diff --git a/audio/core/all-versions/vts/functional/VtsHalAudioV2_0TargetTest.xml b/audio/core/all-versions/vts/functional/VtsHalAudioV2_0TargetTest.xml
index 67fcdb6..3793bb5 100644
--- a/audio/core/all-versions/vts/functional/VtsHalAudioV2_0TargetTest.xml
+++ b/audio/core/all-versions/vts/functional/VtsHalAudioV2_0TargetTest.xml
@@ -17,13 +17,11 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
         <option name="run-command" value="setprop vts.native_server.on 1"/>
-        <option name="teardown-command" value="start"/>
         <option name="teardown-command" value="setprop vts.native_server.on 0"/>
     </target_preparer>
 
diff --git a/audio/core/all-versions/vts/functional/VtsHalAudioV4_0TargetTest.xml b/audio/core/all-versions/vts/functional/VtsHalAudioV4_0TargetTest.xml
index 2084060..f74ca1c 100644
--- a/audio/core/all-versions/vts/functional/VtsHalAudioV4_0TargetTest.xml
+++ b/audio/core/all-versions/vts/functional/VtsHalAudioV4_0TargetTest.xml
@@ -17,13 +17,11 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
         <option name="run-command" value="setprop vts.native_server.on 1"/>
-        <option name="teardown-command" value="start"/>
         <option name="teardown-command" value="setprop vts.native_server.on 0"/>
     </target_preparer>
 
diff --git a/audio/core/all-versions/vts/functional/VtsHalAudioV5_0TargetTest.xml b/audio/core/all-versions/vts/functional/VtsHalAudioV5_0TargetTest.xml
index 8b01e41..ccbb629 100644
--- a/audio/core/all-versions/vts/functional/VtsHalAudioV5_0TargetTest.xml
+++ b/audio/core/all-versions/vts/functional/VtsHalAudioV5_0TargetTest.xml
@@ -17,13 +17,11 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
         <option name="run-command" value="setprop vts.native_server.on 1"/>
-        <option name="teardown-command" value="start"/>
         <option name="teardown-command" value="setprop vts.native_server.on 0"/>
     </target_preparer>
 
diff --git a/audio/core/all-versions/vts/functional/VtsHalAudioV6_0TargetTest.xml b/audio/core/all-versions/vts/functional/VtsHalAudioV6_0TargetTest.xml
index 05edc0d..f035baf 100644
--- a/audio/core/all-versions/vts/functional/VtsHalAudioV6_0TargetTest.xml
+++ b/audio/core/all-versions/vts/functional/VtsHalAudioV6_0TargetTest.xml
@@ -17,13 +17,11 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
         <option name="run-command" value="setprop vts.native_server.on 1"/>
-        <option name="teardown-command" value="start"/>
         <option name="teardown-command" value="setprop vts.native_server.on 0"/>
     </target_preparer>
 
diff --git a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV2_0TargetTest.xml b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV2_0TargetTest.xml
index b6e720b..36d9324 100644
--- a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV2_0TargetTest.xml
+++ b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV2_0TargetTest.xml
@@ -17,13 +17,11 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
         <option name="run-command" value="setprop vts.native_server.on 1"/>
-        <option name="teardown-command" value="start"/>
         <option name="teardown-command" value="setprop vts.native_server.on 0"/>
     </target_preparer>
 
diff --git a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV4_0TargetTest.xml b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV4_0TargetTest.xml
index df826c8..091a4dc 100644
--- a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV4_0TargetTest.xml
+++ b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV4_0TargetTest.xml
@@ -17,13 +17,11 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
         <option name="run-command" value="setprop vts.native_server.on 1"/>
-        <option name="teardown-command" value="start"/>
         <option name="teardown-command" value="setprop vts.native_server.on 0"/>
     </target_preparer>
 
diff --git a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV5_0TargetTest.xml b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV5_0TargetTest.xml
index 14bdf43..14e90a1 100644
--- a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV5_0TargetTest.xml
+++ b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV5_0TargetTest.xml
@@ -17,13 +17,11 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
         <option name="run-command" value="setprop vts.native_server.on 1"/>
-        <option name="teardown-command" value="start"/>
         <option name="teardown-command" value="setprop vts.native_server.on 0"/>
     </target_preparer>
 
diff --git a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV6_0TargetTest.xml b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV6_0TargetTest.xml
index 23adad0..8b6c08f 100644
--- a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV6_0TargetTest.xml
+++ b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectV6_0TargetTest.xml
@@ -17,13 +17,11 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
         <option name="run-command" value="setprop vts.native_server.on 1"/>
-        <option name="teardown-command" value="start"/>
         <option name="teardown-command" value="setprop vts.native_server.on 0"/>
     </target_preparer>
 
diff --git a/automotive/vehicle/2.0/default/VehicleService.cpp b/automotive/vehicle/2.0/default/VehicleService.cpp
index 32e5e70..47133fd 100644
--- a/automotive/vehicle/2.0/default/VehicleService.cpp
+++ b/automotive/vehicle/2.0/default/VehicleService.cpp
@@ -22,6 +22,7 @@
 
 #include <android/binder_process.h>
 #include <utils/Looper.h>
+#include <vhal_v2_0/EmulatedUserHal.h>
 #include <vhal_v2_0/EmulatedVehicleConnector.h>
 #include <vhal_v2_0/EmulatedVehicleHal.h>
 #include <vhal_v2_0/VehicleHalManager.h>
@@ -34,7 +35,8 @@
 int main(int /* argc */, char* /* argv */ []) {
     auto store = std::make_unique<VehiclePropertyStore>();
     auto connector = impl::makeEmulatedPassthroughConnector();
-    auto hal = std::make_unique<impl::EmulatedVehicleHal>(store.get(), connector.get());
+    auto userHal = connector->getEmulatedUserHal();
+    auto hal = std::make_unique<impl::EmulatedVehicleHal>(store.get(), connector.get(), userHal);
     auto emulator = std::make_unique<impl::VehicleEmulator>(hal.get());
     auto service = std::make_unique<VehicleHalManager>(hal.get());
     connector->setValuePool(hal->getValuePool());
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedUserHal.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedUserHal.cpp
index c49fadc..d744a06 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedUserHal.cpp
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedUserHal.cpp
@@ -30,11 +30,14 @@
 
 constexpr int INITIAL_USER_INFO = static_cast<int>(VehicleProperty::INITIAL_USER_INFO);
 constexpr int SWITCH_USER = static_cast<int>(VehicleProperty::SWITCH_USER);
+constexpr int USER_IDENTIFICATION_ASSOCIATION =
+        static_cast<int>(VehicleProperty::USER_IDENTIFICATION_ASSOCIATION);
 
 bool EmulatedUserHal::isSupported(int32_t prop) {
     switch (prop) {
         case INITIAL_USER_INFO:
         case SWITCH_USER:
+        case USER_IDENTIFICATION_ASSOCIATION:
             return true;
         default:
             return false;
@@ -50,12 +53,41 @@
             return onSetInitialUserInfoResponse(value);
         case SWITCH_USER:
             return onSetSwitchUserResponse(value);
+        case USER_IDENTIFICATION_ASSOCIATION:
+            return onSetUserIdentificationAssociation(value);
         default:
             return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
                    << "Unsupported property: " << toString(value);
     }
 }
 
+android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::onGetProperty(
+        int32_t prop) {
+    ALOGV("onGetProperty(%d)", prop);
+    switch (prop) {
+        case INITIAL_USER_INFO:
+        case SWITCH_USER:
+            ALOGE("onGetProperty(): %d is only supported on SET", prop);
+            return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
+                   << "only supported on SET";
+        case USER_IDENTIFICATION_ASSOCIATION:
+            if (mSetUserIdentificationAssociationResponseFromCmd != nullptr) {
+                ALOGI("onGetProperty(%d): returning %s", prop,
+                      toString(*mSetUserIdentificationAssociationResponseFromCmd).c_str());
+                auto value = std::unique_ptr<VehiclePropValue>(
+                        new VehiclePropValue(*mSetUserIdentificationAssociationResponseFromCmd));
+                return value;
+            }
+            ALOGE("onGetProperty(%d): USER_IDENTIFICATION_ASSOCIATION not set by lshal", prop);
+            return android::base::Error(static_cast<int>(StatusCode::NOT_AVAILABLE))
+                   << "not set by lshal";
+        default:
+            ALOGE("onGetProperty(): %d is not supported", prop);
+            return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
+                   << "not supported by User HAL";
+    }
+}
+
 android::base::Result<std::unique_ptr<VehiclePropValue>>
 EmulatedUserHal::onSetInitialUserInfoResponse(const VehiclePropValue& value) {
     if (value.value.int32Values.size() == 0) {
@@ -130,6 +162,46 @@
     return updatedValue;
 }
 
