& example : examples) {
@@ -167,8 +124,8 @@
                 offset += i.location.length;
             }
         }
-        std::vector<hidl_memory> pools = {allocateSharedMemory(inputSize),
-                                          allocateSharedMemory(outputSize)};
+        std::vector<hidl_memory> pools = {nn::allocateSharedMemory(inputSize),
+                                          nn::allocateSharedMemory(outputSize)};
         ASSERT_NE(0ull, pools[INPUT].size());
         ASSERT_NE(0ull, pools[OUTPUT].size());
 
@@ -221,11 +178,107 @@
     }
 }
 
+void Execute(sp<V1_0::IDevice>& device, std::function<V1_0::Model(void)> create_model,
+             std::function<bool(int)> is_ignored,
+             const std::vector<MixedTypedExampleType>& examples) {
+    V1_0::Model model = create_model();
+
+    // see if service can handle model
+    bool fullySupportsModel = false;
+    ErrorStatus supportedStatus;
+    sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
+    ASSERT_NE(nullptr, preparedModelCallback.get());
+
+    Return<void> supportedCall = device->getSupportedOperations(
+        model, [&](ErrorStatus status, const hidl_vec<bool>& supported) {
+            supportedStatus = status;
+            ASSERT_NE(0ul, supported.size());
+            fullySupportsModel =
+                std::all_of(supported.begin(), supported.end(), [](bool valid) { return valid; });
+        });
+    ASSERT_TRUE(supportedCall.isOk());
+    ASSERT_EQ(ErrorStatus::NONE, supportedStatus);
+    Return<ErrorStatus> prepareLaunchStatus = device->prepareModel(model, preparedModelCallback);
+    ASSERT_TRUE(prepareLaunchStatus.isOk());
+
+    // retrieve prepared model
+    preparedModelCallback->wait();
+    ErrorStatus prepareReturnStatus = preparedModelCallback->getStatus();
+    sp<IPreparedModel> preparedModel = preparedModelCallback->getPreparedModel();
+    if (fullySupportsModel) {
+        EXPECT_EQ(ErrorStatus::NONE, prepareReturnStatus);
+    } else {
+        EXPECT_TRUE(prepareReturnStatus == ErrorStatus::NONE ||
+                    prepareReturnStatus == ErrorStatus::GENERAL_FAILURE);
+    }
+
+    // early termination if vendor service cannot fully prepare model
+    if (!fullySupportsModel && prepareReturnStatus == ErrorStatus::GENERAL_FAILURE) {
+        ASSERT_EQ(nullptr, preparedModel.get());
+        LOG(INFO) << "NN VTS: Early termination of test because vendor service cannot "
+                     "prepare model that it does not support.";
+        std::cout << "[          ]   Early termination of test because vendor service cannot "
+                     "prepare model that it does not support."
+                  << std::endl;
+        return;
+    }
+    ASSERT_NE(nullptr, preparedModel.get());
+
+    EvaluatePreparedModel(preparedModel, is_ignored, examples);
+}
+
+void Execute(sp<V1_1::IDevice>& device, std::function<V1_1::Model(void)> create_model,
+             std::function<bool(int)> is_ignored,
+             const std::vector<MixedTypedExampleType>& examples) {
+    V1_1::Model model = create_model();
+
+    // see if service can handle model
+    bool fullySupportsModel = false;
+    ErrorStatus supportedStatus;
+    sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
+    ASSERT_NE(nullptr, preparedModelCallback.get());
+
+    Return<void> supportedCall = device->getSupportedOperations_1_1(
+        model, [&](ErrorStatus status, const hidl_vec<bool>& supported) {
+            supportedStatus = status;
+            ASSERT_NE(0ul, supported.size());
+            fullySupportsModel =
+                std::all_of(supported.begin(), supported.end(), [](bool valid) { return valid; });
+        });
+    ASSERT_TRUE(supportedCall.isOk());
+    ASSERT_EQ(ErrorStatus::NONE, supportedStatus);
+    Return<ErrorStatus> prepareLaunchStatus =
+        device->prepareModel_1_1(model, preparedModelCallback);
+    ASSERT_TRUE(prepareLaunchStatus.isOk());
+
+    // retrieve prepared model
+    preparedModelCallback->wait();
+    ErrorStatus prepareReturnStatus = preparedModelCallback->getStatus();
+    sp<IPreparedModel> preparedModel = preparedModelCallback->getPreparedModel();
+    if (fullySupportsModel) {
+        EXPECT_EQ(ErrorStatus::NONE, prepareReturnStatus);
+    } else {
+        EXPECT_TRUE(prepareReturnStatus == ErrorStatus::NONE ||
+                    prepareReturnStatus == ErrorStatus::GENERAL_FAILURE);
+    }
+
+    // early termination if vendor service cannot fully prepare model
+    if (!fullySupportsModel && prepareReturnStatus == ErrorStatus::GENERAL_FAILURE) {
+        ASSERT_EQ(nullptr, preparedModel.get());
+        LOG(INFO) << "NN VTS: Early termination of test because vendor service cannot "
+                     "prepare model that it does not support.";
+        std::cout << "[          ]   Early termination of test because vendor service cannot "
+                     "prepare model that it does not support."
+                  << std::endl;
+        return;
+    }
+    ASSERT_NE(nullptr, preparedModel.get());
+
+    EvaluatePreparedModel(preparedModel, is_ignored, examples);
+}
+
 }  // namespace generated_tests
 
-}  // namespace functional
-}  // namespace vts
-}  // namespace V1_0
 }  // namespace neuralnetworks
 }  // namespace hardware
 }  // namespace android
diff --git a/neuralnetworks/1.0/vts/functional/Models.cpp b/neuralnetworks/1.0/vts/functional/Models.cpp
index 8ce4f25..180286a 100644
--- a/neuralnetworks/1.0/vts/functional/Models.cpp
+++ b/neuralnetworks/1.0/vts/functional/Models.cpp
@@ -17,19 +17,22 @@
 #define LOG_TAG "neuralnetworks_hidl_hal_test"
 
 #include "Models.h"
+#include "Utils.h"
+
+#include <android-base/logging.h>
+#include <android/hidl/allocator/1.0/IAllocator.h>
 #include <android/hidl/memory/1.0/IMemory.h>
 #include <hidlmemory/mapping.h>
 #include <vector>
 
+using ::android::sp;
+
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
-namespace V1_0 {
-namespace vts {
-namespace functional {
 
 // create a valid model
-Model createValidTestModel() {
+V1_1::Model createValidTestModel_1_1() {
     const std::vector<float> operand2Data = {5.0f, 6.0f, 7.0f, 8.0f};
     const uint32_t size = operand2Data.size() * sizeof(float);
 
@@ -103,39 +106,34 @@
 }
 
 // create first invalid model
-Model createInvalidTestModel1() {
-    Model model = createValidTestModel();
+V1_1::Model createInvalidTestModel1_1_1() {
+    Model model = createValidTestModel_1_1();
     model.operations[0].type = static_cast<OperationType>(0xDEADBEEF); /* INVALID */
     return model;
 }
 
 // create second invalid model
-Model createInvalidTestModel2() {
-    Model model = createValidTestModel();
+V1_1::Model createInvalidTestModel2_1_1() {
+    Model model = createValidTestModel_1_1();
     const uint32_t operand1 = 0;
     const uint32_t operand5 = 4;  // INVALID OPERAND
     model.inputIndexes = std::vector<uint32_t>({operand1, operand5 /* INVALID OPERAND */});
     return model;
 }
 
-// allocator helper
-hidl_memory allocateSharedMemory(int64_t size, const std::string& type = "ashmem") {
-    hidl_memory memory;
+V1_0::Model createValidTestModel_1_0() {
+    V1_1::Model model = createValidTestModel_1_1();
+    return nn::convertToV1_0(model);
+}
 
-    sp<IAllocator> allocator = IAllocator::getService(type);
-    if (!allocator.get()) {
-        return {};
-    }
+V1_0::Model createInvalidTestModel1_1_0() {
+    V1_1::Model model = createInvalidTestModel1_1_1();
+    return nn::convertToV1_0(model);
+}
 
-    Return<void> ret = allocator->allocate(size, [&](bool success, const hidl_memory& mem) {
-        ASSERT_TRUE(success);
-        memory = mem;
-    });
-    if (!ret.isOk()) {
-        return {};
-    }
-
-    return memory;
+V1_0::Model createInvalidTestModel2_1_0() {
+    V1_1::Model model = createInvalidTestModel2_1_1();
+    return nn::convertToV1_0(model);
 }
 
 // create a valid request
@@ -154,8 +152,8 @@
     std::vector<RequestArgument> outputs = {{
         .location = {.poolIndex = OUTPUT, .offset = 0, .length = outputSize}, .dimensions = {},
     }};
-    std::vector<hidl_memory> pools = {allocateSharedMemory(inputSize),
-                                      allocateSharedMemory(outputSize)};
+    std::vector<hidl_memory> pools = {nn::allocateSharedMemory(inputSize),
+                                      nn::allocateSharedMemory(outputSize)};
     if (pools[INPUT].size() == 0 || pools[OUTPUT].size() == 0) {
         return {};
     }
@@ -199,9 +197,6 @@
     return request;
 }
 
-}  // namespace functional
-}  // namespace vts
-}  // namespace V1_0
 }  // namespace neuralnetworks
 }  // namespace hardware
 }  // namespace android
diff --git a/neuralnetworks/1.0/vts/functional/Models.h b/neuralnetworks/1.0/vts/functional/Models.h
index e0d57d5..9398235 100644
--- a/neuralnetworks/1.0/vts/functional/Models.h
+++ b/neuralnetworks/1.0/vts/functional/Models.h
@@ -16,28 +16,27 @@
 
 #define LOG_TAG "neuralnetworks_hidl_hal_test"
 
-#include "VtsHalNeuralnetworksV1_0TargetTest.h"
+#include <android/hardware/neuralnetworks/1.1/types.h>
 
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
-namespace V1_0 {
-namespace vts {
-namespace functional {
 
-// create the model
-Model createValidTestModel();
-Model createInvalidTestModel1();
-Model createInvalidTestModel2();
+// create V1_1 model
+V1_1::Model createValidTestModel_1_1();
+V1_1::Model createInvalidTestModel1_1_1();
+V1_1::Model createInvalidTestModel2_1_1();
+
+// create V1_0 model
+V1_0::Model createValidTestModel_1_0();
+V1_0::Model createInvalidTestModel1_1_0();
+V1_0::Model createInvalidTestModel2_1_0();
 
 // create the request
-Request createValidTestRequest();
-Request createInvalidTestRequest1();
-Request createInvalidTestRequest2();
+V1_0::Request createValidTestRequest();
+V1_0::Request createInvalidTestRequest1();
+V1_0::Request createInvalidTestRequest2();
 
-}  // namespace functional
-}  // namespace vts
-}  // namespace V1_0
 }  // namespace neuralnetworks
 }  // namespace hardware
 }  // namespace android
diff --git a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0.cpp b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0.cpp
new file mode 100644
index 0000000..b14fb2c
--- /dev/null
+++ b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "neuralnetworks_hidl_hal_test"
+
+#include "VtsHalNeuralnetworksV1_0.h"
+#include "Utils.h"
+
+#include <android-base/logging.h>
+
+using ::android::hardware::hidl_memory;
+using ::android::hidl::allocator::V1_0::IAllocator;
+using ::android::hidl::memory::V1_0::IMemory;
+using ::android::sp;
+
+namespace android {
+namespace hardware {
+namespace neuralnetworks {
+namespace V1_0 {
+namespace vts {
+namespace functional {
+
+// allocator helper
+hidl_memory allocateSharedMemory(int64_t size) {
+    return nn::allocateSharedMemory(size);
+}
+
+// A class for test environment setup
+NeuralnetworksHidlEnvironment::NeuralnetworksHidlEnvironment() {}
+
+NeuralnetworksHidlEnvironment::~NeuralnetworksHidlEnvironment() {}
+
+NeuralnetworksHidlEnvironment* NeuralnetworksHidlEnvironment::getInstance() {
+    // This has to return a "new" object because it is freed inside
+    // ::testing::AddGlobalTestEnvironment when the gtest is being torn down
+    static NeuralnetworksHidlEnvironment* instance = new NeuralnetworksHidlEnvironment();
+    return instance;
+}
+
+void NeuralnetworksHidlEnvironment::registerTestServices() {
+    registerTestService<V1_0::IDevice>();
+}
+
+// The main test class for NEURALNETWORK HIDL HAL.
+NeuralnetworksHidlTest::~NeuralnetworksHidlTest() {}
+
+void NeuralnetworksHidlTest::SetUp() {
+    device = ::testing::VtsHalHidlTargetTestBase::getService<V1_0::IDevice>(
+        NeuralnetworksHidlEnvironment::getInstance());
+    ASSERT_NE(nullptr, device.get());
+}
+
+void NeuralnetworksHidlTest::TearDown() {}
+
+}  // namespace functional
+}  // namespace vts
+}  // namespace V1_0
+}  // namespace neuralnetworks
+}  // namespace hardware
+}  // namespace android
diff --git a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.h b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0.h
similarity index 69%
rename from neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.h
rename to neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0.h
index 5cd209a..fbb1607 100644
--- a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.h
+++ b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,23 +29,6 @@
 #include <gtest/gtest.h>
 #include <string>
 
-using ::android::hardware::neuralnetworks::V1_0::IDevice;
-using ::android::hardware::neuralnetworks::V1_0::IPreparedModel;
-using ::android::hardware::neuralnetworks::V1_0::Capabilities;
-using ::android::hardware::neuralnetworks::V1_0::DeviceStatus;
-using ::android::hardware::neuralnetworks::V1_0::FusedActivationFunc;
-using ::android::hardware::neuralnetworks::V1_0::Model;
-using ::android::hardware::neuralnetworks::V1_0::OperationType;
-using ::android::hardware::neuralnetworks::V1_0::PerformanceInfo;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::hidl_memory;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
-using ::android::hidl::allocator::V1_0::IAllocator;
-using ::android::hidl::memory::V1_0::IMemory;
-using ::android::sp;
-
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
@@ -53,6 +36,8 @@
 namespace vts {
 namespace functional {
 
+hidl_memory allocateSharedMemory(int64_t size);
+
 // A class for test environment setup
 class NeuralnetworksHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
     NeuralnetworksHidlEnvironment();
@@ -74,25 +59,22 @@
     void SetUp() override;
     void TearDown() override;
 
-    sp<IPreparedModel> doPrepareModelShortcut();
-
-    sp<IDevice> device;
+    sp<V1_0::IDevice> device;
 };
-
 }  // namespace functional
 }  // namespace vts
 
 // pretty-print values for error messages
 
-template<typename CharT, typename Traits>
+template <typename CharT, typename Traits>
 ::std::basic_ostream<CharT, Traits>& operator<<(::std::basic_ostream<CharT, Traits>& os,
-                                                ErrorStatus errorStatus) {
+                                                V1_0::ErrorStatus errorStatus) {
     return os << toString(errorStatus);
 }
 
-template<typename CharT, typename Traits>
+template <typename CharT, typename Traits>
 ::std::basic_ostream<CharT, Traits>& operator<<(::std::basic_ostream<CharT, Traits>& os,
-                                                DeviceStatus deviceStatus) {
+                                                V1_0::DeviceStatus deviceStatus) {
     return os << toString(deviceStatus);
 }
 
diff --git a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.cpp b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0BasicTest.cpp
similarity index 80%
rename from neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.cpp
rename to neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0BasicTest.cpp
index b99e20e..e838997 100644
--- a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.cpp
+++ b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0BasicTest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@
 