+android::base::Result<std::unique_ptr<VehiclePropValue>>
+EmulatedUserHal::onSetUserIdentificationAssociation(const VehiclePropValue& value) {
+    if (value.value.int32Values.size() == 0) {
+        ALOGE("set(USER_IDENTIFICATION_ASSOCIATION): no int32values, ignoring it: %s",
+              toString(value).c_str());
+        return android::base::Error(static_cast<int>(StatusCode::INVALID_ARG))
+               << "no int32values on " << toString(value);
+    }
+
+    if (value.areaId != 0) {
+        ALOGD("set(USER_IDENTIFICATION_ASSOCIATION) called from lshal; storing it: %s",
+              toString(value).c_str());
+        mSetUserIdentificationAssociationResponseFromCmd.reset(new VehiclePropValue(value));
+        return {};
+    }
+    ALOGD("set(USER_IDENTIFICATION_ASSOCIATION) called from Android: %s", toString(value).c_str());
+
+    int32_t requestId = value.value.int32Values[0];
+    if (mSetUserIdentificationAssociationResponseFromCmd != nullptr) {
+        ALOGI("replying USER_IDENTIFICATION_ASSOCIATION with lshal value:  %s",
+              toString(*mSetUserIdentificationAssociationResponseFromCmd).c_str());
+        // Not moving response so it can be used on GET requests
+        auto copy = std::unique_ptr<VehiclePropValue>(
+                new VehiclePropValue(*mSetUserIdentificationAssociationResponseFromCmd));
+        return sendUserHalResponse(std::move(copy), requestId);
+    }
+
+    // Returns default response
+    auto updatedValue = std::unique_ptr<VehiclePropValue>(new VehiclePropValue);
+    updatedValue->prop = USER_IDENTIFICATION_ASSOCIATION;
+    updatedValue->timestamp = elapsedRealtimeNano();
+    updatedValue->value.int32Values.resize(1);
+    updatedValue->value.int32Values[0] = requestId;
+    updatedValue->value.stringValue = "Response not set by LSHAL";
+
+    ALOGI("no lshal response; replying with an error message: %s", toString(*updatedValue).c_str());
+
+    return updatedValue;
+}
+
 android::base::Result<std::unique_ptr<VehiclePropValue>> EmulatedUserHal::sendUserHalResponse(
         std::unique_ptr<VehiclePropValue> response, int32_t requestId) {
     switch (response->areaId) {
@@ -175,6 +247,12 @@
     } else {
         dprintf(fd, "%sNo SwitchUser response\n", indent.c_str());
     }
+    if (mSetUserIdentificationAssociationResponseFromCmd != nullptr) {
+        dprintf(fd, "%sSetUserIdentificationAssociation response: %s\n", indent.c_str(),
+                toString(*mSetUserIdentificationAssociationResponseFromCmd).c_str());
+    } else {
+        dprintf(fd, "%sNo SetUserIdentificationAssociation response\n", indent.c_str());
+    }
 }
 
 }  // namespace impl
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedUserHal.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedUserHal.h
index b25efcb..3168d75 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedUserHal.h
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedUserHal.h
@@ -46,7 +46,7 @@
     bool isSupported(int32_t prop);
 
     /**
-     * Lets the emulator handle the property.
+     * Lets the emulator set the property.
      *
      * @return updated property and StatusCode
      */
@@ -54,6 +54,13 @@
             const VehiclePropValue& value);
 
     /**
+     * Gets the property value from the emulator.
+     *
+     * @return property value and StatusCode
+     */
+    android::base::Result<std::unique_ptr<VehiclePropValue>> onGetProperty(int32_t prop);
+
+    /**
      * Shows the User HAL emulation help.
      */
     void showDumpHelp(int fd);
@@ -97,11 +104,19 @@
     android::base::Result<std::unique_ptr<VehiclePropValue>> onSetSwitchUserResponse(
             const VehiclePropValue& value);
 
+    /**
+     * Used to emulate USER_IDENTIFICATION_ASSOCIATION - see onSetInitialUserInfoResponse() for
+     * usage.
+     */
+    android::base::Result<std::unique_ptr<VehiclePropValue>> onSetUserIdentificationAssociation(
+            const VehiclePropValue& value);
+
     android::base::Result<std::unique_ptr<VehiclePropValue>> sendUserHalResponse(
             std::unique_ptr<VehiclePropValue> response, int32_t requestId);
 
     std::unique_ptr<VehiclePropValue> mInitialUserResponseFromCmd;
     std::unique_ptr<VehiclePropValue> mSwitchUserResponseFromCmd;
+    std::unique_ptr<VehiclePropValue> mSetUserIdentificationAssociationResponseFromCmd;
 };
 
 }  // namespace impl
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp
index 02c00c1..9cfcc1c 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp
@@ -92,12 +92,14 @@
     return sensorStore;
 }
 
-EmulatedVehicleHal::EmulatedVehicleHal(VehiclePropertyStore* propStore, VehicleHalClient* client)
+EmulatedVehicleHal::EmulatedVehicleHal(VehiclePropertyStore* propStore, VehicleHalClient* client,
+                                       EmulatedUserHal* emulatedUserHal)
     : mPropStore(propStore),
       mHvacPowerProps(std::begin(kHvacPowerProperties), std::end(kHvacPowerProperties)),
       mRecurrentTimer(std::bind(&EmulatedVehicleHal::onContinuousPropertyTimer, this,
                                 std::placeholders::_1)),
-      mVehicleClient(client) {
+      mVehicleClient(client),
+      mEmulatedUserHal(emulatedUserHal) {
     initStaticConfig();
     for (size_t i = 0; i < arraysize(kVehicleProperties); i++) {
         mPropStore->registerProperty(kVehicleProperties[i].config);
@@ -134,6 +136,8 @@
 VehicleHal::VehiclePropValuePtr EmulatedVehicleHal::get(
         const VehiclePropValue& requestedPropValue, StatusCode* outStatus) {
     auto propId = requestedPropValue.prop;
+    ALOGV("get(%d)", propId);
+
     auto& pool = *getValuePool();
     VehiclePropValuePtr v = nullptr;
 
@@ -147,6 +151,26 @@
             *outStatus = fillObd2DtcInfo(v.get());
             break;
         default:
+            if (mEmulatedUserHal != nullptr && mEmulatedUserHal->isSupported(propId)) {
+                ALOGI("get(): getting value for prop %d from User HAL", propId);
+                const auto& ret = mEmulatedUserHal->onGetProperty(propId);
+                if (!ret.ok()) {
+                    ALOGE("get(): User HAL returned error: %s", ret.error().message().c_str());
+                    *outStatus = StatusCode(ret.error().code());
+                } else {
+                    auto value = ret.value().get();
+                    if (value != nullptr) {
+                        ALOGI("get(): User HAL returned value: %s", toString(*value).c_str());
+                        v = getValuePool()->obtain(*value);
+                        *outStatus = StatusCode::OK;
+                    } else {
+                        ALOGE("get(): User HAL returned null value");
+                        *outStatus = StatusCode::INTERNAL_ERROR;
+                    }
+                }
+                break;
+            }
+
             auto internalPropValue = mPropStore->readValueOrNull(requestedPropValue);
             if (internalPropValue != nullptr) {
                 v = getValuePool()->obtain(*internalPropValue);
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.h
index cba4b8a..eb38d7d 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.h
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.h
@@ -30,6 +30,7 @@
 #include "vhal_v2_0/VehiclePropertyStore.h"
 