 #define LOG_TAG "neuralnetworks_hidl_hal_test"
 
-#include "VtsHalNeuralnetworksV1_0TargetTest.h"
+#include "VtsHalNeuralnetworksV1_0.h"
 
 #include "Callbacks.h"
 #include "Models.h"
@@ -26,51 +26,34 @@
 #include <android/hidl/memory/1.0/IMemory.h>
 #include <hidlmemory/mapping.h>
 
+using ::android::hardware::neuralnetworks::V1_0::IDevice;
+using ::android::hardware::neuralnetworks::V1_0::IPreparedModel;
+using ::android::hardware::neuralnetworks::V1_0::Capabilities;
+using ::android::hardware::neuralnetworks::V1_0::DeviceStatus;
+using ::android::hardware::neuralnetworks::V1_0::FusedActivationFunc;
+using ::android::hardware::neuralnetworks::V1_0::Model;
+using ::android::hardware::neuralnetworks::V1_0::OperationType;
+using ::android::hardware::neuralnetworks::V1_0::PerformanceInfo;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hidl::allocator::V1_0::IAllocator;
+using ::android::hidl::memory::V1_0::IMemory;
+using ::android::sp;
+
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
 namespace V1_0 {
 namespace vts {
 namespace functional {
-
 using ::android::hardware::neuralnetworks::V1_0::implementation::ExecutionCallback;
 using ::android::hardware::neuralnetworks::V1_0::implementation::PreparedModelCallback;
-using ::generated_tests::MixedTypedExampleType;
 
-namespace generated_tests {
-extern void Execute(const sp<IDevice>&, std::function<Model(void)>, std::function<bool(int)>,
-                    const std::vector<MixedTypedExampleType>&);
-}
-
-// A class for test environment setup
-NeuralnetworksHidlEnvironment::NeuralnetworksHidlEnvironment() {}
-
-NeuralnetworksHidlEnvironment::~NeuralnetworksHidlEnvironment() {}
-
-NeuralnetworksHidlEnvironment* NeuralnetworksHidlEnvironment::getInstance() {
-    // This has to return a "new" object because it is freed inside
-    // ::testing::AddGlobalTestEnvironment when the gtest is being torn down
-    static NeuralnetworksHidlEnvironment* instance = new NeuralnetworksHidlEnvironment();
-    return instance;
-}
-
-void NeuralnetworksHidlEnvironment::registerTestServices() {
-    registerTestService<IDevice>();
-}
-
-// The main test class for NEURALNETWORK HIDL HAL.
-NeuralnetworksHidlTest::~NeuralnetworksHidlTest() {}
-
-void NeuralnetworksHidlTest::SetUp() {
-    device = ::testing::VtsHalHidlTargetTestBase::getService<IDevice>(
-        NeuralnetworksHidlEnvironment::getInstance());
-    ASSERT_NE(nullptr, device.get());
-}
-
-void NeuralnetworksHidlTest::TearDown() {}
-
-sp<IPreparedModel> NeuralnetworksHidlTest::doPrepareModelShortcut() {
-    Model model = createValidTestModel();
+inline sp<IPreparedModel> doPrepareModelShortcut(sp<IDevice>& device) {
+    Model model = createValidTestModel_1_0();
 
     sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
     if (preparedModelCallback == nullptr) {
@@ -116,7 +99,7 @@
 
 // supported operations positive test
 TEST_F(NeuralnetworksHidlTest, SupportedOperationsPositiveTest) {
-    Model model = createValidTestModel();
+    Model model = createValidTestModel_1_0();
     Return<void> ret = device->getSupportedOperations(
         model, [&](ErrorStatus status, const hidl_vec<bool>& supported) {
             EXPECT_EQ(ErrorStatus::NONE, status);
@@ -127,7 +110,7 @@
 
 // supported operations negative test 1
 TEST_F(NeuralnetworksHidlTest, SupportedOperationsNegativeTest1) {
-    Model model = createInvalidTestModel1();
+    Model model = createInvalidTestModel1_1_0();
     Return<void> ret = device->getSupportedOperations(
         model, [&](ErrorStatus status, const hidl_vec<bool>& supported) {
             EXPECT_EQ(ErrorStatus::INVALID_ARGUMENT, status);
@@ -138,7 +121,7 @@
 
 // supported operations negative test 2
 TEST_F(NeuralnetworksHidlTest, SupportedOperationsNegativeTest2) {
-    Model model = createInvalidTestModel2();
+    Model model = createInvalidTestModel2_1_0();
     Return<void> ret = device->getSupportedOperations(
         model, [&](ErrorStatus status, const hidl_vec<bool>& supported) {
             EXPECT_EQ(ErrorStatus::INVALID_ARGUMENT, status);
@@ -149,7 +132,7 @@
 
 // prepare simple model positive test
 TEST_F(NeuralnetworksHidlTest, SimplePrepareModelPositiveTest) {
-    Model model = createValidTestModel();
+    Model model = createValidTestModel_1_0();
     sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
     ASSERT_NE(nullptr, preparedModelCallback.get());
     Return<ErrorStatus> prepareLaunchStatus = device->prepareModel(model, preparedModelCallback);
@@ -165,7 +148,7 @@
 
 // prepare simple model negative test 1
 TEST_F(NeuralnetworksHidlTest, SimplePrepareModelNegativeTest1) {
-    Model model = createInvalidTestModel1();
+    Model model = createInvalidTestModel1_1_0();
     sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
     ASSERT_NE(nullptr, preparedModelCallback.get());
     Return<ErrorStatus> prepareLaunchStatus = device->prepareModel(model, preparedModelCallback);
@@ -181,7 +164,7 @@
 
 // prepare simple model negative test 2
 TEST_F(NeuralnetworksHidlTest, SimplePrepareModelNegativeTest2) {
-    Model model = createInvalidTestModel2();
+    Model model = createInvalidTestModel2_1_0();
     sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
     ASSERT_NE(nullptr, preparedModelCallback.get());
     Return<ErrorStatus> prepareLaunchStatus = device->prepareModel(model, preparedModelCallback);
@@ -201,7 +184,7 @@
     std::vector<float> expectedData = {6.0f, 8.0f, 10.0f, 12.0f};
     const uint32_t OUTPUT = 1;
 
-    sp<IPreparedModel> preparedModel = doPrepareModelShortcut();
+    sp<IPreparedModel> preparedModel = doPrepareModelShortcut(device);
     ASSERT_NE(nullptr, preparedModel.get());
     Request request = createValidTestRequest();
 
@@ -235,7 +218,7 @@
 
 // execute simple graph negative test 1
 TEST_F(NeuralnetworksHidlTest, SimpleExecuteGraphNegativeTest1) {
-    sp<IPreparedModel> preparedModel = doPrepareModelShortcut();
+    sp<IPreparedModel> preparedModel = doPrepareModelShortcut(device);
     ASSERT_NE(nullptr, preparedModel.get());
     Request request = createInvalidTestRequest1();
 
@@ -252,7 +235,7 @@
 
 // execute simple graph negative test 2
 TEST_F(NeuralnetworksHidlTest, SimpleExecuteGraphNegativeTest2) {
-    sp<IPreparedModel> preparedModel = doPrepareModelShortcut();
+    sp<IPreparedModel> preparedModel = doPrepareModelShortcut(device);
     ASSERT_NE(nullptr, preparedModel.get());
     Request request = createInvalidTestRequest2();
 
@@ -267,16 +250,6 @@
     EXPECT_EQ(ErrorStatus::INVALID_ARGUMENT, executionReturnStatus);
 }
 
-// Mixed-typed examples
-typedef MixedTypedExampleType MixedTypedExample;
-
-// in frameworks/ml/nn/runtime/tests/generated/
-#include "all_generated_vts_tests.cpp"
-
-// TODO: Add tests for execution failure, or wait_for/wait_until timeout.
-//       Discussion:
-//       https://googleplex-android-review.git.corp.google.com/#/c/platform/hardware/interfaces/+/2654636/5/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.cpp@222
-
 }  // namespace functional
 }  // namespace vts
 }  // namespace V1_0
diff --git a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0GeneratedTest.cpp b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0GeneratedTest.cpp
new file mode 100644
index 0000000..b99aef7
--- /dev/null
+++ b/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0GeneratedTest.cpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "neuralnetworks_hidl_hal_test"
+
+#include "VtsHalNeuralnetworksV1_0.h"
+
+#include "Callbacks.h"
+#include "TestHarness.h"
+
+#include <android-base/logging.h>
+#include <android/hidl/memory/1.0/IMemory.h>
+#include <hidlmemory/mapping.h>
+
+using ::android::hardware::neuralnetworks::V1_0::IDevice;
+using ::android::hardware::neuralnetworks::V1_0::IPreparedModel;
+using ::android::hardware::neuralnetworks::V1_0::Capabilities;
+using ::android::hardware::neuralnetworks::V1_0::DeviceStatus;
+using ::android::hardware::neuralnetworks::V1_0::FusedActivationFunc;
+using ::android::hardware::neuralnetworks::V1_0::Model;
+using ::android::hardware::neuralnetworks::V1_0::OperationType;
+using ::android::hardware::neuralnetworks::V1_0::PerformanceInfo;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hidl::allocator::V1_0::IAllocator;
+using ::android::hidl::memory::V1_0::IMemory;
+using ::android::sp;
+
+namespace android {
+namespace hardware {
+namespace neuralnetworks {
+
+namespace generated_tests {
+using ::generated_tests::MixedTypedExampleType;
+extern void Execute(sp<IDevice>&, std::function<Model(void)>, std::function<bool(int)>,
+                    const std::vector<MixedTypedExampleType>&);
+}  // namespace generated_tests
+
+namespace V1_0 {
+namespace vts {
+namespace functional {
+using ::android::hardware::neuralnetworks::V1_0::implementation::ExecutionCallback;
+using ::android::hardware::neuralnetworks::V1_0::implementation::PreparedModelCallback;
+
+// Mixed-typed examples
+typedef generated_tests::MixedTypedExampleType MixedTypedExample;
+
+// in frameworks/ml/nn/runtime/tests/generated/
+#include "all_generated_V1_0_vts_tests.cpp"
+
+}  // namespace functional
+}  // namespace vts
+}  // namespace V1_0
+}  // namespace neuralnetworks
+}  // namespace hardware
+}  // namespace android
diff --git a/neuralnetworks/1.1/types.hal b/neuralnetworks/1.1/types.hal
index 18863d3..fae5dd0 100644
--- a/neuralnetworks/1.1/types.hal
+++ b/neuralnetworks/1.1/types.hal
@@ -330,4 +330,12 @@
      * equals OperandLifeTime::CONSTANT_REFERENCE.
      */
     vec<memory> pools;
+
+    /**
+     * 'true' indicates TENSOR_FLOAT32 may be calculated with range and/or
+     * precision as low as that of the IEEE 754 16-bit floating-point format.
+     * 'false' indicates TENSOR_FLOAT32 must be calculated using at least the
+     * range and precision of the IEEE 754 32-bit floating-point format.
+     */
+    bool relaxComputationFloat32toFloat16;
 };
diff --git a/neuralnetworks/1.1/vts/OWNERS b/neuralnetworks/1.1/vts/OWNERS
new file mode 100644
index 0000000..7f75ab3
--- /dev/null
+++ b/neuralnetworks/1.1/vts/OWNERS
@@ -0,0 +1,10 @@
+# Neuralnetworks team
+butlermichael@google.com
+dgross@google.com
+jeanluc@google.com
+miaowang@google.com
+yangni@google.com
+
+# VTS team
+yim@google.com
+yuexima@google.com
diff --git a/neuralnetworks/1.1/vts/functional/Android.bp b/neuralnetworks/1.1/vts/functional/Android.bp
new file mode 100644
index 0000000..623b441
--- /dev/null
+++ b/neuralnetworks/1.1/vts/functional/Android.bp
@@ -0,0 +1,39 @@
+//
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+    name: "VtsHalNeuralnetworksV1_1TargetTest",
+    srcs: [
+        "VtsHalNeuralnetworksV1_1.cpp",
+        "VtsHalNeuralnetworksV1_1BasicTest.cpp",
+        "VtsHalNeuralnetworksV1_1GeneratedTest.cpp",
+    ],
+    defaults: ["VtsHalTargetTestDefaults"],
+    static_libs: [
+        "android.hardware.neuralnetworks@1.0",
+        "android.hardware.neuralnetworks@1.1",
+        "android.hidl.allocator@1.0",
+        "android.hidl.memory@1.0",
+        "libhidlmemory",
+        "libneuralnetworks_utils",
+        "VtsHalNeuralnetworksTest_utils",
+    ],
+    header_libs: [
+        "libneuralnetworks_headers",
+        "libneuralnetworks_generated_test_harness_headers",
+        "libneuralnetworks_generated_tests",
+    ],
+}
diff --git a/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1.cpp b/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1.cpp
new file mode 100644
index 0000000..b1d3be7
--- /dev/null
+++ b/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "neuralnetworks_hidl_hal_test"
+
+#include "VtsHalNeuralnetworksV1_1.h"
+#include "Utils.h"
+
+#include <android-base/logging.h>
+#include <hidlmemory/mapping.h>
+
+using ::android::hardware::hidl_memory;
+using ::android::hidl::allocator::V1_0::IAllocator;
+using ::android::hidl::memory::V1_0::IMemory;
+using ::android::sp;
+
+namespace android {
+namespace hardware {
+namespace neuralnetworks {
+namespace V1_1 {
+namespace vts {
+namespace functional {
+
+// allocator helper
+hidl_memory allocateSharedMemory(int64_t size) {
+    return nn::allocateSharedMemory(size);
+}
+
+// A class for test environment setup
+NeuralnetworksHidlEnvironment::NeuralnetworksHidlEnvironment() {}
+
+NeuralnetworksHidlEnvironment::~NeuralnetworksHidlEnvironment() {}
+
+NeuralnetworksHidlEnvironment* NeuralnetworksHidlEnvironment::getInstance() {
+    // This has to return a "new" object because it is freed inside
+    // ::testing::AddGlobalTestEnvironment when the gtest is being torn down
+    static NeuralnetworksHidlEnvironment* instance = new NeuralnetworksHidlEnvironment();
+    return instance;
+}
+
+void NeuralnetworksHidlEnvironment::registerTestServices() {
+    registerTestService<V1_1::IDevice>();
+}
+
+// The main test class for NEURALNETWORK HIDL HAL.
+NeuralnetworksHidlTest::~NeuralnetworksHidlTest() {}
+
+void NeuralnetworksHidlTest::SetUp() {
+    device = ::testing::VtsHalHidlTargetTestBase::getService<V1_1::IDevice>(
+        NeuralnetworksHidlEnvironment::getInstance());
+    ASSERT_NE(nullptr, device.get());
+}
+
+void NeuralnetworksHidlTest::TearDown() {}
+
+}  // namespace functional
+}  // namespace vts
+}  // namespace V1_1
+}  // namespace neuralnetworks
+}  // namespace hardware
+}  // namespace android
diff --git a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.h b/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1.h
similarity index 61%
copy from neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.h
copy to neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1.h
index 5cd209a..426246c 100644
--- a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.h
+++ b/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-#ifndef VTS_HAL_NEURALNETWORKS_V1_0_TARGET_TESTS_H
-#define VTS_HAL_NEURALNETWORKS_V1_0_TARGET_TESTS_H
+#ifndef VTS_HAL_NEURALNETWORKS_V1_1_H
+#define VTS_HAL_NEURALNETWORKS_V1_1_H
 
-#include <android/hardware/neuralnetworks/1.0/IDevice.h>
 #include <android/hardware/neuralnetworks/1.0/IExecutionCallback.h>
 #include <android/hardware/neuralnetworks/1.0/IPreparedModel.h>
 #include <android/hardware/neuralnetworks/1.0/IPreparedModelCallback.h>
-#include <android/hardware/neuralnetworks/1.0/types.h>
+#include <android/hardware/neuralnetworks/1.1/IDevice.h>
+#include <android/hardware/neuralnetworks/1.1/types.h>
 #include <android/hidl/allocator/1.0/IAllocator.h>
 
 #include <VtsHalHidlTargetTestBase.h>
@@ -29,29 +29,13 @@
 #include <gtest/gtest.h>
 #include <string>
 
-using ::android::hardware::neuralnetworks::V1_0::IDevice;
-using ::android::hardware::neuralnetworks::V1_0::IPreparedModel;
-using ::android::hardware::neuralnetworks::V1_0::Capabilities;
-using ::android::hardware::neuralnetworks::V1_0::DeviceStatus;
-using ::android::hardware::neuralnetworks::V1_0::FusedActivationFunc;
-using ::android::hardware::neuralnetworks::V1_0::Model;
-using ::android::hardware::neuralnetworks::V1_0::OperationType;
-using ::android::hardware::neuralnetworks::V1_0::PerformanceInfo;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::hidl_memory;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
-using ::android::hidl::allocator::V1_0::IAllocator;
-using ::android::hidl::memory::V1_0::IMemory;
-using ::android::sp;
-
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
-namespace V1_0 {
+namespace V1_1 {
 namespace vts {
 namespace functional {
+hidl_memory allocateSharedMemory(int64_t size);
 
 // A class for test environment setup
 class NeuralnetworksHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
@@ -74,31 +58,28 @@
     void SetUp() override;
     void TearDown() override;
 
-    sp<IPreparedModel> doPrepareModelShortcut();
-
-    sp<IDevice> device;
+    sp<V1_1::IDevice> device;
 };
-
 }  // namespace functional
 }  // namespace vts
 
 // pretty-print values for error messages
 
-template<typename CharT, typename Traits>
+template <typename CharT, typename Traits>
 ::std::basic_ostream<CharT, Traits>& operator<<(::std::basic_ostream<CharT, Traits>& os,
-                                                ErrorStatus errorStatus) {
+                                                V1_0::ErrorStatus errorStatus) {
     return os << toString(errorStatus);
 }
 
-template<typename CharT, typename Traits>
+template <typename CharT, typename Traits>
 ::std::basic_ostream<CharT, Traits>& operator<<(::std::basic_ostream<CharT, Traits>& os,
-                                                DeviceStatus deviceStatus) {
+                                                V1_0::DeviceStatus deviceStatus) {
     return os << toString(deviceStatus);
 }
 
-}  // namespace V1_0
+}  // namespace V1_1
 }  // namespace neuralnetworks
 }  // namespace hardware
 }  // namespace android
 
-#endif  // VTS_HAL_NEURALNETWORKS_V1_0_TARGET_TESTS_H
+#endif  // VTS_HAL_NEURALNETWORKS_V1_1_H
diff --git a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.cpp b/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1BasicTest.cpp
similarity index 74%
copy from neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.cpp
copy to neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1BasicTest.cpp
index b99e20e..51eff2a 100644
--- a/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.cpp
+++ b/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1BasicTest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,67 +16,58 @@
 
 #define LOG_TAG "neuralnetworks_hidl_hal_test"
 
-#include "VtsHalNeuralnetworksV1_0TargetTest.h"
+#include "VtsHalNeuralnetworksV1_1.h"
 
 #include "Callbacks.h"
 #include "Models.h"
 #include "TestHarness.h"
 
 #include <android-base/logging.h>
+#include <android/hardware/neuralnetworks/1.1/IDevice.h>
+#include <android/hardware/neuralnetworks/1.1/types.h>
 #include <android/hidl/memory/1.0/IMemory.h>
 #include <hidlmemory/mapping.h>
 
+using ::android::hardware::neuralnetworks::V1_0::IPreparedModel;
+using ::android::hardware::neuralnetworks::V1_0::Capabilities;
+using ::android::hardware::neuralnetworks::V1_0::DeviceStatus;
+using ::android::hardware::neuralnetworks::V1_0::ErrorStatus;
+using ::android::hardware::neuralnetworks::V1_0::FusedActivationFunc;
+using ::android::hardware::neuralnetworks::V1_0::Operand;
+using ::android::hardware::neuralnetworks::V1_0::OperandLifeTime;
+using ::android::hardware::neuralnetworks::V1_0::OperandType;
+using ::android::hardware::neuralnetworks::V1_0::Request;
+using ::android::hardware::neuralnetworks::V1_1::IDevice;
+using ::android::hardware::neuralnetworks::V1_1::Model;
+using ::android::hardware::neuralnetworks::V1_1::Operation;
+using ::android::hardware::neuralnetworks::V1_1::OperationType;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hidl::allocator::V1_0::IAllocator;
+using ::android::hidl::memory::V1_0::IMemory;
+using ::android::sp;
+
 namespace android {
 namespace hardware {
 namespace neuralnetworks {
-namespace V1_0 {
+namespace V1_1 {
 namespace vts {
 namespace functional {
-
 using ::android::hardware::neuralnetworks::V1_0::implementation::ExecutionCallback;
 using ::android::hardware::neuralnetworks::V1_0::implementation::PreparedModelCallback;
-using ::generated_tests::MixedTypedExampleType;
 
-namespace generated_tests {
-extern void Execute(const sp<IDevice>&, std::function<Model(void)>, std::function<bool(int)>,
-                    const std::vector<MixedTypedExampleType>&);
-}
-
-// A class for test environment setup
-NeuralnetworksHidlEnvironment::NeuralnetworksHidlEnvironment() {}
-
-NeuralnetworksHidlEnvironment::~NeuralnetworksHidlEnvironment() {}
-
-NeuralnetworksHidlEnvironment* NeuralnetworksHidlEnvironment::getInstance() {
-    // This has to return a "new" object because it is freed inside
-    // ::testing::AddGlobalTestEnvironment when the gtest is being torn down
-    static NeuralnetworksHidlEnvironment* instance = new NeuralnetworksHidlEnvironment();
-    return instance;
-}
-
-void NeuralnetworksHidlEnvironment::registerTestServices() {
-    registerTestService<IDevice>();
-}
-
-// The main test class for NEURALNETWORK HIDL HAL.
-NeuralnetworksHidlTest::~NeuralnetworksHidlTest() {}
-
-void NeuralnetworksHidlTest::SetUp() {
-    device = ::testing::VtsHalHidlTargetTestBase::getService<IDevice>(
-        NeuralnetworksHidlEnvironment::getInstance());
-    ASSERT_NE(nullptr, device.get());
-}
-
-void NeuralnetworksHidlTest::TearDown() {}
-
-sp<IPreparedModel> NeuralnetworksHidlTest::doPrepareModelShortcut() {
-    Model model = createValidTestModel();
+inline sp<IPreparedModel> doPrepareModelShortcut(sp<IDevice>& device) {
+    Model model = createValidTestModel_1_1();
 
     sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
     if (preparedModelCallback == nullptr) {
         return nullptr;
     }
-    Return<ErrorStatus> prepareLaunchStatus = device->prepareModel(model, preparedModelCallback);
+    Return<ErrorStatus> prepareLaunchStatus =
+        device->prepareModel_1_1(model, preparedModelCallback);
     if (!prepareLaunchStatus.isOk() || prepareLaunchStatus != ErrorStatus::NONE) {
         return nullptr;
     }
@@ -116,8 +107,8 @@
 
 // supported operations positive test
 TEST_F(NeuralnetworksHidlTest, SupportedOperationsPositiveTest) {
-    Model model = createValidTestModel();
-    Return<void> ret = device->getSupportedOperations(
+    Model model = createValidTestModel_1_1();
+    Return<void> ret = device->getSupportedOperations_1_1(
         model, [&](ErrorStatus status, const hidl_vec<bool>& supported) {
             EXPECT_EQ(ErrorStatus::NONE, status);
             EXPECT_EQ(model.operations.size(), supported.size());
@@ -127,8 +118,8 @@
 
 // supported operations negative test 1
 TEST_F(NeuralnetworksHidlTest, SupportedOperationsNegativeTest1) {
-    Model model = createInvalidTestModel1();
-    Return<void> ret = device->getSupportedOperations(
+    Model model = createInvalidTestModel1_1_1();
+    Return<void> ret = device->getSupportedOperations_1_1(
         model, [&](ErrorStatus status, const hidl_vec<bool>& supported) {
             EXPECT_EQ(ErrorStatus::INVALID_ARGUMENT, status);
             (void)supported;
@@ -138,8 +129,8 @@
 
 // supported operations negative test 2
 TEST_F(NeuralnetworksHidlTest, SupportedOperationsNegativeTest2) {
-    Model model = createInvalidTestModel2();
-    Return<void> ret = device->getSupportedOperations(
+    Model model = createInvalidTestModel2_1_1();
+    Return<void> ret = device->getSupportedOperations_1_1(
         model, [&](ErrorStatus status, const hidl_vec<bool>& supported) {
             EXPECT_EQ(ErrorStatus::INVALID_ARGUMENT, status);
             (void)supported;
@@ -149,10 +140,11 @@
 
 // prepare simple model positive test
 TEST_F(NeuralnetworksHidlTest, SimplePrepareModelPositiveTest) {
-    Model model = createValidTestModel();
+    Model model = createValidTestModel_1_1();
     sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
     ASSERT_NE(nullptr, preparedModelCallback.get());
-    Return<ErrorStatus> prepareLaunchStatus = device->prepareModel(model, preparedModelCallback);
+    Return<ErrorStatus> prepareLaunchStatus =
+        device->prepareModel_1_1(model, preparedModelCallback);
     ASSERT_TRUE(prepareLaunchStatus.isOk());
     EXPECT_EQ(ErrorStatus::NONE, static_cast<ErrorStatus>(prepareLaunchStatus));
 
@@ -165,10 +157,11 @@
 
 // prepare simple model negative test 1
 TEST_F(NeuralnetworksHidlTest, SimplePrepareModelNegativeTest1) {
-    Model model = createInvalidTestModel1();
+    Model model = createInvalidTestModel1_1_1();
     sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
     ASSERT_NE(nullptr, preparedModelCallback.get());
-    Return<ErrorStatus> prepareLaunchStatus = device->prepareModel(model, preparedModelCallback);
+    Return<ErrorStatus> prepareLaunchStatus =
+        device->prepareModel_1_1(model, preparedModelCallback);
     ASSERT_TRUE(prepareLaunchStatus.isOk());
     EXPECT_EQ(ErrorStatus::INVALID_ARGUMENT, static_cast<ErrorStatus>(prepareLaunchStatus));
 
@@ -181,10 +174,11 @@
 
 // prepare simple model negative test 2
 TEST_F(NeuralnetworksHidlTest, SimplePrepareModelNegativeTest2) {
-    Model model = createInvalidTestModel2();
+    Model model = createInvalidTestModel2_1_1();
     sp<PreparedModelCallback> preparedModelCallback = new PreparedModelCallback();
     ASSERT_NE(nullptr, preparedModelCallback.get());
-    Return<ErrorStatus> prepareLaunchStatus = device->prepareModel(model, preparedModelCallback);
+    Return<ErrorStatus> prepareLaunchStatus =
+        device->prepareModel_1_1(model, preparedModelCallback);
     ASSERT_TRUE(prepareLaunchStatus.isOk());
     EXPECT_EQ(ErrorStatus::INVALID_ARGUMENT, static_cast<ErrorStatus>(prepareLaunchStatus));
 
@@ -201,7 +195,7 @@
     std::vector<float> expectedData = {6.0f, 8.0f, 10.0f, 12.0f};
     const uint32_t OUTPUT = 1;
 
-    sp<IPreparedModel> preparedModel = doPrepareModelShortcut();
+    sp<IPreparedModel> preparedModel = doPrepareModelShortcut(device);
     ASSERT_NE(nullptr, preparedModel.get());
     Request request = createValidTestRequest();
 
@@ -235,7 +229,7 @@
 
 // execute simple graph negative test 1
 TEST_F(NeuralnetworksHidlTest, SimpleExecuteGraphNegativeTest1) {
-    sp<IPreparedModel> preparedModel = doPrepareModelShortcut();
+    sp<IPreparedModel> preparedModel = doPrepareModelShortcut(device);
     ASSERT_NE(nullptr, preparedModel.get());
     Request request = createInvalidTestRequest1();
 
@@ -252,7 +246,7 @@
 
 // execute simple graph negative test 2
 TEST_F(NeuralnetworksHidlTest, SimpleExecuteGraphNegativeTest2) {
-    sp<IPreparedModel> preparedModel = doPrepareModelShortcut();
+    sp<IPreparedModel> preparedModel = doPrepareModelShortcut(device);
     ASSERT_NE(nullptr, preparedModel.get());
     Request request = createInvalidTestRequest2();
 
@@ -267,24 +261,14 @@
     EXPECT_EQ(ErrorStatus::INVALID_ARGUMENT, executionReturnStatus);
 }
 
-// Mixed-typed examples
-typedef MixedTypedExampleType MixedTypedExample;
-
-// in frameworks/ml/nn/runtime/tests/generated/
-#include "all_generated_vts_tests.cpp"
-
-// TODO: Add tests for execution failure, or wait_for/wait_until timeout.
-//       Discussion:
-//       https://googleplex-android-review.git.corp.google.com/#/c/platform/hardware/interfaces/+/2654636/5/neuralnetworks/1.0/vts/functional/VtsHalNeuralnetworksV1_0TargetTest.cpp@222
-
 }  // namespace functional
 }  // namespace vts
-}  // namespace V1_0
+}  // namespace V1_1
 }  // namespace neuralnetworks
 }  // namespace hardware
 }  // namespace android
 