 #include "DefaultConfig.h"
+#include "EmulatedUserHal.h"
 #include "EmulatedVehicleConnector.h"
 #include "GeneratorHub.h"
 #include "VehicleEmulator.h"
@@ -45,8 +46,8 @@
 /** Implementation of VehicleHal that connected to emulator instead of real vehicle network. */
 class EmulatedVehicleHal : public EmulatedVehicleHalIface {
 public:
-    EmulatedVehicleHal(VehiclePropertyStore* propStore,
-                       VehicleHalClient* client);
+    EmulatedVehicleHal(VehiclePropertyStore* propStore, VehicleHalClient* client,
+                       EmulatedUserHal* emulatedUserHal = nullptr);
     ~EmulatedVehicleHal() = default;
 
     //  Methods from VehicleHal
@@ -90,6 +91,7 @@
     bool mInEmulator;
     bool mInitVhalValueOverride;
     std::vector<VehiclePropValue> mVehiclePropertiesOverride;
+    EmulatedUserHal* mEmulatedUserHal;
 };
 
 }  // impl
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleHalServer.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleHalServer.cpp
index ad5096e..36f2534 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleHalServer.cpp
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleHalServer.cpp
@@ -41,6 +41,10 @@
     return mValuePool;
 }
 
+EmulatedUserHal* VehicleHalServer::getEmulatedUserHal() {
+    return &mEmulatedUserHal;
+}
+
 void VehicleHalServer::setValuePool(VehiclePropValuePool* valuePool) {
     if (!valuePool) {
         LOG(WARNING) << __func__ << ": Setting value pool to nullptr!";
@@ -197,6 +201,7 @@
         }
         return StatusCode::OK;
     }
+    LOG(DEBUG) << "onSetProperty(" << value.prop << ")";
 
     // Some properties need to be treated non-trivially
     switch (value.prop) {
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleHalServer.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleHalServer.h
index 2841fbe..fca78bc 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleHalServer.h
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/VehicleHalServer.h
@@ -38,6 +38,8 @@
     // Set the Property Value Pool used in this server
     void setValuePool(VehiclePropValuePool* valuePool);
 
+    EmulatedUserHal* getEmulatedUserHal();
+
   private:
     using VehiclePropValuePtr = recyclable_ptr<VehiclePropValue>;
 
diff --git a/camera/common/1.0/default/Android.bp b/camera/common/1.0/default/Android.bp
index f4390b2..3b8b239 100644
--- a/camera/common/1.0/default/Android.bp
+++ b/camera/common/1.0/default/Android.bp
@@ -8,7 +8,7 @@
         "CameraParameters.cpp",
         "VendorTagDescriptor.cpp",
         "HandleImporter.cpp",
-        "Exif.cpp"
+        "Exif.cpp",
     ],
     cflags: [
         "-Werror",
@@ -17,6 +17,7 @@
     ],
     shared_libs: [
         "liblog",
+        "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
         "android.hardware.graphics.mapper@2.0",
@@ -25,6 +26,5 @@
         "libexif",
     ],
     include_dirs: ["system/media/private/camera/include"],
-    export_include_dirs : ["include"]
+    export_include_dirs: ["include"],
 }
-
diff --git a/camera/common/1.0/default/HandleImporter.cpp b/camera/common/1.0/default/HandleImporter.cpp
index 40cb4e0..05a552c 100644
--- a/camera/common/1.0/default/HandleImporter.cpp
+++ b/camera/common/1.0/default/HandleImporter.cpp
@@ -16,6 +16,8 @@
 
 #define LOG_TAG "HandleImporter"
 #include "HandleImporter.h"
+
+#include <gralloctypes/Gralloc4.h>
 #include <log/log.h>
 
 namespace android {
@@ -25,6 +27,9 @@
 namespace V1_0 {
 namespace helper {
 
+using aidl::android::hardware::graphics::common::PlaneLayout;
+using aidl::android::hardware::graphics::common::PlaneLayoutComponent;
+using aidl::android::hardware::graphics::common::PlaneLayoutComponentType;
 using MapperErrorV2 = android::hardware::graphics::mapper::V2_0::Error;
 using MapperErrorV3 = android::hardware::graphics::mapper::V3_0::Error;
 using MapperErrorV4 = android::hardware::graphics::mapper::V4_0::Error;
@@ -118,6 +123,79 @@
     return layout;
 }
 
+template <>
+YCbCrLayout HandleImporter::lockYCbCrInternal<IMapperV4, MapperErrorV4>(
+        const sp<IMapperV4> mapper, buffer_handle_t& buf, uint64_t cpuUsage,
+        const IMapper::Rect& accessRegion) {
+    hidl_handle acquireFenceHandle;
+    auto buffer = const_cast<native_handle_t*>(buf);
+    YCbCrLayout layout = {};
+    void* mapped = nullptr;
+
+    typename IMapperV4::Rect accessRegionV4 = {accessRegion.left, accessRegion.top,
+                                               accessRegion.width, accessRegion.height};
+    mapper->lock(buffer, cpuUsage, accessRegionV4, acquireFenceHandle,
+                 [&](const auto& tmpError, const auto& tmpPtr) {
+                     if (tmpError == MapperErrorV4::NONE) {
+                         mapped = tmpPtr;
+                     } else {
+                         ALOGE("%s: failed to lock error %d!", __FUNCTION__, tmpError);
+                     }
+                 });
+
+    if (mapped == nullptr) {
+        return layout;
+    }
+
+    hidl_vec<uint8_t> encodedPlaneLayouts;
+    mapper->get(buffer, gralloc4::MetadataType_PlaneLayouts,
+                [&](const auto& tmpError, const auto& tmpEncodedPlaneLayouts) {
+                    if (tmpError == MapperErrorV4::NONE) {
+                        encodedPlaneLayouts = tmpEncodedPlaneLayouts;
+                    } else {
+                        ALOGE("%s: failed to get plane layouts %d!", __FUNCTION__, tmpError);
+                    }
+                });
+
+    std::vector<PlaneLayout> planeLayouts;
+    gralloc4::decodePlaneLayouts(encodedPlaneLayouts, &planeLayouts);
+
+    for (const auto& planeLayout : planeLayouts) {
+        for (const auto& planeLayoutComponent : planeLayout.components) {
+            const auto& type = planeLayoutComponent.type;
+
+            if (!gralloc4::isStandardPlaneLayoutComponentType(type)) {
+                continue;
+            }
+
+            uint8_t* data = reinterpret_cast<uint8_t*>(mapped);
+            data += planeLayout.offsetInBytes;
+            data += planeLayoutComponent.offsetInBits / 8;
+
+            switch (static_cast<PlaneLayoutComponentType>(type.value)) {
+                case PlaneLayoutComponentType::Y:
+                    layout.y = data;
+                    layout.yStride = planeLayout.strideInBytes;
+                    break;
+                case PlaneLayoutComponentType::CB:
+                    layout.cb = data;
+                    layout.cStride = planeLayout.strideInBytes;
+                    layout.chromaStep = planeLayout.sampleIncrementInBits / 8;
+                    break;
+                case PlaneLayoutComponentType::CR:
+                    layout.cr = data;
+                    layout.cStride = planeLayout.strideInBytes;
+                    layout.chromaStep = planeLayout.sampleIncrementInBits / 8;
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+
+    return layout;
+}
+
 template<class M, class E>
 int HandleImporter::unlockInternal(const sp<M> mapper, buffer_handle_t& buf) {
     int releaseFence = -1;
@@ -306,13 +384,7 @@
     }
 
     if (mMapperV4 != nullptr) {
-        // No device currently supports IMapper 4.0 so it is safe to just return an error code here.
-        //
-        // This will be supported by a combination of lock and BufferMetadata getters. We are going
-        // to refactor all the IAllocator/IMapper versioning code into a shared library. We will
-        // then add the IMapper 4.0 lockYCbCr support then.
-        ALOGE("%s: MapperV4 doesn't support lockYCbCr directly!", __FUNCTION__);
-        return {};
+        return lockYCbCrInternal<IMapperV4, MapperErrorV4>(mMapperV4, buf, cpuUsage, accessRegion);
     }
 