-using android::hardware::neuralnetworks::V1_0::vts::functional::NeuralnetworksHidlEnvironment;
+using android::hardware::neuralnetworks::V1_1::vts::functional::NeuralnetworksHidlEnvironment;
 
 int main(int argc, char** argv) {
     ::testing::AddGlobalTestEnvironment(NeuralnetworksHidlEnvironment::getInstance());
diff --git a/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1GeneratedTest.cpp b/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1GeneratedTest.cpp
new file mode 100644
index 0000000..025d9fe
--- /dev/null
+++ b/neuralnetworks/1.1/vts/functional/VtsHalNeuralnetworksV1_1GeneratedTest.cpp
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "neuralnetworks_hidl_hal_test"
+
+#include "VtsHalNeuralnetworksV1_1.h"
+
+#include "Callbacks.h"
+#include "TestHarness.h"
+
+#include <android-base/logging.h>
+#include <android/hardware/neuralnetworks/1.1/IDevice.h>
+#include <android/hardware/neuralnetworks/1.1/types.h>
+#include <android/hidl/memory/1.0/IMemory.h>
+#include <hidlmemory/mapping.h>
+
+using ::android::hardware::neuralnetworks::V1_0::IPreparedModel;
+using ::android::hardware::neuralnetworks::V1_0::Capabilities;
+using ::android::hardware::neuralnetworks::V1_0::DeviceStatus;
+using ::android::hardware::neuralnetworks::V1_0::ErrorStatus;
+using ::android::hardware::neuralnetworks::V1_0::FusedActivationFunc;
+using ::android::hardware::neuralnetworks::V1_0::Operand;
+using ::android::hardware::neuralnetworks::V1_0::OperandLifeTime;
+using ::android::hardware::neuralnetworks::V1_0::OperandType;
+using ::android::hardware::neuralnetworks::V1_0::Request;
+using ::android::hardware::neuralnetworks::V1_1::IDevice;
+using ::android::hardware::neuralnetworks::V1_1::Model;
+using ::android::hardware::neuralnetworks::V1_1::Operation;
+using ::android::hardware::neuralnetworks::V1_1::OperationType;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hidl::allocator::V1_0::IAllocator;
+using ::android::hidl::memory::V1_0::IMemory;
+using ::android::sp;
+
+namespace android {
+namespace hardware {
+namespace neuralnetworks {
+
+namespace generated_tests {
+using ::generated_tests::MixedTypedExampleType;
+extern void Execute(sp<V1_1::IDevice>&, std::function<Model(void)>, std::function<bool(int)>,
+                    const std::vector<MixedTypedExampleType>&);
+}  // namespace generated_tests
+
+namespace V1_1 {
+namespace vts {
+namespace functional {
+using ::android::hardware::neuralnetworks::V1_0::implementation::ExecutionCallback;
+using ::android::hardware::neuralnetworks::V1_0::implementation::PreparedModelCallback;
+
+// Mixed-typed examples
+typedef generated_tests::MixedTypedExampleType MixedTypedExample;
+
+// in frameworks/ml/nn/runtime/tests/generated/
+#include "all_generated_V1_0_vts_tests.cpp"
+#include "all_generated_V1_1_vts_tests.cpp"
+
+}  // namespace functional
+}  // namespace vts
+}  // namespace V1_1
+}  // namespace neuralnetworks
+}  // namespace hardware
+}  // namespace android
diff --git a/nfc/1.0/vts/functional/VtsHalNfcV1_0TargetTest.cpp b/nfc/1.0/vts/functional/VtsHalNfcV1_0TargetTest.cpp
index 2f00fbb..e17c961 100644
--- a/nfc/1.0/vts/functional/VtsHalNfcV1_0TargetTest.cpp
+++ b/nfc/1.0/vts/functional/VtsHalNfcV1_0TargetTest.cpp
@@ -24,6 +24,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::nfc::V1_0::INfc;
 using ::android::hardware::nfc::V1_0::INfcClientCallback;
@@ -93,11 +94,26 @@
     };
 };
 
+// Test environment for Nfc HIDL HAL.
+class NfcHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static NfcHidlEnvironment* Instance() {
+    static NfcHidlEnvironment* instance = new NfcHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<INfc>(); }
+ private:
+  NfcHidlEnvironment() {}
+};
+
 // The main test class for NFC HIDL HAL.
 class NfcHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    nfc_ = ::testing::VtsHalHidlTargetTestBase::getService<INfc>();
+    nfc_ = ::testing::VtsHalHidlTargetTestBase::getService<INfc>(
+        NfcHidlEnvironment::Instance()->getServiceName<INfc>());
     ASSERT_NE(nfc_, nullptr);
 
     nfc_cb_ = new NfcClientCallback();
@@ -163,15 +179,6 @@
   sp<NfcClientCallback> nfc_cb_;
 };
 
-// A class for test environment setup (kept since this file is a template).
-class NfcHidlEnvironment : public ::testing::Environment {
- public:
-  virtual void SetUp() {}
-  virtual void TearDown() {}
-
- private:
-};
-
 /*
  * OpenAndClose:
  * Makes an open call, waits for NfcEvent.OPEN_CPLT
@@ -586,8 +593,9 @@
 }
 
 int main(int argc, char** argv) {
-  ::testing::AddGlobalTestEnvironment(new NfcHidlEnvironment);
+  ::testing::AddGlobalTestEnvironment(NfcHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  NfcHidlEnvironment::Instance()->init(&argc, argv);
 
   std::system("svc nfc disable"); /* Turn off NFC */
   sleep(5);
diff --git a/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp b/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp
index a5b40d4..bef412b 100644
--- a/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp
+++ b/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp
@@ -25,6 +25,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::nfc::V1_1::INfc;
 using ::android::hardware::nfc::V1_1::INfcClientCallback;
@@ -78,6 +79,20 @@
     };
 };
 
+// Test environment for Nfc HIDL HAL.
+class NfcHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static NfcHidlEnvironment* Instance() {
+        static NfcHidlEnvironment* instance = new NfcHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<INfc>(); }
+   private:
+    NfcHidlEnvironment() {}
+};
+
 // The main test class for NFC HIDL HAL.
 class NfcHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
@@ -127,15 +142,6 @@
     sp<NfcClientCallback> nfc_cb_;
 };
 
-// A class for test environment setup (kept since this file is a template).
-class NfcHidlEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-
-   private:
-};
-
 /*
  * factoryReset
  * calls factoryReset()
@@ -204,8 +210,9 @@
 }
 
 int main(int argc, char** argv) {
-    ::testing::AddGlobalTestEnvironment(new NfcHidlEnvironment);
+    ::testing::AddGlobalTestEnvironment(NfcHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    NfcHidlEnvironment::Instance()->init(&argc, argv);
 
     std::system("svc nfc disable"); /* Turn off NFC */
     sleep(5);
diff --git a/oemlock/1.0/vts/functional/VtsHalOemLockV1_0TargetTest.cpp b/oemlock/1.0/vts/functional/VtsHalOemLockV1_0TargetTest.cpp
index a924fec..05462a8 100644
--- a/oemlock/1.0/vts/functional/VtsHalOemLockV1_0TargetTest.cpp
+++ b/oemlock/1.0/vts/functional/VtsHalOemLockV1_0TargetTest.cpp
@@ -13,10 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 #include <android/hardware/oemlock/1.0/IOemLock.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::oemlock::V1_0::IOemLock;
 using ::android::hardware::oemlock::V1_0::OemLockStatus;
@@ -25,9 +25,22 @@
 using ::android::hardware::hidl_vec;
 using ::android::sp;
 
+// Test environment for OemLock HIDL HAL.
+class OemLockHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static OemLockHidlEnvironment* Instance() {
+        static OemLockHidlEnvironment* instance = new OemLockHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IOemLock>(); }
+};
+
 struct OemLockHidlTest : public ::testing::VtsHalHidlTargetTestBase {
     virtual void SetUp() override {
-        oemlock = ::testing::VtsHalHidlTargetTestBase::getService<IOemLock>();
+        oemlock = ::testing::VtsHalHidlTargetTestBase::getService<IOemLock>(
+            OemLockHidlEnvironment::Instance()->getServiceName<IOemLock>());
         ASSERT_NE(oemlock, nullptr);
     }
 
@@ -187,3 +200,12 @@
     ASSERT_EQ(status, OemLockStatus::OK);
     ASSERT_EQ(allowed, originallyAllowed);
 };
+
+int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(OemLockHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    OemLockHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
+}
diff --git a/radio/1.0/types.hal b/radio/1.0/types.hal
index 4d22bc0..6787a82 100644
--- a/radio/1.0/types.hal
+++ b/radio/1.0/types.hal
@@ -1292,10 +1292,9 @@
                                           // from cell to device.
                                           // Approximate distance is calculated using
                                           // 300m/us * timingAdvance.
-                                          // Range: 0 to 0x7FFFFFFE
-                                          // INT_MAX : 0x7FFFFFFF denotes invalid value.
-                                          // Reference: 3GPP 36.321 section 6.1.3.5
-                                          // also: http://www.cellular-planningoptimization.com/2010/02/timing-advance-with-calculation.html
+                                          // Range: 0 to 1282 inclusive.
+                                          // INT_MAX : 0x7FFFFFFF denotes unknown value.
+                                          // Reference: 3GPP 36.213 section 4.2.3
 };
 
 struct TdScdmaSignalStrength {
diff --git a/radio/1.0/vts/functional/VtsHalRadioV1_0TargetTest.cpp b/radio/1.0/vts/functional/VtsHalRadioV1_0TargetTest.cpp
index a3eb54c..d53c062 100644
--- a/radio/1.0/vts/functional/VtsHalRadioV1_0TargetTest.cpp
+++ b/radio/1.0/vts/functional/VtsHalRadioV1_0TargetTest.cpp
@@ -17,7 +17,9 @@
 #include <radio_hidl_hal_utils_v1_0.h>
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(RadioHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    RadioHidlEnvironment::Instance()->init(&argc, argv);
 
     // setup seed for rand function
     int seedSrand = time(NULL);
@@ -28,4 +30,4 @@
     LOG(INFO) << "Test result = " << status;
 
     return status;
-}
\ No newline at end of file
+}
diff --git a/radio/1.0/vts/functional/VtsHalSapV1_0TargetTest.cpp b/radio/1.0/vts/functional/VtsHalSapV1_0TargetTest.cpp
index 84b67c9..859e6fb 100644
--- a/radio/1.0/vts/functional/VtsHalSapV1_0TargetTest.cpp
+++ b/radio/1.0/vts/functional/VtsHalSapV1_0TargetTest.cpp
@@ -17,7 +17,9 @@
 #include <sap_hidl_hal_utils.h>
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(SapHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    SapHidlEnvironment::Instance()->init(&argc, argv);
 
     // setup seed for rand function
     int seedSrand = time(NULL);
diff --git a/radio/1.0/vts/functional/radio_hidl_hal_test.cpp b/radio/1.0/vts/functional/radio_hidl_hal_test.cpp
index 1c7653b..d9c00ce 100644
--- a/radio/1.0/vts/functional/radio_hidl_hal_test.cpp
+++ b/radio/1.0/vts/functional/radio_hidl_hal_test.cpp
@@ -17,12 +17,13 @@
 #include <radio_hidl_hal_utils_v1_0.h>
 
 void RadioHidlTest::SetUp() {
-    radio =
-        ::testing::VtsHalHidlTargetTestBase::getService<IRadio>(hidl_string(RADIO_SERVICE_NAME));
+    radio = ::testing::VtsHalHidlTargetTestBase::getService<IRadio>(
+        RadioHidlEnvironment::Instance()->getServiceName<IRadio>(hidl_string(RADIO_SERVICE_NAME)));
     if (radio == NULL) {
         sleep(60);
         radio = ::testing::VtsHalHidlTargetTestBase::getService<IRadio>(
-            hidl_string(RADIO_SERVICE_NAME));
+            RadioHidlEnvironment::Instance()->getServiceName<IRadio>(
+                hidl_string(RADIO_SERVICE_NAME)));
     }
     ASSERT_NE(nullptr, radio.get());
 
@@ -67,4 +68,4 @@
     }
     count--;
     return status;
-}
\ No newline at end of file
+}
diff --git a/radio/1.0/vts/functional/radio_hidl_hal_utils_v1_0.h b/radio/1.0/vts/functional/radio_hidl_hal_utils_v1_0.h
index 6b95ab0..15ac0b8 100644
--- a/radio/1.0/vts/functional/radio_hidl_hal_utils_v1_0.h
+++ b/radio/1.0/vts/functional/radio_hidl_hal_utils_v1_0.h
@@ -17,6 +17,7 @@
 #include <android-base/logging.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <chrono>
 #include <condition_variable>
 #include <mutex>
@@ -511,6 +512,20 @@
                             const ::android::hardware::hidl_string& reason);
 };
 
+// Test environment for Radio HIDL HAL.
+class RadioHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static RadioHidlEnvironment* Instance() {
+        static RadioHidlEnvironment* instance = new RadioHidlEnvironment;
+        return instance;
+    }
+    virtual void registerTestServices() override { registerTestService<IRadio>(); }
+
+   private:
+    RadioHidlEnvironment() {}
+};
+
 // The main test class for Radio HIDL.
 class RadioHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    protected:
diff --git a/radio/1.0/vts/functional/sap_hidl_hal_test.cpp b/radio/1.0/vts/functional/sap_hidl_hal_test.cpp
index fc8cb2a..79668bb 100644
--- a/radio/1.0/vts/functional/sap_hidl_hal_test.cpp
+++ b/radio/1.0/vts/functional/sap_hidl_hal_test.cpp
@@ -17,7 +17,8 @@
 #include <sap_hidl_hal_utils.h>
 
 void SapHidlTest::SetUp() {
-    sap = ::testing::VtsHalHidlTargetTestBase::getService<ISap>(hidl_string(SAP_SERVICE_NAME));
+    sap = ::testing::VtsHalHidlTargetTestBase::getService<ISap>(
+        SapHidlEnvironment::Instance()->getServiceName<ISap>(hidl_string(SAP_SERVICE_NAME)));
     ASSERT_NE(sap, nullptr);
 
     sapCb = new SapCallback(*this);
@@ -49,4 +50,4 @@
     }
     count--;
     return status;
-}
\ No newline at end of file
+}
diff --git a/radio/1.0/vts/functional/sap_hidl_hal_utils.h b/radio/1.0/vts/functional/sap_hidl_hal_utils.h
index fb142b7..ec237dc 100644
--- a/radio/1.0/vts/functional/sap_hidl_hal_utils.h
+++ b/radio/1.0/vts/functional/sap_hidl_hal_utils.h
@@ -17,6 +17,7 @@
 #include <android-base/logging.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <chrono>
 #include <condition_variable>
 #include <mutex>
@@ -79,6 +80,20 @@
     Return<void> transferProtocolResponse(int32_t token, SapResultCode resultCode);
 };
 
+// Test environment for Sap HIDL HAL.
+class SapHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static SapHidlEnvironment* Instance() {
+        static SapHidlEnvironment* instance = new SapHidlEnvironment;
+        return instance;
+    }
+    virtual void registerTestServices() override { registerTestService<ISap>(); }
+
+   private:
+    SapHidlEnvironment() {}
+};
+
 // The main test class for Sap HIDL.
 class SapHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    private:
@@ -102,4 +117,4 @@
 
     /* Sap Callback object */
     sp<SapCallback> sapCb;
-};
\ No newline at end of file
+};
diff --git a/radio/1.1/vts/functional/VtsHalRadioV1_1TargetTest.cpp b/radio/1.1/vts/functional/VtsHalRadioV1_1TargetTest.cpp
index 107a9e0..83564ee 100644
--- a/radio/1.1/vts/functional/VtsHalRadioV1_1TargetTest.cpp
+++ b/radio/1.1/vts/functional/VtsHalRadioV1_1TargetTest.cpp
@@ -17,10 +17,10 @@
 #include <radio_hidl_hal_utils_v1_1.h>
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(RadioHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
-
+    RadioHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
-
     return status;
-}
\ No newline at end of file
+}
diff --git a/radio/1.1/vts/functional/radio_hidl_hal_test.cpp b/radio/1.1/vts/functional/radio_hidl_hal_test.cpp
index 773d165..6d16cd8 100644
--- a/radio/1.1/vts/functional/radio_hidl_hal_test.cpp
+++ b/radio/1.1/vts/functional/radio_hidl_hal_test.cpp
@@ -19,11 +19,16 @@
 void RadioHidlTest_v1_1::SetUp() {
     radio_v1_1 =
         ::testing::VtsHalHidlTargetTestBase::getService<::android::hardware::radio::V1_1::IRadio>(
-            hidl_string(RADIO_SERVICE_NAME));
+            RadioHidlEnvironment::Instance()
+                ->getServiceName<::android::hardware::radio::V1_1::IRadio>(
+                    hidl_string(RADIO_SERVICE_NAME)));
     if (radio_v1_1 == NULL) {
         sleep(60);
         radio_v1_1 = ::testing::VtsHalHidlTargetTestBase::getService<
-            ::android::hardware::radio::V1_1::IRadio>(hidl_string(RADIO_SERVICE_NAME));
+            ::android::hardware::radio::V1_1::IRadio>(
+            RadioHidlEnvironment::Instance()
+                ->getServiceName<::android::hardware::radio::V1_1::IRadio>(
+                    hidl_string(RADIO_SERVICE_NAME)));
     }
     ASSERT_NE(nullptr, radio_v1_1.get());
 
diff --git a/radio/1.1/vts/functional/radio_hidl_hal_utils_v1_1.h b/radio/1.1/vts/functional/radio_hidl_hal_utils_v1_1.h
index a081ab9..36d15c7 100644
--- a/radio/1.1/vts/functional/radio_hidl_hal_utils_v1_1.h
+++ b/radio/1.1/vts/functional/radio_hidl_hal_utils_v1_1.h
@@ -17,6 +17,7 @@
 #include <android-base/logging.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <chrono>
 #include <condition_variable>
 #include <mutex>
@@ -534,6 +535,22 @@
                             const ::android::hardware::hidl_string& reason);
 };
 
+// Test environment for Radio HIDL HAL.
+class RadioHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static RadioHidlEnvironment* Instance() {
+        static RadioHidlEnvironment* instance = new RadioHidlEnvironment;
+        return instance;
+    }
+    virtual void registerTestServices() override {
+        registerTestService<::android::hardware::radio::V1_1::IRadio>();
+    }
+
+   private:
+    RadioHidlEnvironment() {}
+};
+
 // The main test class for Radio HIDL.
 class RadioHidlTest_v1_1 : public ::testing::VtsHalHidlTargetTestBase {
    protected:
diff --git a/radio/1.2/Android.bp b/radio/1.2/Android.bp
index 552e33d..a9c80b7 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",
@@ -27,12 +28,15 @@
         "CellIdentityGsm",
         "CellIdentityLte",
         "CellIdentityOperatorNames",
+        "CellIdentityTdscdma",
         "CellIdentityWcdma",
         "CellInfo",
         "CellInfoCdma",
         "CellInfoGsm",
         "CellInfoLte",
+        "CellInfoTdscdma",
         "CellInfoWcdma",
+        "DataRequestReason",
         "IncrementalResultsPeriodicityRange",
         "IndicationFilter",
         "LinkCapacityEstimate",
@@ -42,6 +46,9 @@
         "PhysicalChannelConfig",
         "RadioConst",
         "ScanIntervalRange",
+        "SignalStrength",
+        "TdscdmaSignalStrength",
+        "WcdmaSignalStrength",
     ],
     gen_java: true,
 }
diff --git a/radio/1.2/IRadio.hal b/radio/1.2/IRadio.hal
index 67ce56c..6463b0f 100644
--- a/radio/1.2/IRadio.hal
+++ b/radio/1.2/IRadio.hal
@@ -50,7 +50,7 @@
      *
      * @param serial Serial number of request.
      * @param indicationFilter 32-bit bitmap of IndicationFilter. Bits set to 1 indicate the
-     *        indications are enabled. See @1.2::IndicationFilter for the definition of each bit.
+     *     indications are enabled. See @1.2::IndicationFilter for the definition of each bit.
      *
      * Response callback is IRadioResponse.setIndicationFilterResponse()
      */
@@ -68,16 +68,16 @@
      *
      * @param serial Serial number of request.
      * @param hysteresisMs A hysteresis time in milliseconds to prevent flapping. A value of 0
-     *                     disables hysteresis.
+     *     disables hysteresis.
      * @param hysteresisDb An interval in dB defining the required magnitude change between reports.
-     *                     hysteresisDb must be smaller than the smallest threshold delta. An
-     *                     interval value of 0 disables hysteresis.
+     *     hysteresisDb must be smaller than the smallest threshold delta. An
+     *     interval value of 0 disables hysteresis.
      * @param thresholdsDbm A vector of trigger thresholds in dBm. A vector size of 0 disables the
-     *                      use of thresholds for reporting.
-     * @param ran The type of network for which to apply these thresholds.
+     *     use of thresholds for reporting.
+     * @param accessNetwork The type of network for which to apply these thresholds.
      */
     oneway setSignalStrengthReportingCriteria(int32_t serial, int32_t hysteresisMs,
-            int32_t hysteresisDb, vec<int32_t> thresholdsDbm, RadioAccessNetworks ran);
+            int32_t hysteresisDb, vec<int32_t> thresholdsDbm, AccessNetwork accessNetwork);
 
     /**
      * Sets the link capacity reporting criteria.
@@ -91,23 +91,22 @@
      *
      * @param serial Serial number of request.
      * @param hysteresisMs A hysteresis time in milliseconds to prevent flapping. A value of 0
-     *                     disables hysteresis.
+     *     disables hysteresis.
      * @param hysteresisDlKbps An interval in kbps defining the required magnitude change between DL
-     *                         reports. hysteresisDlKbps must be smaller than the smallest threshold
-     *                         delta. A value of 0 disables hysteresis.
+     *     reports. hysteresisDlKbps must be smaller than the smallest threshold delta. A value of 0
+     *     disables hysteresis.
      * @param hysteresisUlKbps An interval in kbps defining the required magnitude change between UL
-     *                         reports. hysteresisUlKbps must be smaller than the smallest threshold
-     *                         delta. A value of 0 disables hysteresis.
+     *     reports. hysteresisUlKbps must be smaller than the smallest threshold delta. A value of 0
+     *     disables hysteresis.
      * @param thresholdsDownlinkKbps A vector of trigger thresholds in kbps for downlink reports. A
-     *                               vector size of 0 disables the use of DL thresholds for
-     *                               reporting.
+     *     vector size of 0 disables the use of DL thresholds for reporting.
      * @param thresholdsUplinkKbps A vector of trigger thresholds in kbps for uplink reports. A
-     *                             vector size of 0 disables the use of UL thresholds for reporting.
-     * @param ran The type of network for which to apply these thresholds.
+     *     vector size of 0 disables the use of UL thresholds for reporting.
+     * @param accessNetwork The type of network for which to apply these thresholds.
      */
     oneway setLinkCapacityReportingCriteria(int32_t serial, int32_t hysteresisMs,
             int32_t hysteresisDlKbps, int32_t hysteresisUlKbps, vec<int32_t> thresholdsDownlinkKbps,
-            vec<int32_t> thresholdsUplinkKbps, RadioAccessNetworks ran);
+            vec<int32_t> thresholdsUplinkKbps, AccessNetwork accessNetwork);
 
     /**
      * Setup a packet data connection. If DataCallResponse.status returns DataCallFailCause:NONE,
diff --git a/radio/1.2/IRadioIndication.hal b/radio/1.2/IRadioIndication.hal
index a124557..3d93b98 100644
--- a/radio/1.2/IRadioIndication.hal
+++ b/radio/1.2/IRadioIndication.hal
@@ -34,7 +34,7 @@
      * Same information as returned by getCellInfoList() in 1.0::IRadio.
      *
      * @param type Type of radio indication
-     * @param records Current cell information known to radio
+     * @param records Current cell information
      */
      oneway cellInfoList_1_2(RadioIndicationType type, vec<CellInfo> records);
 
@@ -50,7 +50,7 @@
      * suppressed by @1.2::IRadio.setIndicationFilter_1_2().
      *
      * @param type Type of radio indication
-     * @param lce LinkCapacityEstimate information as defined in types.hal
+     * @param lce LinkCapacityEstimate
      */
     oneway currentLinkCapacityEstimate(RadioIndicationType type, LinkCapacityEstimate lce);
 
@@ -58,8 +58,16 @@
      * Indicates physical channel configurations.
      *
      * @param type Type of radio indication
-     * @param configs List of PhysicalChannelConfigs as defined in types.hal
+     * @param configs Vector of PhysicalChannelConfigs
      */
     oneway currentPhysicalChannelConfigs(RadioIndicationType type,
             vec<PhysicalChannelConfig> configs);
+
+    /**
+     * Indicates current signal strength of the radio.
+     *
+     * @param type Type of radio indication
+     * @param signalStrength SignalStrength information
+     */
+    oneway currentSignalStrength_1_2(RadioIndicationType type, SignalStrength signalStrength);
 };
diff --git a/radio/1.2/IRadioResponse.hal b/radio/1.2/IRadioResponse.hal
index 93ec4d7..f26c9ec 100644
--- a/radio/1.2/IRadioResponse.hal
+++ b/radio/1.2/IRadioResponse.hal
@@ -88,4 +88,14 @@
      *   RadioError:CANCELLED
      */
     oneway getCurrentCallsResponse_1_2(RadioResponseInfo info, vec<Call> calls);
+
+    /**
+     * @param signalStrength Current signal strength
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     */
+    oneway getSignalStrengthResponse_1_2(RadioResponseInfo info, SignalStrength signalStrength);
 };
diff --git a/radio/1.2/types.hal b/radio/1.2/types.hal
index c353645..b68895e 100644
--- a/radio/1.2/types.hal
+++ b/radio/1.2/types.hal
@@ -17,12 +17,13 @@
 package android.hardware.radio@1.2;
 
 import @1.0::Call;
-import @1.0::CdmaSignalStrength;
 import @1.0::CardState;
 import @1.0::CardStatus;
+import @1.0::CdmaSignalStrength;
 import @1.0::CellIdentityCdma;
 import @1.0::CellIdentityGsm;
 import @1.0::CellIdentityLte;
+import @1.0::CellIdentityTdscdma;
 import @1.0::CellIdentityWcdma;
 import @1.0::CellInfoTdscdma;
 import @1.0::CellInfoType;
@@ -30,10 +31,12 @@
 import @1.0::GsmSignalStrength;
 import @1.0::LteSignalStrength;
 import @1.0::RadioConst;
+import @1.0::RadioError;
+import @1.0::SignalStrength;
+import @1.0::TdScdmaSignalStrength;
 import @1.0::TimeStampType;
 import @1.0::WcdmaSignalStrength;
 import @1.1::RadioAccessSpecifier;
-import @1.0::RadioError;
 import @1.1::ScanStatus;
 import @1.1::ScanType;
 
@@ -251,6 +254,15 @@
     int32_t bandwidth;
 };
 
+struct CellIdentityTdscdma {
+    @1.0::CellIdentityTdscdma base;
+    /**
+     * 16-bit UMTS Absolute RF Channel Number defined in TS 25.102 5.4.4; this value must be valid.
+     */
+    int32_t uarfcn;
+    CellIdentityOperatorNames operatorNames;
+};
+
 struct CellIdentityWcdma {
     @1.0::CellIdentityWcdma base;
     CellIdentityOperatorNames operatorNames;
@@ -277,6 +289,11 @@
     LteSignalStrength signalStrengthLte;
 };
 
+struct CellInfoTdscdma {
+    CellIdentityTdscdma cellIdentityTdscdma;
+    TdscdmaSignalStrength signalStrengthTdscdma;
+};
+
 struct CellInfo {
     /**
      * Cell type for selecting from union CellInfo.
@@ -344,11 +361,17 @@
 
 struct LinkCapacityEstimate {
     /**
-     * Estimated downlink capacity in kbps.
+     * Estimated downlink capacity in kbps. This bandwidth estimate shall be the estimated
+     * maximum sustainable link bandwidth (as would be measured at the Upper PDCP or SNDCP SAP).
+     * If the DL Aggregate Maximum Bit Rate is known, this value shall not exceed the DL-AMBR
+     * for the Internet PDN connection.
      */
     uint32_t downlinkCapacityKbps;
     /**
-     * Estimated uplink capacity in kbps.
+     * Estimated uplink capacity in kbps. This bandwidth estimate shall be the estimated
+     * maximum sustainable link bandwidth (as would be measured at the Upper PDCP or SNDCP SAP).
+     * If the UL Aggregate Maximum Bit Rate is known, this value shall not exceed the UL-AMBR
+     * for the Internet PDN connection.
      */
     uint32_t uplinkCapacityKbps;
 };
@@ -397,3 +420,45 @@
     @1.0::Call base;
     AudioQuality audioQuality;
 };
+
+struct WcdmaSignalStrength {
+    @1.0::WcdmaSignalStrength base;
+    /**
+     * CPICH RSCP as defined in TS 25.215 5.1.1
+     * Valid values are (0-96, 255) as defined in TS 27.007 8.69
+     */
+    uint32_t rscp;
+    /**
+     * Ec/No value as defined in TS 25.215 5.1.5
+     * Valid values are (0-49, 255) as defined in TS 27.007 8.69
+     */
+    uint32_t ecno;
+
+};
+
+struct TdscdmaSignalStrength {
+    /**
+     * UTRA carrier RSSI as defined in TS 25.225 5.1.4
+     * Valid values are (0-96, 99) as defined in TS 27.007 8.69
+     */
+    uint32_t signalStrength;
+    /**
+     * Transport Channel BER as defined in TS 25.225 5.2.5
+     * Valid values are (0-49, 99) as defined in TS 27.007 8.69
+     */
+    uint32_t bitErrorRate;
+    /**
+     * P-CCPCH RSCP as defined in TS 25.225 5.1.1
+     * Valid values are (0-96, 255) as defined in TS 27.007 8.69
+     */
+    uint32_t rscp;
+};
+
+struct SignalStrength {
+    GsmSignalStrength gsm;
+    CdmaSignalStrength cdma;
+    EvdoSignalStrength evdo;
+    LteSignalStrength lte;
+    TdScdmaSignalStrength tdScdma;
+    WcdmaSignalStrength wcdma;
+};
diff --git a/radio/1.2/vts/functional/Android.bp b/radio/1.2/vts/functional/Android.bp
index 6f8781a..a4e8c02 100644
--- a/radio/1.2/vts/functional/Android.bp
+++ b/radio/1.2/vts/functional/Android.bp
@@ -22,6 +22,7 @@
         "radio_hidl_hal_test.cpp",
         "radio_response.cpp",
         "radio_indication.cpp",
+        "VtsHalRadioV1_2TargetTest.cpp",
     ],
     static_libs: [
         "RadioVtsTestUtilBase",
diff --git a/radio/1.2/vts/functional/VtsHalRadioV1_2TargetTest.cpp b/radio/1.2/vts/functional/VtsHalRadioV1_2TargetTest.cpp
new file mode 100644
index 0000000..c1a2f3d
--- /dev/null
+++ b/radio/1.2/vts/functional/VtsHalRadioV1_2TargetTest.cpp
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <radio_hidl_hal_utils_v1_2.h>
+
+int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(RadioHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    RadioHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    LOG(INFO) << "Test result = " << status;
+    return status;
+}
diff --git a/radio/1.2/vts/functional/radio_hidl_hal_test.cpp b/radio/1.2/vts/functional/radio_hidl_hal_test.cpp
index c1ab88b..d74d077 100644
--- a/radio/1.2/vts/functional/radio_hidl_hal_test.cpp
+++ b/radio/1.2/vts/functional/radio_hidl_hal_test.cpp
@@ -18,11 +18,13 @@
 
 void RadioHidlTest_v1_2::SetUp() {
     radio_v1_2 = ::testing::VtsHalHidlTargetTestBase::getService<V1_2::IRadio>(
-        hidl_string(RADIO_SERVICE_NAME));
+        RadioHidlEnvironment::Instance()->getServiceName<V1_2::IRadio>(
+            hidl_string(RADIO_SERVICE_NAME)));
     if (radio_v1_2 == NULL) {
         sleep(60);
         radio_v1_2 = ::testing::VtsHalHidlTargetTestBase::getService<V1_2::IRadio>(
-            hidl_string(RADIO_SERVICE_NAME));
+            RadioHidlEnvironment::Instance()->getServiceName<V1_2::IRadio>(
+                hidl_string(RADIO_SERVICE_NAME)));
     }
     ASSERT_NE(nullptr, radio_v1_2.get());
 
diff --git a/radio/1.2/vts/functional/radio_hidl_hal_utils_v1_2.h b/radio/1.2/vts/functional/radio_hidl_hal_utils_v1_2.h
index b3b53b1..781c12a 100644
--- a/radio/1.2/vts/functional/radio_hidl_hal_utils_v1_2.h
+++ b/radio/1.2/vts/functional/radio_hidl_hal_utils_v1_2.h
@@ -17,6 +17,7 @@
 #include <android-base/logging.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <chrono>
 #include <condition_variable>
 #include <mutex>
@@ -525,6 +526,20 @@
                             const ::android::hardware::hidl_string& reason);
 };
 