     if (mMapperV3 != nullptr) {
diff --git a/camera/device/1.0/default/Android.bp b/camera/device/1.0/default/Android.bp
index e6e6485..da70577 100644
--- a/camera/device/1.0/default/Android.bp
+++ b/camera/device/1.0/default/Android.bp
@@ -20,15 +20,15 @@
         "android.hidl.memory@1.0",
         "libcutils",
         "liblog",
+        "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
     ],
     static_libs: [
-        "android.hardware.camera.common@1.0-helper"
+        "android.hardware.camera.common@1.0-helper",
     ],
     header_libs: [
         "media_plugin_headers",
     ],
-    export_include_dirs: ["."]
+    export_include_dirs: ["."],
 }
-
diff --git a/camera/device/3.2/default/Android.bp b/camera/device/3.2/default/Android.bp
index 878878d..be2de07 100644
--- a/camera/device/3.2/default/Android.bp
+++ b/camera/device/3.2/default/Android.bp
@@ -2,9 +2,11 @@
     name: "camera.device@3.2-impl",
     defaults: ["hidl_defaults"],
     proprietary: true,
-    srcs: ["CameraDevice.cpp",
-           "CameraDeviceSession.cpp",
-           "convert.cpp"],
+    srcs: [
+        "CameraDevice.cpp",
+        "CameraDeviceSession.cpp",
+        "convert.cpp",
+    ],
     shared_libs: [
         "libhidlbase",
         "libutils",
@@ -15,15 +17,16 @@
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@4.0",
         "liblog",
+        "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
-        "libfmq"
+        "libfmq",
     ],
     static_libs: [
-        "android.hardware.camera.common@1.0-helper"
+        "android.hardware.camera.common@1.0-helper",
     ],
     export_include_dirs: ["."],
     export_shared_lib_headers: [
         "libfmq",
-    ]
+    ],
 }
diff --git a/camera/device/3.3/default/Android.bp b/camera/device/3.3/default/Android.bp
index 7d51434..0aa0dd7 100644
--- a/camera/device/3.3/default/Android.bp
+++ b/camera/device/3.3/default/Android.bp
@@ -2,9 +2,11 @@
     name: "camera.device@3.3-impl",
     defaults: ["hidl_defaults"],
     proprietary: true,
-    srcs: ["CameraDevice.cpp",
-           "CameraDeviceSession.cpp",
-           "convert.cpp"],
+    srcs: [
+        "CameraDevice.cpp",
+        "CameraDeviceSession.cpp",
+        "convert.cpp",
+    ],
     shared_libs: [
         "libhidlbase",
         "libutils",
@@ -17,15 +19,16 @@
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@4.0",
         "liblog",
+        "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
-        "libfmq"
+        "libfmq",
     ],
     static_libs: [
-        "android.hardware.camera.common@1.0-helper"
+        "android.hardware.camera.common@1.0-helper",
     ],
     export_include_dirs: ["."],
     export_shared_lib_headers: [
         "libfmq",
-    ]
+    ],
 }
diff --git a/camera/device/3.4/default/Android.bp b/camera/device/3.4/default/Android.bp
index 59e8329..982dce1 100644
--- a/camera/device/3.4/default/Android.bp
+++ b/camera/device/3.4/default/Android.bp
@@ -17,13 +17,13 @@
 cc_library_headers {
     name: "camera.device@3.4-impl_headers",
     vendor: true,
-    export_include_dirs: ["include/device_v3_4_impl"]
+    export_include_dirs: ["include/device_v3_4_impl"],
 }
 
 cc_library_headers {
     name: "camera.device@3.4-external-impl_headers",
     vendor: true,
-    export_include_dirs: ["include/ext_device_v3_4_impl"]
+    export_include_dirs: ["include/ext_device_v3_4_impl"],
 }
 
 cc_library_shared {
@@ -34,7 +34,7 @@
     srcs: [
         "CameraDevice.cpp",
         "CameraDeviceSession.cpp",
-        "convert.cpp"
+        "convert.cpp",
     ],
     shared_libs: [
         "libhidlbase",
@@ -50,6 +50,7 @@
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@4.0",
         "liblog",
+        "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
         "libfmq",
@@ -87,6 +88,7 @@
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@4.0",
         "liblog",
+        "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
         "libfmq",
@@ -94,7 +96,7 @@
         "libyuv",
         "libjpeg",
         "libexif",
-        "libtinyxml2"
+        "libtinyxml2",
     ],
     static_libs: [
         "android.hardware.camera.common@1.0-helper",
diff --git a/camera/device/3.5/default/Android.bp b/camera/device/3.5/default/Android.bp
index 1c307ee..d106b4b 100644
--- a/camera/device/3.5/default/Android.bp
+++ b/camera/device/3.5/default/Android.bp
@@ -17,13 +17,13 @@
 cc_library_headers {
     name: "camera.device@3.5-impl_headers",
     vendor: true,
-    export_include_dirs: ["include/device_v3_5_impl"]
+    export_include_dirs: ["include/device_v3_5_impl"],
 }
 
 cc_library_headers {
     name: "camera.device@3.5-external-impl_headers",
     vendor: true,
-    export_include_dirs: ["include/ext_device_v3_5_impl"]
+    export_include_dirs: ["include/ext_device_v3_5_impl"],
 }
 
 cc_library_shared {
@@ -51,6 +51,7 @@
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@4.0",
         "liblog",
+        "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
     ],
@@ -85,6 +86,7 @@
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@4.0",
         "liblog",
+        "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
         "libfmq",
@@ -92,7 +94,7 @@
         "libyuv",
         "libjpeg",
         "libexif",
-        "libtinyxml2"
+        "libtinyxml2",
     ],
     static_libs: [
         "android.hardware.camera.common@1.0-helper",
diff --git a/camera/device/3.6/default/Android.bp b/camera/device/3.6/default/Android.bp
index a2ddebd..2871e2a 100644
--- a/camera/device/3.6/default/Android.bp
+++ b/camera/device/3.6/default/Android.bp
@@ -17,7 +17,7 @@
 cc_library_headers {
     name: "camera.device@3.6-external-impl_headers",
     vendor: true,
-    export_include_dirs: ["include/ext_device_v3_6_impl"]
+    export_include_dirs: ["include/ext_device_v3_6_impl"],
 }
 
 cc_library_shared {
@@ -48,6 +48,7 @@
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@4.0",
         "liblog",
+        "libgralloctypes",
         "libhardware",
         "libcamera_metadata",
         "libfmq",
@@ -55,7 +56,7 @@
         "libyuv",
         "libjpeg",
         "libexif",
-        "libtinyxml2"
+        "libtinyxml2",
     ],
     static_libs: [
         "android.hardware.camera.common@1.0-helper",
diff --git a/camera/metadata/3.2/types.hal b/camera/metadata/3.2/types.hal
index f5034cc..ad671d9 100644
--- a/camera/metadata/3.2/types.hal
+++ b/camera/metadata/3.2/types.hal
@@ -1343,8 +1343,8 @@
 
     /** android.sensor.rollingShutterSkew [dynamic, int64, public]
      *
-     * <p>Duration between the start of first row exposure
-     * and the start of last row exposure.</p>
+     * <p>Duration between the start of exposure for the first row of the image sensor,
+     * and the start of exposure for one past the last row of the image sensor.</p>
      */
     ANDROID_SENSOR_ROLLING_SHUTTER_SKEW,
 