+// Test environment for Radio HIDL HAL.
+class RadioHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static RadioHidlEnvironment* Instance() {
+        static RadioHidlEnvironment* instance = new RadioHidlEnvironment;
+        return instance;
+    }
+    virtual void registerTestServices() override { registerTestService<V1_2::IRadio>(); }
+
+   private:
+    RadioHidlEnvironment() {}
+};
+
 // The main test class for Radio HIDL.
 class RadioHidlTest_v1_2 : public ::testing::VtsHalHidlTargetTestBase {
    protected:
diff --git a/radio/config/1.0/vts/functional/Android.bp b/radio/config/1.0/vts/functional/Android.bp
index 66bfd92..aa8266e 100644
--- a/radio/config/1.0/vts/functional/Android.bp
+++ b/radio/config/1.0/vts/functional/Android.bp
@@ -22,6 +22,7 @@
         "radio_config_hidl_hal_test.cpp",
         "radio_config_response.cpp",
         "radio_config_indication.cpp",
+        "VtsHalRadioConfigV1_0TargetTest.cpp",
     ],
     static_libs: [
         "RadioVtsTestUtilBase",
diff --git a/radio/config/1.0/vts/functional/VtsHalRadioConfigV1_0TargetTest.cpp b/radio/config/1.0/vts/functional/VtsHalRadioConfigV1_0TargetTest.cpp
new file mode 100644
index 0000000..2fc6b62
--- /dev/null
+++ b/radio/config/1.0/vts/functional/VtsHalRadioConfigV1_0TargetTest.cpp
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <radio_config_hidl_hal_utils.h>
+
+int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(RadioConfigHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    RadioConfigHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    LOG(INFO) << "Test result = " << status;
+    return status;
+}
diff --git a/radio/config/1.0/vts/functional/radio_config_hidl_hal_test.cpp b/radio/config/1.0/vts/functional/radio_config_hidl_hal_test.cpp
index 8df6842..c01dc4c 100644
--- a/radio/config/1.0/vts/functional/radio_config_hidl_hal_test.cpp
+++ b/radio/config/1.0/vts/functional/radio_config_hidl_hal_test.cpp
@@ -18,11 +18,13 @@
 
 void RadioConfigHidlTest::SetUp() {
     radioConfig = ::testing::VtsHalHidlTargetTestBase::getService<IRadioConfig>(
-        hidl_string(RADIO_SERVICE_NAME));
+        RadioConfigHidlEnvironment::Instance()->getServiceName<IRadioConfig>(
+            hidl_string(RADIO_SERVICE_NAME)));
     if (radioConfig == NULL) {
         sleep(60);
         radioConfig = ::testing::VtsHalHidlTargetTestBase::getService<IRadioConfig>(
-            hidl_string(RADIO_SERVICE_NAME));
+            RadioConfigHidlEnvironment::Instance()->getServiceName<IRadioConfig>(
+                hidl_string(RADIO_SERVICE_NAME)));
     }
     ASSERT_NE(nullptr, radioConfig.get());
 
diff --git a/radio/config/1.0/vts/functional/radio_config_hidl_hal_utils.h b/radio/config/1.0/vts/functional/radio_config_hidl_hal_utils.h
index 762cc98..e7d697a 100644
--- a/radio/config/1.0/vts/functional/radio_config_hidl_hal_utils.h
+++ b/radio/config/1.0/vts/functional/radio_config_hidl_hal_utils.h
@@ -17,6 +17,7 @@
 #include <android-base/logging.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <chrono>
 #include <condition_variable>
 #include <mutex>
@@ -75,6 +76,20 @@
         RadioIndicationType type, const ::android::hardware::hidl_vec<SimSlotStatus>& slotStatus);
 };
 
+// Test environment for Radio HIDL HAL.
+class RadioConfigHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static RadioConfigHidlEnvironment* Instance() {
+        static RadioConfigHidlEnvironment* instance = new RadioConfigHidlEnvironment;
+        return instance;
+    }
+    virtual void registerTestServices() override { registerTestService<IRadioConfig>(); }
+
+   private:
+    RadioConfigHidlEnvironment() {}
+};
+
 // The main test class for Radio config HIDL.
 class RadioConfigHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    protected:
diff --git a/soundtrigger/2.0/vts/functional/VtsHalSoundtriggerV2_0TargetTest.cpp b/soundtrigger/2.0/vts/functional/VtsHalSoundtriggerV2_0TargetTest.cpp
index 97956c5..59ac13e 100644
--- a/soundtrigger/2.0/vts/functional/VtsHalSoundtriggerV2_0TargetTest.cpp
+++ b/soundtrigger/2.0/vts/functional/VtsHalSoundtriggerV2_0TargetTest.cpp
@@ -30,6 +30,7 @@
 #include <android/hardware/soundtrigger/2.0/types.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #define SHORT_TIMEOUT_PERIOD (1)
 
@@ -85,12 +86,27 @@
   int mCount;
 };
 
+// Test environment for SoundTrigger HIDL HAL.
+class SoundTriggerHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static SoundTriggerHidlEnvironment* Instance() {
+        static SoundTriggerHidlEnvironment* instance = new SoundTriggerHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<ISoundTriggerHw>(); }
+
+   private:
+    SoundTriggerHidlEnvironment() {}
+};
+
 // The main test class for Sound Trigger HIDL HAL.
 class SoundTriggerHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-      mSoundTriggerHal =
-          ::testing::VtsHalHidlTargetTestBase::getService<ISoundTriggerHw>();
+      mSoundTriggerHal = ::testing::VtsHalHidlTargetTestBase::getService<ISoundTriggerHw>(
+          SoundTriggerHidlEnvironment::Instance()->getServiceName<ISoundTriggerHw>());
       ASSERT_NE(nullptr, mSoundTriggerHal.get());
       mCallback = new SoundTriggerHwCallback(*this);
       ASSERT_NE(nullptr, mCallback.get());
@@ -142,15 +158,6 @@
   sp<SoundTriggerHwCallback> mCallback;
 };
 
-// A class for test environment setup (kept since this file is a template).
-class SoundTriggerHidlEnvironment : public ::testing::Environment {
- public:
-  virtual void SetUp() {}
-  virtual void TearDown() {}
-
- private:
-};
-
 /**
  * Test ISoundTriggerHw::getProperties() method
  *
@@ -318,11 +325,11 @@
     EXPECT_TRUE(hidlReturn == 0 || hidlReturn == -ENOSYS);
 }
 
-
 int main(int argc, char** argv) {
-  ::testing::AddGlobalTestEnvironment(new SoundTriggerHidlEnvironment);
-  ::testing::InitGoogleTest(&argc, argv);
-  int status = RUN_ALL_TESTS();
-  ALOGI("Test result = %d", status);
-  return status;
+    ::testing::AddGlobalTestEnvironment(SoundTriggerHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    SoundTriggerHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
 }
diff --git a/soundtrigger/2.1/vts/functional/VtsHalSoundtriggerV2_1TargetTest.cpp b/soundtrigger/2.1/vts/functional/VtsHalSoundtriggerV2_1TargetTest.cpp
index fdd5f0d..0a2eeac 100644
--- a/soundtrigger/2.1/vts/functional/VtsHalSoundtriggerV2_1TargetTest.cpp
+++ b/soundtrigger/2.1/vts/functional/VtsHalSoundtriggerV2_1TargetTest.cpp
@@ -33,6 +33,7 @@
 #include <hidlmemory/mapping.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #define SHORT_TIMEOUT_PERIOD (1)
 
@@ -93,11 +94,27 @@
     int mCount;
 };
 
+// Test environment for SoundTrigger HIDL HAL.
+class SoundTriggerHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static SoundTriggerHidlEnvironment* Instance() {
+        static SoundTriggerHidlEnvironment* instance = new SoundTriggerHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<ISoundTriggerHw>(); }
+
+   private:
+    SoundTriggerHidlEnvironment() {}
+};
+
 // The main test class for Sound Trigger HIDL HAL.
 class SoundTriggerHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        mSoundTriggerHal = ::testing::VtsHalHidlTargetTestBase::getService<ISoundTriggerHw>();
+        mSoundTriggerHal = ::testing::VtsHalHidlTargetTestBase::getService<ISoundTriggerHw>(
+            SoundTriggerHidlEnvironment::Instance()->getServiceName<ISoundTriggerHw>());
         ASSERT_NE(nullptr, mSoundTriggerHal.get());
         mCallback = new SoundTriggerHwCallback(*this);
         ASSERT_NE(nullptr, mCallback.get());
@@ -480,3 +497,12 @@
     EXPECT_TRUE(hidlReturn.isOk());
     EXPECT_TRUE(hidlReturn == 0 || hidlReturn == -ENOSYS);
 }
+
+int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(SoundTriggerHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    SoundTriggerHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
+}
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;
diff --git a/thermal/1.0/vts/functional/VtsHalThermalV1_0TargetTest.cpp b/thermal/1.0/vts/functional/VtsHalThermalV1_0TargetTest.cpp
index dfa11a1..6f059ef 100644
--- a/thermal/1.0/vts/functional/VtsHalThermalV1_0TargetTest.cpp
+++ b/thermal/1.0/vts/functional/VtsHalThermalV1_0TargetTest.cpp
@@ -21,10 +21,11 @@
 
 #define LOG_TAG "thermal_hidl_hal_test"
 
+#include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/thermal/1.0/IThermal.h>
 #include <android/hardware/thermal/1.0/types.h>
-#include <VtsHalHidlTargetTestBase.h>
 #include <unistd.h>
 
 using ::android::hardware::hidl_string;
@@ -45,11 +46,26 @@
 #define MAX_DEVICE_TEMPERATURE 200
 #define MAX_FAN_SPEED 20000
 
+// Test environment for Thermal HIDL HAL.
+class ThermalHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static ThermalHidlEnvironment* Instance() {
+    static ThermalHidlEnvironment* instance = new ThermalHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IThermal>(); }
+ private:
+  ThermalHidlEnvironment() {}
+};
+
 // The main test class for THERMAL HIDL HAL.
 class ThermalHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    thermal_ = ::testing::VtsHalHidlTargetTestBase::getService<IThermal>();
+    thermal_ = ::testing::VtsHalHidlTargetTestBase::getService<IThermal>(
+        ThermalHidlEnvironment::Instance()->getServiceName<IThermal>());
     ASSERT_NE(thermal_, nullptr);
     baseSize_ = 0;
     names_.clear();
@@ -207,7 +223,9 @@
 }
 
 int main(int argc, char** argv) {
+  ::testing::AddGlobalTestEnvironment(ThermalHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  ThermalHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   LOG(INFO) << "Test result = " << status;
   return status;
diff --git a/thermal/1.1/vts/functional/VtsHalThermalV1_1TargetTest.cpp b/thermal/1.1/vts/functional/VtsHalThermalV1_1TargetTest.cpp
index 6c1599b..91c8b6e 100644
--- a/thermal/1.1/vts/functional/VtsHalThermalV1_1TargetTest.cpp
+++ b/thermal/1.1/vts/functional/VtsHalThermalV1_1TargetTest.cpp
@@ -20,6 +20,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::thermal::V1_0::Temperature;
 using ::android::hardware::thermal::V1_0::TemperatureType;
@@ -62,11 +63,26 @@
     }
 };
 
+// Test environment for Thermal HIDL HAL.
+class ThermalHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static ThermalHidlEnvironment* Instance() {
+        static ThermalHidlEnvironment* instance = new ThermalHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IThermal>(); }
+   private:
+    ThermalHidlEnvironment() {}
+};
+
 // The main test class for THERMAL HIDL HAL 1.1.
 class ThermalHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        mThermal = ::testing::VtsHalHidlTargetTestBase::getService<IThermal>();
+        mThermal = ::testing::VtsHalHidlTargetTestBase::getService<IThermal>(
+            ThermalHidlEnvironment::Instance()->getServiceName<IThermal>());
         ASSERT_NE(mThermal, nullptr);
         mThermalCallback = new(std::nothrow) ThermalCallback();
         ASSERT_NE(mThermalCallback, nullptr);
@@ -99,7 +115,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(ThermalHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    ThermalHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     cout << "Test result = " << status << std::endl;
     return status;
diff --git a/usb/1.0/vts/functional/VtsHalUsbV1_0TargetTest.cpp b/usb/1.0/vts/functional/VtsHalUsbV1_0TargetTest.cpp
index e01b974..ee7ef1b 100644
--- a/usb/1.0/vts/functional/VtsHalUsbV1_0TargetTest.cpp
+++ b/usb/1.0/vts/functional/VtsHalUsbV1_0TargetTest.cpp
@@ -22,6 +22,7 @@
 #include <android/hardware/usb/1.0/types.h>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <log/log.h>
 #include <stdlib.h>
 #include <chrono>
@@ -48,6 +49,18 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+// Test environment for Usb HIDL HAL.
+class UsbHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static UsbHidlEnvironment* Instance() {
+    static UsbHidlEnvironment* instance = new UsbHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IUsb>(); }
+};
+
 // The main test class for the USB hidl HAL
 class UsbHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
@@ -96,7 +109,8 @@
 
   virtual void SetUp() override {
     ALOGI("Setup");
-    usb = ::testing::VtsHalHidlTargetTestBase::getService<IUsb>();
+    usb = ::testing::VtsHalHidlTargetTestBase::getService<IUsb>(
+        UsbHidlEnvironment::Instance()->getServiceName<IUsb>());
     ASSERT_NE(usb, nullptr);
 
     usb_cb_2 = new UsbCallback(*this, 2);
@@ -343,7 +357,9 @@
 }
 
 int main(int argc, char** argv) {
+  ::testing::AddGlobalTestEnvironment(UsbHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  UsbHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   ALOGI("Test result = %d", status);
   return status;
diff --git a/usb/1.1/vts/functional/VtsHalUsbV1_1TargetTest.cpp b/usb/1.1/vts/functional/VtsHalUsbV1_1TargetTest.cpp
index 8a30993..c990b23 100644
--- a/usb/1.1/vts/functional/VtsHalUsbV1_1TargetTest.cpp
+++ b/usb/1.1/vts/functional/VtsHalUsbV1_1TargetTest.cpp
@@ -24,6 +24,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <log/log.h>
 #include <stdlib.h>
 #include <chrono>
@@ -113,12 +114,25 @@
     };
 };
 
+// Test environment for Usb HIDL HAL.
+class UsbHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static UsbHidlEnvironment* Instance() {
+        static UsbHidlEnvironment* instance = new UsbHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IUsb>(); }
+};
+
 // The main test class for the USB hidl HAL
 class UsbHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
         ALOGI(__FUNCTION__);
-        usb = ::testing::VtsHalHidlTargetTestBase::getService<IUsb>();
+        usb = ::testing::VtsHalHidlTargetTestBase::getService<IUsb>(
+            UsbHidlEnvironment::Instance()->getServiceName<IUsb>());
         ASSERT_NE(usb, nullptr);
 
         usb_cb_2 = new UsbCallback(2);
@@ -169,7 +183,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(UsbHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    UsbHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     ALOGI("Test result = %d", status);
     return status;
diff --git a/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp b/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp
index f415ad5..a0e927b 100644
--- a/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp
+++ b/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp
@@ -19,9 +19,11 @@
 #include <android-base/logging.h>
 #include <android/hardware/vibrator/1.0/IVibrator.h>
 #include <android/hardware/vibrator/1.0/types.h>
-#include <VtsHalHidlTargetTestBase.h>
 #include <unistd.h>
 
+#include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
+
 using ::android::hardware::vibrator::V1_0::Effect;
 using ::android::hardware::vibrator::V1_0::EffectStrength;
 using ::android::hardware::vibrator::V1_0::IVibrator;
@@ -30,11 +32,27 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+// Test environment for Vibrator HIDL HAL.
+class VibratorHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static VibratorHidlEnvironment* Instance() {
+      static VibratorHidlEnvironment* instance = new VibratorHidlEnvironment;
+      return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IVibrator>(); }
+
+ private:
+  VibratorHidlEnvironment() {}
+};
+
 // The main test class for VIBRATOR HIDL HAL.
 class VibratorHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   virtual void SetUp() override {
-    vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>();
+    vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>(
+        VibratorHidlEnvironment::Instance()->getServiceName<IVibrator>());
     ASSERT_NE(vibrator, nullptr);
   }
 
@@ -43,15 +61,6 @@
   sp<IVibrator> vibrator;
 };
 
-// A class for test environment setup (kept since this file is a template).
-class VibratorHidlEnvironment : public ::testing::Environment {
- public:
-  virtual void SetUp() {}
-  virtual void TearDown() {}
-
- private:
-};
-
 static void validatePerformEffect(Status status, uint32_t lengthMs) {
   ASSERT_TRUE(status == Status::OK || status == Status::UNSUPPORTED_OPERATION);
   if (status == Status::OK) {
@@ -96,8 +105,9 @@
 }
 
 int main(int argc, char **argv) {
-  ::testing::AddGlobalTestEnvironment(new VibratorHidlEnvironment);
+  ::testing::AddGlobalTestEnvironment(VibratorHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  VibratorHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   LOG(INFO) << "Test result = " << status;
   return status;
diff --git a/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp b/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp
index 35000f8..1a47fe9 100644
--- a/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp
+++ b/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "vibrator_hidl_hal_test"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/vibrator/1.1/IVibrator.h>
 #include <android/hardware/vibrator/1.1/types.h>
@@ -31,11 +32,27 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+// Test environment for Vibrator HIDL HAL.
+class VibratorHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static VibratorHidlEnvironment* Instance() {
+        static VibratorHidlEnvironment* instance = new VibratorHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IVibrator>(); }
+
+   private:
+    VibratorHidlEnvironment() {}
+};
+
 // The main test class for VIBRATOR HIDL HAL 1.1.
 class VibratorHidlTest_1_1 : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>();
+        vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>(
+            VibratorHidlEnvironment::Instance()->getServiceName<IVibrator>());
         ASSERT_NE(vibrator, nullptr);
     }
 
@@ -61,7 +78,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(VibratorHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    VibratorHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/vibrator/1.2/vts/functional/VtsHalVibratorV1_2TargetTest.cpp b/vibrator/1.2/vts/functional/VtsHalVibratorV1_2TargetTest.cpp
index d07d1b7..d8df18b 100644
--- a/vibrator/1.2/vts/functional/VtsHalVibratorV1_2TargetTest.cpp
+++ b/vibrator/1.2/vts/functional/VtsHalVibratorV1_2TargetTest.cpp
@@ -17,6 +17,7 @@
 #define LOG_TAG "vibrator_hidl_hal_test"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/vibrator/1.0/types.h>
 #include <android/hardware/vibrator/1.2/IVibrator.h>
@@ -32,11 +33,27 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+// Test environment for Vibrator HIDL HAL.
+class VibratorHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static VibratorHidlEnvironment* Instance() {
+        static VibratorHidlEnvironment* instance = new VibratorHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IVibrator>(); }
+
+   private:
+    VibratorHidlEnvironment() {}
+};
+
 // The main test class for VIBRATOR HIDL HAL 1.2.
 class VibratorHidlTest_1_2 : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
-        vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>();
+        vibrator = ::testing::VtsHalHidlTargetTestBase::getService<IVibrator>(
+            VibratorHidlEnvironment::Instance()->getServiceName<IVibrator>());
         ASSERT_NE(vibrator, nullptr);
     }
 
@@ -65,7 +82,9 @@
 }
 
 int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(VibratorHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
+    VibratorHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp b/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp
index 23f4c71..b165613 100644
--- a/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp
+++ b/vr/1.0/vts/functional/VtsHalVrV1_0TargetTest.cpp
@@ -16,6 +16,7 @@
 
 #define LOG_TAG "vr_hidl_hal_test"
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/vr/1.0/IVr.h>
 #include <hardware/vr.h>
@@ -26,11 +27,24 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+// Test environment for Vr HIDL HAL.
+class VrHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+ public:
+  // get the test environment singleton
+  static VrHidlEnvironment* Instance() {
+    static VrHidlEnvironment* instance = new VrHidlEnvironment;
+    return instance;
+  }
+
+  virtual void registerTestServices() override { registerTestService<IVr>(); }
+};
+
 // The main test class for VR HIDL HAL.
 class VrHidlTest : public ::testing::VtsHalHidlTargetTestBase {
  public:
   void SetUp() override {
-    vr = ::testing::VtsHalHidlTargetTestBase::getService<IVr>();
+    vr = ::testing::VtsHalHidlTargetTestBase::getService<IVr>(
+        VrHidlEnvironment::Instance()->getServiceName<IVr>());
     ASSERT_NE(vr, nullptr);
   }
 
@@ -39,16 +53,6 @@
   sp<IVr> vr;
 };
 
-
-// A class for test environment setup (kept since this file is a template).
-class VrHidlEnvironment : public ::testing::Environment {
- public:
-  void SetUp() {}
-  void TearDown() {}
-
- private:
-};
-
 // Sanity check that Vr::init does not crash.
 TEST_F(VrHidlTest, Init) {
   EXPECT_TRUE(vr->init().isOk());
@@ -72,8 +76,9 @@
 }
 
 int main(int argc, char **argv) {
-  ::testing::AddGlobalTestEnvironment(new VrHidlEnvironment);
+  ::testing::AddGlobalTestEnvironment(VrHidlEnvironment::Instance());
   ::testing::InitGoogleTest(&argc, argv);
+  VrHidlEnvironment::Instance()->init(&argc, argv);
   int status = RUN_ALL_TESTS();
   ALOGI("Test result = %d", status);
   return status;
diff --git a/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp b/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp
index 372d787..de2a1de 100644
--- a/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp
+++ b/weaver/1.0/vts/functional/VtsHalWeaverV1_0TargetTest.cpp
@@ -19,6 +19,7 @@
 #include <limits>
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 using ::android::hardware::weaver::V1_0::IWeaver;
 using ::android::hardware::weaver::V1_0::WeaverConfig;
@@ -33,9 +34,22 @@
 const std::vector<uint8_t> VALUE{16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
 const std::vector<uint8_t> OTHER_VALUE{0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 255, 255};
 
+// Test environment for Weaver HIDL HAL.
+class WeaverHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static WeaverHidlEnvironment* Instance() {
+        static WeaverHidlEnvironment* instance = new WeaverHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IWeaver>(); }
+};
+
 struct WeaverHidlTest : public ::testing::VtsHalHidlTargetTestBase {
     virtual void SetUp() override {
-        weaver = ::testing::VtsHalHidlTargetTestBase::getService<IWeaver>();
+        weaver = ::testing::VtsHalHidlTargetTestBase::getService<IWeaver>(
+            WeaverHidlEnvironment::Instance()->getServiceName<IWeaver>());
         ASSERT_NE(weaver, nullptr);
     }
 
@@ -334,3 +348,12 @@
     EXPECT_TRUE(readValue.empty());
     EXPECT_EQ(timeout, 0u);
 }
+
+int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(WeaverHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    WeaverHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
+}
diff --git a/wifi/1.0/vts/functional/Android.bp b/wifi/1.0/vts/functional/Android.bp
index ea27f02..b2f76a3 100644
--- a/wifi/1.0/vts/functional/Android.bp
+++ b/wifi/1.0/vts/functional/Android.bp
@@ -20,7 +20,8 @@
     srcs: [
         "wifi_hidl_call_util_selftest.cpp",
         "wifi_hidl_test.cpp",
-        "wifi_hidl_test_utils.cpp"],
+        "wifi_hidl_test_utils.cpp",
+    ],
     export_include_dirs: [
         "."
     ],
diff --git a/wifi/1.0/vts/functional/VtsHalWifiV1_0TargetTest.cpp b/wifi/1.0/vts/functional/VtsHalWifiV1_0TargetTest.cpp
index beac039..e7b8593 100644
--- a/wifi/1.0/vts/functional/VtsHalWifiV1_0TargetTest.cpp
+++ b/wifi/1.0/vts/functional/VtsHalWifiV1_0TargetTest.cpp
@@ -16,16 +16,31 @@
 
 #include <android-base/logging.h>
 
-#include <VtsHalHidlTargetTestBase.h>
-
 #include "wifi_hidl_test_utils.h"
 
-WifiHidlEnvironment* gEnv;
+class WifiVtsHidlEnvironment_1_0 : public WifiHidlEnvironment {
+   public:
+    // get the test environment singleton
+    static WifiVtsHidlEnvironment_1_0* Instance() {
+        static WifiVtsHidlEnvironment_1_0* instance =
+            new WifiVtsHidlEnvironment_1_0;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<android::hardware::wifi::V1_0::IWifi>();
+    }
+
+   private:
+    WifiVtsHidlEnvironment_1_0() {}
+};
+
+WifiHidlEnvironment* gEnv = WifiVtsHidlEnvironment_1_0::Instance();
 
 int main(int argc, char** argv) {
-    gEnv = new WifiHidlEnvironment();
     ::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/wifi/1.0/vts/functional/wifi_hidl_test_utils.cpp b/wifi/1.0/vts/functional/wifi_hidl_test_utils.cpp
index 313bdd8..97a371b 100644
--- a/wifi/1.0/vts/functional/wifi_hidl_test_utils.cpp
+++ b/wifi/1.0/vts/functional/wifi_hidl_test_utils.cpp
@@ -35,6 +35,8 @@
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
 
+extern WifiHidlEnvironment* gEnv;
+
 namespace {
 constexpr uint32_t kHalStartRetryMaxCount = 5;
 constexpr uint32_t kHalStartRetryIntervalInMs = 2;
@@ -86,7 +88,8 @@
 }  // namespace
 
 sp<IWifi> getWifi() {
-    sp<IWifi> wifi = ::testing::VtsHalHidlTargetTestBase::getService<IWifi>();
+    sp<IWifi> wifi = ::testing::VtsHalHidlTargetTestBase::getService<IWifi>(
+        gEnv->getServiceName<IWifi>());
     return wifi;
 }
 
diff --git a/wifi/1.0/vts/functional/wifi_hidl_test_utils.h b/wifi/1.0/vts/functional/wifi_hidl_test_utils.h
index c4a19dd..2b1c8ec 100644
--- a/wifi/1.0/vts/functional/wifi_hidl_test_utils.h
+++ b/wifi/1.0/vts/functional/wifi_hidl_test_utils.h
@@ -26,6 +26,7 @@
 
 #include <getopt.h>
 
+#include <VtsHalHidlTargetTestEnvBase.h>
 // Helper functions to obtain references to the various HIDL interface objects.
 // Note: We only have a single instance of each of these objects currently.
 // These helper functions should be modified to return vectors if we support
@@ -47,9 +48,9 @@
 // Used to trigger IWifi.stop() at the end of every test.
 void stopWifi();
 
-class WifiHidlEnvironment : public ::testing::Environment {
+class WifiHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
    protected:
-    virtual void SetUp() override {
+    virtual void HidlSetUp() override {
         stopWifi();
         sleep(5);
     }
diff --git a/wifi/1.1/vts/functional/VtsHalWifiV1_1TargetTest.cpp b/wifi/1.1/vts/functional/VtsHalWifiV1_1TargetTest.cpp
index 9b92b57..a0f97f8 100644
--- a/wifi/1.1/vts/functional/VtsHalWifiV1_1TargetTest.cpp
+++ b/wifi/1.1/vts/functional/VtsHalWifiV1_1TargetTest.cpp
@@ -15,17 +15,32 @@
  */
 
 #include <android-base/logging.h>
-
-#include <VtsHalHidlTargetTestBase.h>
+#include <android/hardware/wifi/1.1/IWifi.h>
 
 #include "wifi_hidl_test_utils.h"
 
-WifiHidlEnvironment* gEnv;
+class WifiHidlEnvironment_1_1 : public WifiHidlEnvironment {
+   public:
+    // get the test environment singleton
+    static WifiHidlEnvironment_1_1* Instance() {
+        static WifiHidlEnvironment_1_1* instance = new WifiHidlEnvironment_1_1;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<android::hardware::wifi::V1_1::IWifi>();
+    }
+
+   private:
+    WifiHidlEnvironment_1_1() {}
+};
+
+WifiHidlEnvironment* gEnv = WifiHidlEnvironment_1_1::Instance();
 
 int main(int argc, char** argv) {
-    gEnv = new WifiHidlEnvironment();
     ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = gEnv->initFromOptions(argc, argv);
     if (status == 0) {
         int status = RUN_ALL_TESTS();
diff --git a/wifi/1.2/default/hidl_struct_util.cpp b/wifi/1.2/default/hidl_struct_util.cpp
index 2e3e0ab..33450ab 100644
--- a/wifi/1.2/default/hidl_struct_util.cpp
+++ b/wifi/1.2/default/hidl_struct_util.cpp
@@ -26,6 +26,9 @@
 namespace implementation {
 namespace hidl_struct_util {
 