diff --git a/current.txt b/current.txt
index edf96b2..575c699 100644
--- a/current.txt
+++ b/current.txt
@@ -590,6 +590,7 @@
 d3a344b7bd4c0d2658ae7209f55a979b8f53f361fd00f4fca29d5baa56d11fd2 android.hardware.automotive.evs@1.0::types
 2410dd02d67786a732d36e80b0f8ccf55086604ef37f9838e2013ff2c571e404 android.hardware.camera.device@3.5::types
 cd06a7911b9acd4a653bbf7133888878fbcb3f84be177c7a3f1becaae3d8618f android.hardware.camera.metadata@3.2::types
+5cf81b1001296fbb3c5b3d275a859244f61cec5fa858d7be9cca46c5b7dfa733 android.hardware.camera.metadata@3.2::types # b/150331548
 a05277065c28ebecd58118bd240fb8c55757361e8648c01f7c4dacdb7f2a95dc android.hardware.camera.metadata@3.3::types
 9cb3df2bde2c6cd5fd96b7c41555420cacd7e276a556c684af91b7461c86460f android.hardware.gnss@1.0::IGnssCallback
 dd6cd9dba4fde99a1bc3cb1728d82309f509a6e6e1993e5042dfa5ffe4af5442 android.hardware.gnss@2.0::IGnssMeasurementCallback
@@ -604,6 +605,7 @@
 fb382e986c10b8fbb797a8546e8f9ea6d1107bfe6f3fb7e57f6bbbf1f807a906 android.hardware.neuralnetworks@1.2::IDevice
 40e71cd693de5b832325c5d8f081f2ff20a7ba2b89d401cee5b4b3eb0e241681 android.hardware.neuralnetworks@1.2::IPreparedModel
 ee1a0dee5be00a6fe2d4d3270068c78016dcb194d768fe07ed894ea20904037f android.hardware.neuralnetworks@1.2::types
+882b1c042ff842d7c52a794fab60bf6c599ef6b100ce99fa1772615096811d05 android.hardware.neuralnetworks@1.2::types # b/155508675
 a785a57447a81e9c130eef6904c3a5c256076c6a04588c40620ebd6fa2660d77 android.hardware.radio@1.2::types
 1a6e2bd289f22931c526b21916910f1d4c436b7acb9556e4243de4ce8e6cc2e4 android.hardware.soundtrigger@2.0::ISoundTriggerHwCallback
 fd65298e1e09e0e3c781ab18305920d757dbe55a3b459ce17814ec5cf6dfee99 android.hardware.wifi@1.0::IWifiP2pIface
@@ -717,6 +719,7 @@
 ee9dc34b9925b8367b1111c72bd6d9d375432735e451572ca5a665d8516a7744 android.hardware.neuralnetworks@1.3::IPreparedModel
 eee3430cc86c97c7b407495863d8fb61da6f1a64b7721e77b9b4909b11b174e9 android.hardware.neuralnetworks@1.3::IPreparedModelCallback
 acf84925f8ee0a651f2ec547ac334034de266479b93af5434f6c1f25e66aba96 android.hardware.neuralnetworks@1.3::types
+07801d19ca8a4f20543dae6b4d0c4d8b87e5161d3c431e973a1839cb7915a666 android.hardware.neuralnetworks@1.3::types # b/155508675
 b454df853441c12f6e425e8a60dd29fda20f5e6e39b93d1103e4b37495db38aa android.hardware.radio@1.5::IRadio
 fcbb0742a88215ee7a6d7ce0825d253eb2b50391fc6c8c48667f9fd7f6d4549e android.hardware.radio@1.5::IRadioIndication
 b809193970a91ca637a4b0184767315601d32e3ef3d5992ffbc7a8d14a14f015 android.hardware.radio@1.5::IRadioResponse
diff --git a/drm/1.1/vts/functional/AndroidTest.xml b/drm/1.1/vts/functional/AndroidTest.xml
index 65c45ac..24eeb72 100644
--- a/drm/1.1/vts/functional/AndroidTest.xml
+++ b/drm/1.1/vts/functional/AndroidTest.xml
@@ -19,6 +19,10 @@
 
     <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
 
+    <target_preparer class="com.android.tradefed.targetprep.WifiPreparer" >
+        <option name="verify-only" value="true" />
+    </target_preparer>
+
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
         <option name="push-file" key="VtsHalDrmV1_1TargetTest" value="/data/local/tmp/VtsHalDrmV1_1TargetTest" />
diff --git a/drm/1.2/vts/functional/AndroidTest.xml b/drm/1.2/vts/functional/AndroidTest.xml
index 5da38ae..3285c37 100644
--- a/drm/1.2/vts/functional/AndroidTest.xml
+++ b/drm/1.2/vts/functional/AndroidTest.xml
@@ -19,6 +19,10 @@
 
     <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
 
+    <target_preparer class="com.android.tradefed.targetprep.WifiPreparer" >
+        <option name="verify-only" value="true" />
+    </target_preparer>
+
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
         <option name="push-file" key="VtsHalDrmV1_2TargetTest" value="/data/local/tmp/VtsHalDrmV1_2TargetTest" />
diff --git a/drm/1.3/vts/functional/AndroidTest.xml b/drm/1.3/vts/functional/AndroidTest.xml
index 338430f..9cc8e0c 100644
--- a/drm/1.3/vts/functional/AndroidTest.xml
+++ b/drm/1.3/vts/functional/AndroidTest.xml
@@ -19,6 +19,10 @@
 
     <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
 
+    <target_preparer class="com.android.tradefed.targetprep.WifiPreparer" >
+        <option name="verify-only" value="true" />
+    </target_preparer>
+
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
         <option name="push-file" key="VtsHalDrmV1_3TargetTest" value="/data/local/tmp/VtsHalDrmV1_3TargetTest" />
diff --git a/graphics/mapper/4.0/utils/vts/MapperVts.cpp b/graphics/mapper/4.0/utils/vts/MapperVts.cpp
index 9f907e6..5b2a94e 100644
--- a/graphics/mapper/4.0/utils/vts/MapperVts.cpp
+++ b/graphics/mapper/4.0/utils/vts/MapperVts.cpp
@@ -71,7 +71,8 @@
     return mAllocator;
 }
 
-const native_handle_t* Gralloc::cloneBuffer(const hidl_handle& rawHandle) {
+const native_handle_t* Gralloc::cloneBuffer(const hidl_handle& rawHandle,
+                                            enum Tolerance /*tolerance*/) {
     const native_handle_t* bufferHandle = native_handle_clone(rawHandle.getNativeHandle());
     EXPECT_NE(nullptr, bufferHandle);
 
@@ -84,42 +85,37 @@
 
 std::vector<const native_handle_t*> Gralloc::allocate(const BufferDescriptor& descriptor,
                                                       uint32_t count, bool import,
-                                                      bool allowFailure, uint32_t* outStride) {
+                                                      enum Tolerance tolerance,
+                                                      uint32_t* outStride) {
     std::vector<const native_handle_t*> bufferHandles;
     bufferHandles.reserve(count);
-    mAllocator->allocate(
-            descriptor, count,
-            [&](const auto& tmpError, const auto& tmpStride, const auto& tmpBuffers) {
-                if (allowFailure && tmpError == Error::UNSUPPORTED) {
-                    return;
-                }
-                ASSERT_EQ(Error::NONE, tmpError) << "failed to allocate buffers";
-                ASSERT_EQ(count, tmpBuffers.size()) << "invalid buffer array";
+    mAllocator->allocate(descriptor, count,
+                         [&](const auto& tmpError, const auto& tmpStride, const auto& tmpBuffers) {
+                             if (canTolerate(tolerance, tmpError)) {
+                                 return;
+                             }
 
-                for (uint32_t i = 0; i < count; i++) {
-                    const native_handle_t* bufferHandle = nullptr;
-                    if (import) {
-                        if (allowFailure) {
-                            bufferHandle = importBuffer(tmpBuffers[i]);
-                        } else {
-                            ASSERT_NO_FATAL_FAILURE(bufferHandle = importBuffer(tmpBuffers[i]));
-                        }
-                    } else {
-                        if (allowFailure) {
-                            bufferHandle = cloneBuffer(tmpBuffers[i]);
-                        } else {
-                            ASSERT_NO_FATAL_FAILURE(bufferHandle = cloneBuffer(tmpBuffers[i]));
-                        }
-                    }
-                    if (bufferHandle) {
-                        bufferHandles.push_back(bufferHandle);
-                    }
-                }
+                             ASSERT_EQ(Error::NONE, tmpError) << "failed to allocate buffers";
+                             ASSERT_EQ(count, tmpBuffers.size()) << "invalid buffer array";
 
-                if (outStride) {
-                    *outStride = tmpStride;
-                }
-            });
+                             for (uint32_t i = 0; i < count; i++) {
+                                 const native_handle_t* bufferHandle = nullptr;
+                                 if (import) {
+                                     ASSERT_NO_FATAL_FAILURE(
+                                             bufferHandle = importBuffer(tmpBuffers[i], tolerance));
+                                 } else {
+                                     ASSERT_NO_FATAL_FAILURE(
+                                             bufferHandle = cloneBuffer(tmpBuffers[i], tolerance));
+                                 }
+                                 if (bufferHandle) {
+                                     bufferHandles.push_back(bufferHandle);
+                                 }
+                             }
+
+                             if (outStride) {
+                                 *outStride = tmpStride;
+                             }
+                         });
 
     if (::testing::Test::HasFatalFailure()) {
         bufferHandles.clear();
@@ -129,13 +125,14 @@
 }
 
 const native_handle_t* Gralloc::allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
-                                         bool import, bool allowFailure, uint32_t* outStride) {
+                                         bool import, enum Tolerance tolerance,
+                                         uint32_t* outStride) {
     BufferDescriptor descriptor = createDescriptor(descriptorInfo);
     if (::testing::Test::HasFatalFailure()) {
         return nullptr;
     }
 
-    auto buffers = allocate(descriptor, 1, import, allowFailure, outStride);
+    auto buffers = allocate(descriptor, 1, import, tolerance, outStride);
     if (::testing::Test::HasFatalFailure()) {
         return nullptr;
     }
@@ -160,11 +157,14 @@
     return descriptor;
 }
 
-const native_handle_t* Gralloc::importBuffer(const hidl_handle& rawHandle) {
+const native_handle_t* Gralloc::importBuffer(const hidl_handle& rawHandle,
+                                             enum Tolerance tolerance) {
     const native_handle_t* bufferHandle = nullptr;
     mMapper->importBuffer(rawHandle, [&](const auto& tmpError, const auto& tmpBuffer) {
-        ASSERT_EQ(Error::NONE, tmpError)
-                << "failed to import buffer %p" << rawHandle.getNativeHandle();
+        if (!canTolerate(tolerance, tmpError)) {
+            ASSERT_EQ(Error::NONE, tmpError)
+                    << "failed to import buffer %p" << rawHandle.getNativeHandle();
+        }
         bufferHandle = static_cast<const native_handle_t*>(tmpBuffer);
     });
 
diff --git a/graphics/mapper/4.0/utils/vts/include/mapper-vts/4.0/MapperVts.h b/graphics/mapper/4.0/utils/vts/include/mapper-vts/4.0/MapperVts.h
index cd40aa4..22a935f 100644
--- a/graphics/mapper/4.0/utils/vts/include/mapper-vts/4.0/MapperVts.h
+++ b/graphics/mapper/4.0/utils/vts/include/mapper-vts/4.0/MapperVts.h
@@ -37,6 +37,16 @@
 // A wrapper to IAllocator and IMapper.
 class Gralloc {
   public:
+    enum class Tolerance : uint32_t {
+        kToleranceStrict = 0x0U,
+        kToleranceBadDescriptor = 0x1U << std::underlying_type_t<Error>(Error::BAD_DESCRIPTOR),
+        kToleranceBadBuffer = 0x1U << std::underlying_type_t<Error>(Error::BAD_BUFFER),
+        kToleranceBadValue = 0x1U << std::underlying_type_t<Error>(Error::BAD_VALUE),
+        kToleranceNoResource = 0x1U << std::underlying_type_t<Error>(Error::NO_RESOURCES),
+        kToleranceUnSupported = 0x1U << std::underlying_type_t<Error>(Error::UNSUPPORTED),
+        kToleranceAllErrors = ~0x0U,
+    };
+
     Gralloc(const std::string& allocatorServiceName = "default",
             const std::string& mapperServiceName = "default", bool errOnFailure = true);
     ~Gralloc();
@@ -49,12 +59,27 @@
     // is true, the returned buffers are also imported into the mapper.
     //
     // Either case, the returned buffers must be freed with freeBuffer.
-    std::vector<const native_handle_t*> allocate(const BufferDescriptor& descriptor, uint32_t count,
-                                                 bool import = true, bool allowFailure = false,
-                                                 uint32_t* outStride = nullptr);
+    std::vector<const native_handle_t*> allocate(
+            const BufferDescriptor& descriptor, uint32_t count, bool import = true,
+            enum Tolerance tolerance = Tolerance::kToleranceStrict, uint32_t* outStride = nullptr);
+
     const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
-                                    bool import = true, bool allowFailure = false,
-                                    uint32_t* outStride = nullptr);
+                                    bool import, enum Tolerance tolerance, uint32_t* outStride);
+
+    const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                    bool import) {
+        return allocate(descriptorInfo, import, Tolerance::kToleranceStrict);
+    }
+
+    const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                    bool import, enum Tolerance tolerance) {
+        return allocate(descriptorInfo, import, tolerance, nullptr);
+    }
+
+    const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                    bool import, uint32_t* outStride) {
+        return allocate(descriptorInfo, import, Tolerance::kToleranceStrict, outStride);
+    }
 
     // IMapper methods
 
@@ -62,7 +87,11 @@
 
     BufferDescriptor createDescriptor(const IMapper::BufferDescriptorInfo& descriptorInfo);
 
-    const native_handle_t* importBuffer(const hidl_handle& rawHandle);
+    const native_handle_t* importBuffer(const hidl_handle& rawHandle, enum Tolerance tolerance);
+    const native_handle_t* importBuffer(const hidl_handle& rawHandle) {
+        return importBuffer(rawHandle, Tolerance::kToleranceStrict);
+    }
+
     void freeBuffer(const native_handle_t* bufferHandle);
 
     // We use fd instead of hidl_handle in these functions to pass fences
@@ -96,11 +125,19 @@
                             uint64_t* outReservedSize);
 
   private:
+    bool canTolerate(Tolerance tolerance, Error error) {
+        return (std::underlying_type_t<Tolerance>(tolerance) &
+                0x1U << std::underlying_type_t<Error>(error)) != 0;
+    }
+
     void init(const std::string& allocatorServiceName, const std::string& mapperServiceName);
 
     // initialize without checking for failure to get service
     void initNoErr(const std::string& allocatorServiceName, const std::string& mapperServiceName);
-    const native_handle_t* cloneBuffer(const hidl_handle& rawHandle);
+    const native_handle_t* cloneBuffer(const hidl_handle& rawHandle, enum Tolerance tolerance);
+    const native_handle_t* cloneBuffer(const hidl_handle& rawHandle) {
+        return cloneBuffer(rawHandle, Tolerance::kToleranceStrict);
+    }
 
     sp<IAllocator> mAllocator;
     sp<IMapper> mMapper;
diff --git a/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp b/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
index 5ab647f..9e56534 100644
--- a/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
+++ b/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
@@ -24,6 +24,7 @@
 #include <aidl/android/hardware/graphics/common/PlaneLayoutComponentType.h>
 
 #include <android-base/logging.h>
+#include <android-base/unique_fd.h>
 #include <android/sync.h>
 #include <gralloctypes/Gralloc4.h>
 #include <gtest/gtest.h>
@@ -40,8 +41,10 @@
 namespace vts {
 namespace {
 
+using ::android::base::unique_fd;
 using android::hardware::graphics::common::V1_2::BufferUsage;
 using android::hardware::graphics::common::V1_2::PixelFormat;
+using Tolerance = ::android::hardware::graphics::mapper::V4_0::vts::Gralloc::Tolerance;
 using MetadataType = android::hardware::graphics::mapper::V4_0::IMapper::MetadataType;
 using aidl::android::hardware::graphics::common::BlendMode;
 using aidl::android::hardware::graphics::common::Cta861_3;
@@ -276,7 +279,7 @@
         }
     }
 
-    void verifyRGBA8888(const native_handle_t* bufferHandle, uint8_t* data, uint32_t height,
+    void verifyRGBA8888(const native_handle_t* bufferHandle, const uint8_t* data, uint32_t height,
                         size_t strideInBytes, size_t widthInBytes, uint32_t seed = 0) {
         hidl_vec<uint8_t> vec;
         ASSERT_EQ(Error::NONE,
@@ -294,6 +297,49 @@
         }
     }
 