+WifiChannelWidthInMhz convertLegacyWifiChannelWidthToHidl(
+    legacy_hal::wifi_channel_width type);
+
 hidl_string safeConvertChar(const char* str, size_t max_len) {
     const char* c = str;
     size_t size = 0;
@@ -2044,7 +2047,8 @@
     *hidl_struct = {};
 
     hidl_struct->channelFreq = legacy_struct.channel;
-    hidl_struct->channelBandwidth = legacy_struct.bandwidth;
+    hidl_struct->channelBandwidth = convertLegacyWifiChannelWidthToHidl(
+        (legacy_hal::wifi_channel_width)legacy_struct.bandwidth);
     hidl_struct->numSpatialStreams = legacy_struct.nss;
 
     return true;
diff --git a/wifi/1.2/types.hal b/wifi/1.2/types.hal
index 1636ae8..b962963 100644
--- a/wifi/1.2/types.hal
+++ b/wifi/1.2/types.hal
@@ -19,6 +19,7 @@
 import @1.0::MacAddress;
 import @1.0::NanDataPathConfirmInd;
 import @1.0::WifiChannelInMhz;
+import @1.0::WifiChannelWidthInMhz;
 
 /**
  * NAN configuration request parameters added in the 1.2 HAL. These are supplemental to previous
@@ -67,7 +68,7 @@
     /**
      * Channel bandwidth in MHz.
      */
-    uint32_t channelBandwidth;
+    WifiChannelWidthInMhz channelBandwidth;
     /**
      * Number of spatial streams used in the channel.
      */
diff --git a/wifi/hostapd/1.0/vts/functional/VtsHalWifiHostapdV1_0TargetTest.cpp b/wifi/hostapd/1.0/vts/functional/VtsHalWifiHostapdV1_0TargetTest.cpp
index 64e6fbe..0303b20 100644
--- a/wifi/hostapd/1.0/vts/functional/VtsHalWifiHostapdV1_0TargetTest.cpp
+++ b/wifi/hostapd/1.0/vts/functional/VtsHalWifiHostapdV1_0TargetTest.cpp
@@ -15,20 +15,34 @@
  */
 
 #include <android-base/logging.h>
-
-#include <VtsHalHidlTargetTestBase.h>
+#include <android/hardware/wifi/1.0/IWifi.h>
 
 #include "hostapd_hidl_test_utils.h"
 
-class HostapdHidlEnvironment : public ::testing::Environment {
+class WifiHostapdHidlEnvironment_1_0 : public WifiHostapdHidlEnvironment {
    public:
-    virtual void SetUp() override { stopHostapd(); }
-    virtual void TearDown() override { startHostapdAndWaitForHidlService(); }
+    // get the test environment singleton
+    static WifiHostapdHidlEnvironment_1_0* Instance() {
+        static WifiHostapdHidlEnvironment_1_0* instance =
+            new WifiHostapdHidlEnvironment_1_0;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<::android::hardware::wifi::V1_0::IWifi>();
+        registerTestService<android::hardware::wifi::hostapd::V1_0::IHostapd>();
+    }
+
+   private:
+    WifiHostapdHidlEnvironment_1_0() {}
 };
 
+WifiHostapdHidlEnvironment* gEnv = WifiHostapdHidlEnvironment_1_0::Instance();
+
 int main(int argc, char** argv) {
-    ::testing::AddGlobalTestEnvironment(new HostapdHidlEnvironment);
+    ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.cpp b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.cpp
index 0915150..e5ba8ef 100644
--- a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.cpp
+++ b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.cpp
@@ -42,9 +42,9 @@
 using ::android::hidl::manager::V1_0::IServiceNotification;
 using ::android::wifi_system::HostapdManager;
 
-namespace {
-const char kHostapdServiceName[] = "default";
+extern WifiHostapdHidlEnvironment* gEnv;
 
+namespace {
 // Helper function to initialize the driver and firmware to AP mode
 // using the vendor HAL HIDL interface.
 void initilializeDriverAndFirmware() {
@@ -120,16 +120,17 @@
 
     android::sp<ServiceNotificationListener> notification_listener =
         new ServiceNotificationListener();
+    string service_name = gEnv->getServiceName<IHostapd>();
     ASSERT_TRUE(notification_listener->registerForHidlServiceNotifications(
-        kHostapdServiceName));
+        service_name));
 
     HostapdManager hostapd_manager;
     ASSERT_TRUE(hostapd_manager.StartHostapd());
 
-    ASSERT_TRUE(
-        notification_listener->waitForHidlService(200, kHostapdServiceName));
+    ASSERT_TRUE(notification_listener->waitForHidlService(200, service_name));
 }
 
 sp<IHostapd> getHostapd() {
-    return ::testing::VtsHalHidlTargetTestBase::getService<IHostapd>();
+    return ::testing::VtsHalHidlTargetTestBase::getService<IHostapd>(
+        gEnv->getServiceName<IHostapd>());
 }
diff --git a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.h b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.h
index 74ed284..1b92477 100644
--- a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.h
+++ b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.h
@@ -19,6 +19,8 @@
 
 #include <android/hardware/wifi/hostapd/1.0/IHostapd.h>
 
+#include <VtsHalHidlTargetTestEnvBase.h>
+
 // Used to stop the android wifi framework before every test.
 void stopWifiFramework();
 void startWifiFramework();
@@ -33,4 +35,13 @@
 // multiple instances.
 android::sp<android::hardware::wifi::hostapd::V1_0::IHostapd> getHostapd();
 
+class WifiHostapdHidlEnvironment
+    : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    virtual void HidlSetUp() override { stopHostapd(); }
+    virtual void HidlTearDown() override {
+        startHostapdAndWaitForHidlService();
+    }
+};
+
 #endif /* HOSTAPD_HIDL_TEST_UTILS_H */
diff --git a/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp b/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp
index 90c36dd..dbe4e74 100644
--- a/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp
+++ b/wifi/offload/1.0/vts/functional/VtsHalWifiOffloadV1_0TargetTest.cpp
@@ -23,6 +23,7 @@
 
 #include <VtsHalHidlTargetCallbackBase.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
 
 #include <vector>
 
@@ -68,12 +69,33 @@
     OffloadStatus error_code_;
 };
 
+// Test environment for Weaver HIDL HAL.
+class WifiOffloadHidlEnvironment
+    : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static WifiOffloadHidlEnvironment* Instance() {
+        static WifiOffloadHidlEnvironment* instance =
+            new WifiOffloadHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<IOffload>();
+    }
+
+   private:
+    WifiOffloadHidlEnvironment() {}
+};
+
 // The main test class for WifiOffload HIDL HAL.
 class WifiOffloadHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
         wifi_offload_ =
-            ::testing::VtsHalHidlTargetTestBase::getService<IOffload>();
+            ::testing::VtsHalHidlTargetTestBase::getService<IOffload>(
+                WifiOffloadHidlEnvironment::Instance()
+                    ->getServiceName<IOffload>());
         ASSERT_NE(wifi_offload_, nullptr);
 
         wifi_offload_cb_ = new OffloadCallback();
@@ -209,17 +231,10 @@
     ASSERT_EQ(true, res.no_timeout);
 }
 
-// A class for test environment setup
-class WifiOffloadHalHidlEnvironment : public ::testing::Environment {
-   public:
-    virtual void SetUp() {}
-    virtual void TearDown() {}
-};
-
 int main(int argc, char** argv) {
-    ::testing::AddGlobalTestEnvironment(new WifiOffloadHalHidlEnvironment);
+    ::testing::AddGlobalTestEnvironment(WifiOffloadHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
-
+    WifiOffloadHidlEnvironment::Instance()->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
 
diff --git a/wifi/supplicant/1.0/vts/functional/VtsHalWifiSupplicantV1_0TargetTest.cpp b/wifi/supplicant/1.0/vts/functional/VtsHalWifiSupplicantV1_0TargetTest.cpp
index 7fa20c9..adf2a85 100644
--- a/wifi/supplicant/1.0/vts/functional/VtsHalWifiSupplicantV1_0TargetTest.cpp
+++ b/wifi/supplicant/1.0/vts/functional/VtsHalWifiSupplicantV1_0TargetTest.cpp
@@ -16,21 +16,34 @@
 
 #include <android-base/logging.h>
 
-#include <VtsHalHidlTargetTestBase.h>
-
 #include "supplicant_hidl_test_utils.h"
+#include "wifi_hidl_test_utils.h"
 
-class SupplicantHidlEnvironment : public ::testing::Environment {
+class WifiSupplicantHidlEnvironment_1_0 : public WifiSupplicantHidlEnvironment {
    public:
-    virtual void SetUp() override {
-        stopSupplicant();
+    // get the test environment singleton
+    static WifiSupplicantHidlEnvironment_1_0* Instance() {
+        static WifiSupplicantHidlEnvironment_1_0* instance =
+            new WifiSupplicantHidlEnvironment_1_0;
+        return instance;
     }
-    virtual void TearDown() override { startSupplicantAndWaitForHidlService(); }
+    virtual void registerTestServices() override {
+        registerTestService<::android::hardware::wifi::V1_0::IWifi>();
+        registerTestService<
+            ::android::hardware::wifi::supplicant::V1_0::ISupplicant>();
+    }
+
+   private:
+    WifiSupplicantHidlEnvironment_1_0() {}
 };
 
+WifiSupplicantHidlEnvironment* gEnv =
+    WifiSupplicantHidlEnvironment_1_0::Instance();
+
 int main(int argc, char** argv) {
-    ::testing::AddGlobalTestEnvironment(new SupplicantHidlEnvironment);
+    ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
diff --git a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp
index 3b75508..6dd64ec 100644
--- a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp
+++ b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.cpp
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#include <android-base/logging.h>
 #include <VtsHalHidlTargetTestBase.h>
+#include <android-base/logging.h>
 
 #include <android/hidl/manager/1.0/IServiceManager.h>
 #include <android/hidl/manager/1.0/IServiceNotification.h>
@@ -49,8 +49,9 @@
 using ::android::wifi_system::InterfaceTool;
 using ::android::wifi_system::SupplicantManager;
 
+extern WifiSupplicantHidlEnvironment* gEnv;
+
 namespace {
-const char kSupplicantServiceName[] = "default";
 
 // Helper function to initialize the driver and firmware to STA mode
 // using the vendor HAL HIDL interface.
@@ -153,19 +154,20 @@
 
     android::sp<ServiceNotificationListener> notification_listener =
         new ServiceNotificationListener();
+    string service_name = gEnv->getServiceName<ISupplicant>();
     ASSERT_TRUE(notification_listener->registerForHidlServiceNotifications(
-        kSupplicantServiceName));
+        service_name));
 
     SupplicantManager supplicant_manager;
     ASSERT_TRUE(supplicant_manager.StartSupplicant());
     ASSERT_TRUE(supplicant_manager.IsSupplicantRunning());
 
-    ASSERT_TRUE(
-        notification_listener->waitForHidlService(200, kSupplicantServiceName));
+    ASSERT_TRUE(notification_listener->waitForHidlService(200, service_name));
 }
 
 sp<ISupplicant> getSupplicant() {
-    return ::testing::VtsHalHidlTargetTestBase::getService<ISupplicant>();
+    return ::testing::VtsHalHidlTargetTestBase::getService<ISupplicant>(
+        gEnv->getServiceName<ISupplicant>());
 }
 
 sp<ISupplicantStaIface> getSupplicantStaIface() {
diff --git a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.h b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.h
index 38143e4..4426ab6 100644
--- a/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.h
+++ b/wifi/supplicant/1.0/vts/functional/supplicant_hidl_test_utils.h
@@ -22,6 +22,8 @@
 #include <android/hardware/wifi/supplicant/1.0/ISupplicantStaIface.h>
 #include <android/hardware/wifi/supplicant/1.0/ISupplicantStaNetwork.h>
 
+#include <VtsHalHidlTargetTestEnvBase.h>
+
 // Used to stop the android wifi framework before every test.
 void stopWifiFramework();
 void startWifiFramework();
@@ -45,4 +47,13 @@
 
 bool turnOnExcessiveLogging();
 
+class WifiSupplicantHidlEnvironment
+    : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    virtual void HidlSetUp() override { stopSupplicant(); }
+    virtual void HidlTearDown() override {
+        startSupplicantAndWaitForHidlService();
+    }
+};
+
 #endif /* SUPPLICANT_HIDL_TEST_UTILS_H */
diff --git a/wifi/supplicant/1.1/vts/functional/Android.bp b/wifi/supplicant/1.1/vts/functional/Android.bp
index 9375cf5..188dba3 100644
--- a/wifi/supplicant/1.1/vts/functional/Android.bp
+++ b/wifi/supplicant/1.1/vts/functional/Android.bp
@@ -48,6 +48,7 @@
         "android.hardware.wifi.supplicant@1.0",
         "android.hardware.wifi.supplicant@1.1",
         "android.hardware.wifi@1.0",
+        "android.hardware.wifi@1.1",
         "libcrypto",
         "libgmock",
         "libwifi-system",
diff --git a/wifi/supplicant/1.1/vts/functional/VtsHalWifiSupplicantV1_1TargetTest.cpp b/wifi/supplicant/1.1/vts/functional/VtsHalWifiSupplicantV1_1TargetTest.cpp
index b5e369a..3d24fc3 100644
--- a/wifi/supplicant/1.1/vts/functional/VtsHalWifiSupplicantV1_1TargetTest.cpp
+++ b/wifi/supplicant/1.1/vts/functional/VtsHalWifiSupplicantV1_1TargetTest.cpp
@@ -15,20 +15,37 @@
  */
 
 #include <android-base/logging.h>
-
-#include <VtsHalHidlTargetTestBase.h>
+#include <android/hardware/wifi/1.1/IWifi.h>
+#include <android/hardware/wifi/supplicant/1.1/ISupplicant.h>
 
 #include "supplicant_hidl_test_utils.h"
+#include "wifi_hidl_test_utils.h"
 
-class SupplicantHidlEnvironment : public ::testing::Environment {
+class WifiSupplicantHidlEnvironment_1_1 : public WifiSupplicantHidlEnvironment {
    public:
-    virtual void SetUp() override { stopSupplicant(); }
-    virtual void TearDown() override { startSupplicantAndWaitForHidlService(); }
+    // get the test environment singleton
+    static WifiSupplicantHidlEnvironment_1_1* Instance() {
+        static WifiSupplicantHidlEnvironment_1_1* instance =
+            new WifiSupplicantHidlEnvironment_1_1;
+        return instance;
+    }
+    virtual void registerTestServices() override {
+        registerTestService<::android::hardware::wifi::V1_1::IWifi>();
+        registerTestService<
+            ::android::hardware::wifi::supplicant::V1_1::ISupplicant>();
+    }
+
+   private:
+    WifiSupplicantHidlEnvironment_1_1() {}
 };
 
+WifiSupplicantHidlEnvironment* gEnv =
+    WifiSupplicantHidlEnvironment_1_1::Instance();
+
 int main(int argc, char** argv) {
-    ::testing::AddGlobalTestEnvironment(new SupplicantHidlEnvironment);
+    ::testing::AddGlobalTestEnvironment(gEnv);
     ::testing::InitGoogleTest(&argc, argv);
+    gEnv->init(&argc, argv);
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;