+    void traverseYCbCr888Data(const android_ycbcr& yCbCr, int32_t width, int32_t height,
+                              int64_t hSubsampling, int64_t vSubsampling,
+                              std::function<void(uint8_t*, uint8_t)> traverseFuncion) {
+        auto yData = static_cast<uint8_t*>(yCbCr.y);
+        auto cbData = static_cast<uint8_t*>(yCbCr.cb);
+        auto crData = static_cast<uint8_t*>(yCbCr.cr);
+        auto yStride = yCbCr.ystride;
+        auto cStride = yCbCr.cstride;
+        auto chromaStep = yCbCr.chroma_step;
+
+        for (uint32_t y = 0; y < height; y++) {
+            for (uint32_t x = 0; x < width; x++) {
+                auto val = static_cast<uint8_t>(height * y + x);
+
+                traverseFuncion(yData + yStride * y + x, val);
+
+                if (y % vSubsampling == 0 && x % hSubsampling == 0) {
+                    uint32_t subSampleX = x / hSubsampling;
+                    uint32_t subSampleY = y / vSubsampling;
+                    const auto subSampleOffset = cStride * subSampleY + chromaStep * subSampleX;
+                    const auto subSampleVal =
+                            static_cast<uint8_t>(height * subSampleY + subSampleX);
+
+                    traverseFuncion(cbData + subSampleOffset, subSampleVal);
+                    traverseFuncion(crData + subSampleOffset, subSampleVal + 1);
+                }
+            }
+        }
+    }
+
+    void fillYCbCr888Data(const android_ycbcr& yCbCr, int32_t width, int32_t height,
+                          int64_t hSubsampling, int64_t vSubsampling) {
+        traverseYCbCr888Data(yCbCr, width, height, hSubsampling, vSubsampling,
+                             [](auto address, auto fillingData) { *address = fillingData; });
+    }
+
+    void verifyYCbCr888Data(const android_ycbcr& yCbCr, int32_t width, int32_t height,
+                            int64_t hSubsampling, int64_t vSubsampling) {
+        traverseYCbCr888Data(
+                yCbCr, width, height, hSubsampling, vSubsampling,
+                [](auto address, auto expectedData) { EXPECT_EQ(*address, expectedData); });
+    }
+
     bool isEqual(float a, float b) { return abs(a - b) < 0.0001; }
 
     std::unique_ptr<Gralloc> mGralloc;
@@ -331,8 +377,9 @@
     for (uint32_t count = 0; count < 5; count++) {
         std::vector<const native_handle_t*> bufferHandles;
         uint32_t stride;
-        ASSERT_NO_FATAL_FAILURE(
-                bufferHandles = mGralloc->allocate(descriptor, count, false, false, &stride));
+        ASSERT_NO_FATAL_FAILURE(bufferHandles =
+                                        mGralloc->allocate(descriptor, count, false,
+                                                           Tolerance::kToleranceStrict, &stride));
 
         if (count >= 1) {
             EXPECT_LE(mDummyDescriptorInfo.width, stride) << "invalid buffer stride";
@@ -532,32 +579,30 @@
 
     const native_handle_t* bufferHandle;
     uint32_t stride;
-    ASSERT_NO_FATAL_FAILURE(bufferHandle = mGralloc->allocate(info, true, false, &stride));
+    ASSERT_NO_FATAL_FAILURE(
+            bufferHandle = mGralloc->allocate(info, true, Tolerance::kToleranceStrict, &stride));
 
     // lock buffer for writing
     const IMapper::Rect region{0, 0, static_cast<int32_t>(info.width),
                                static_cast<int32_t>(info.height)};
-    int fence = -1;
+    unique_fd fence;
     uint8_t* data;
-    ASSERT_NO_FATAL_FAILURE(
-            data = static_cast<uint8_t*>(mGralloc->lock(bufferHandle, info.usage, region, fence)));
+    ASSERT_NO_FATAL_FAILURE(data = static_cast<uint8_t*>(
+                                    mGralloc->lock(bufferHandle, info.usage, region, fence.get())));
 
     // RGBA_8888
     fillRGBA8888(data, info.height, stride * 4, info.width * 4);
 
-    ASSERT_NO_FATAL_FAILURE(fence = mGralloc->unlock(bufferHandle));
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));
 
     // lock again for reading
-    ASSERT_NO_FATAL_FAILURE(
-            data = static_cast<uint8_t*>(mGralloc->lock(bufferHandle, info.usage, region, fence)));
+    ASSERT_NO_FATAL_FAILURE(data = static_cast<uint8_t*>(
+                                    mGralloc->lock(bufferHandle, info.usage, region, fence.get())));
 
     ASSERT_NO_FATAL_FAILURE(
             verifyRGBA8888(bufferHandle, data, info.height, stride * 4, info.width * 4));
 
-    ASSERT_NO_FATAL_FAILURE(fence = mGralloc->unlock(bufferHandle));
-    if (fence >= 0) {
-        close(fence);
-    }
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));
 }
 
 TEST_P(GraphicsMapperHidlTest, Lock_YCRCB_420_SP) {
@@ -566,16 +611,21 @@
 
     const native_handle_t* bufferHandle;
     uint32_t stride;
-    ASSERT_NO_FATAL_FAILURE(bufferHandle = mGralloc->allocate(info, true, false, &stride));
+    ASSERT_NO_FATAL_FAILURE(bufferHandle = mGralloc->allocate(
+                                    info, true, Tolerance::kToleranceUnSupported, &stride));
+    if (bufferHandle == nullptr) {
+        GTEST_SUCCEED() << "YCRCB_420_SP format is unsupported";
+        return;
+    }
 
     // lock buffer for writing
     const IMapper::Rect region{0, 0, static_cast<int32_t>(info.width),
                                static_cast<int32_t>(info.height)};
-    int fence = -1;
+    unique_fd fence;
     uint8_t* data;
 
-    ASSERT_NO_FATAL_FAILURE(
-            data = static_cast<uint8_t*>(mGralloc->lock(bufferHandle, info.usage, region, fence)));
+    ASSERT_NO_FATAL_FAILURE(data = static_cast<uint8_t*>(
+                                    mGralloc->lock(bufferHandle, info.usage, region, fence.get())));
 
     android_ycbcr yCbCr;
     int64_t hSubsampling = 0;
@@ -583,74 +633,122 @@
     ASSERT_NO_FATAL_FAILURE(
             getAndroidYCbCr(bufferHandle, data, &yCbCr, &hSubsampling, &vSubsampling));
 
-    auto yData = static_cast<uint8_t*>(yCbCr.y);
-    auto cbData = static_cast<uint8_t*>(yCbCr.cb);
-    auto crData = static_cast<uint8_t*>(yCbCr.cr);
-    auto yStride = yCbCr.ystride;
-    auto cStride = yCbCr.cstride;
-    auto chromaStep = yCbCr.chroma_step;
-
     constexpr uint32_t kCbCrSubSampleFactor = 2;
-    ASSERT_EQ(crData + 1, cbData);
-    ASSERT_EQ(2, chromaStep);
     ASSERT_EQ(kCbCrSubSampleFactor, hSubsampling);
     ASSERT_EQ(kCbCrSubSampleFactor, vSubsampling);
 
-    for (uint32_t y = 0; y < info.height; y++) {
-        for (uint32_t x = 0; x < info.width; x++) {
-            auto val = static_cast<uint8_t>(info.height * y + x);
+    auto cbData = static_cast<uint8_t*>(yCbCr.cb);
+    auto crData = static_cast<uint8_t*>(yCbCr.cr);
+    ASSERT_EQ(crData + 1, cbData);
+    ASSERT_EQ(2, yCbCr.chroma_step);
 
-            yData[yStride * y + x] = val;
+    fillYCbCr888Data(yCbCr, info.width, info.height, hSubsampling, vSubsampling);
 
-            if (y % vSubsampling == 0 && x % hSubsampling == 0) {
-                uint32_t subSampleX = x / hSubsampling;
-                uint32_t subSampleY = y / vSubsampling;
-                const auto subSampleOffset = cStride * subSampleY + chromaStep * subSampleX;
-                const auto subSampleVal =
-                        static_cast<uint8_t>(info.height * subSampleY + subSampleX);
-
-                cbData[subSampleOffset] = subSampleVal;
-                crData[subSampleOffset] = subSampleVal + 1;
-            }
-        }
-    }
-
-    ASSERT_NO_FATAL_FAILURE(fence = mGralloc->unlock(bufferHandle));
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));
 
     // lock again for reading
-    ASSERT_NO_FATAL_FAILURE(
-            data = static_cast<uint8_t*>(mGralloc->lock(bufferHandle, info.usage, region, fence)));
+    ASSERT_NO_FATAL_FAILURE(data = static_cast<uint8_t*>(
+                                    mGralloc->lock(bufferHandle, info.usage, region, fence.get())));
 
     ASSERT_NO_FATAL_FAILURE(
             getAndroidYCbCr(bufferHandle, data, &yCbCr, &hSubsampling, &vSubsampling));
 
-    yData = static_cast<uint8_t*>(yCbCr.y);
-    cbData = static_cast<uint8_t*>(yCbCr.cb);
-    crData = static_cast<uint8_t*>(yCbCr.cr);
+    verifyYCbCr888Data(yCbCr, info.width, info.height, hSubsampling, vSubsampling);
 
-    for (uint32_t y = 0; y < info.height; y++) {
-        for (uint32_t x = 0; x < info.width; x++) {
-            auto val = static_cast<uint8_t>(info.height * y + x);
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));
+}
 
-            EXPECT_EQ(val, yData[yStride * y + x]);
+TEST_P(GraphicsMapperHidlTest, Lock_YV12) {
+    auto info = mDummyDescriptorInfo;
+    info.format = PixelFormat::YV12;
 
-            if (y % vSubsampling == 0 && x % hSubsampling == 0) {
-                uint32_t subSampleX = x / hSubsampling;
-                uint32_t subSampleY = y / vSubsampling;
-                const auto subSampleOffset = cStride * subSampleY + chromaStep * subSampleX;
-                const auto subSampleVal =
-                        static_cast<uint8_t>(info.height * subSampleY + subSampleX);
+    const native_handle_t* bufferHandle;
+    uint32_t stride;
+    ASSERT_NO_FATAL_FAILURE(
+            bufferHandle = mGralloc->allocate(info, true, Tolerance::kToleranceStrict, &stride));
 
-                EXPECT_EQ(subSampleVal, cbData[subSampleOffset]);
-                EXPECT_EQ(subSampleVal + 1, crData[subSampleOffset]);
-            }
-        }
-    }
+    // lock buffer for writing
+    const IMapper::Rect region{0, 0, static_cast<int32_t>(info.width),
+                               static_cast<int32_t>(info.height)};
+    unique_fd fence;
+    uint8_t* data;
 
-    ASSERT_NO_FATAL_FAILURE(fence = mGralloc->unlock(bufferHandle));
-    if (fence >= 0) {
-        close(fence);
-    }
+    ASSERT_NO_FATAL_FAILURE(data = static_cast<uint8_t*>(
+                                    mGralloc->lock(bufferHandle, info.usage, region, fence.get())));
+
+    android_ycbcr yCbCr;
+    int64_t hSubsampling = 0;
+    int64_t vSubsampling = 0;
+    ASSERT_NO_FATAL_FAILURE(
+            getAndroidYCbCr(bufferHandle, data, &yCbCr, &hSubsampling, &vSubsampling));
+
+    constexpr uint32_t kCbCrSubSampleFactor = 2;
+    ASSERT_EQ(kCbCrSubSampleFactor, hSubsampling);
+    ASSERT_EQ(kCbCrSubSampleFactor, vSubsampling);
+
+    auto cbData = static_cast<uint8_t*>(yCbCr.cb);
+    auto crData = static_cast<uint8_t*>(yCbCr.cr);
+    ASSERT_EQ(crData + yCbCr.cstride * info.height / vSubsampling, cbData);
+    ASSERT_EQ(1, yCbCr.chroma_step);
+
+    fillYCbCr888Data(yCbCr, info.width, info.height, hSubsampling, vSubsampling);
+
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));
+
+    // lock again for reading
+    ASSERT_NO_FATAL_FAILURE(data = static_cast<uint8_t*>(
+                                    mGralloc->lock(bufferHandle, info.usage, region, fence.get())));
+
+    ASSERT_NO_FATAL_FAILURE(
+            getAndroidYCbCr(bufferHandle, data, &yCbCr, &hSubsampling, &vSubsampling));
+
+    verifyYCbCr888Data(yCbCr, info.width, info.height, hSubsampling, vSubsampling);
+
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));
+}
+
+TEST_P(GraphicsMapperHidlTest, Lock_YCBCR_420_888) {
+    auto info = mDummyDescriptorInfo;
+    info.format = PixelFormat::YCBCR_420_888;
+
+    const native_handle_t* bufferHandle;
+    uint32_t stride;
+    ASSERT_NO_FATAL_FAILURE(
+            bufferHandle = mGralloc->allocate(info, true, Tolerance::kToleranceStrict, &stride));
+
+    // lock buffer for writing
+    const IMapper::Rect region{0, 0, static_cast<int32_t>(info.width),
+                               static_cast<int32_t>(info.height)};
+    unique_fd fence;
+    uint8_t* data;
+
+    ASSERT_NO_FATAL_FAILURE(data = static_cast<uint8_t*>(
+                                    mGralloc->lock(bufferHandle, info.usage, region, fence.get())));
+
+    android_ycbcr yCbCr;
+    int64_t hSubsampling = 0;
+    int64_t vSubsampling = 0;
+    ASSERT_NO_FATAL_FAILURE(
+            getAndroidYCbCr(bufferHandle, data, &yCbCr, &hSubsampling, &vSubsampling));
+
+    constexpr uint32_t kCbCrSubSampleFactor = 2;
+    ASSERT_EQ(kCbCrSubSampleFactor, hSubsampling);
+    ASSERT_EQ(kCbCrSubSampleFactor, vSubsampling);
+
+    fillYCbCr888Data(yCbCr, info.width, info.height, hSubsampling, vSubsampling);
+
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));
+
+    // lock again for reading
+    ASSERT_NO_FATAL_FAILURE(data = static_cast<uint8_t*>(
+                                    mGralloc->lock(bufferHandle, info.usage, region, fence.get())));
+
+    ASSERT_NO_FATAL_FAILURE(
+            getAndroidYCbCr(bufferHandle, data, &yCbCr, &hSubsampling, &vSubsampling));
+
+    verifyYCbCr888Data(yCbCr, info.width, info.height, hSubsampling, vSubsampling);
+
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(bufferHandle)));
 }
 
 /**
@@ -741,8 +839,8 @@
 
     const native_handle_t* rawHandle;
     uint32_t stride;
-    ASSERT_NO_FATAL_FAILURE(
-            rawHandle = mGralloc->allocate(mDummyDescriptorInfo, false, false, &stride));
+    ASSERT_NO_FATAL_FAILURE(rawHandle = mGralloc->allocate(mDummyDescriptorInfo, false,
+                                                           Tolerance::kToleranceStrict, &stride));
 
     const native_handle_t* writeBufferHandle;
     const native_handle_t* readBufferHandle;
@@ -766,11 +864,10 @@
 
     fillRGBA8888(writeData, info.height, stride * 4, info.width * 4);
 
-    int fence;
-    ASSERT_NO_FATAL_FAILURE(fence = mGralloc->flushLockedBuffer(writeBufferHandle));
+    unique_fd fence;
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->flushLockedBuffer(writeBufferHandle)));
     if (fence >= 0) {
         ASSERT_EQ(0, sync_wait(fence, 3500));
-        close(fence);
     }
 
     ASSERT_NO_FATAL_FAILURE(mGralloc->rereadLockedBuffer(readBufferHandle));
@@ -778,14 +875,9 @@
     ASSERT_NO_FATAL_FAILURE(
             verifyRGBA8888(readBufferHandle, readData, info.height, stride * 4, info.width * 4));
 
-    ASSERT_NO_FATAL_FAILURE(fence = mGralloc->unlock(readBufferHandle));
-    if (fence >= 0) {
-        close(fence);
-    }
-    ASSERT_NO_FATAL_FAILURE(fence = mGralloc->unlock(writeBufferHandle));
-    if (fence >= 0) {
-        close(fence);
-    }
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(readBufferHandle)));
+
+    ASSERT_NO_FATAL_FAILURE(fence.reset(mGralloc->unlock(writeBufferHandle)));
 }
 
 /**
@@ -964,7 +1056,7 @@
     info.usage = BufferUsage::PROTECTED | BufferUsage::COMPOSER_OVERLAY;
 
     const native_handle_t* bufferHandle = nullptr;
-    bufferHandle = mGralloc->allocate(info, true, true);
+    bufferHandle = mGralloc->allocate(info, true, Tolerance::kToleranceAllErrors);
     if (!bufferHandle) {
         GTEST_SUCCEED() << "unable to allocate protected content";
         return;
@@ -1267,7 +1359,7 @@
     auto info = mDummyDescriptorInfo;
     info.usage = BufferUsage::PROTECTED | BufferUsage::COMPOSER_OVERLAY;
 
-    bufferHandle = mGralloc->allocate(info, true, true);
+    bufferHandle = mGralloc->allocate(info, true, Tolerance::kToleranceAllErrors);
     if (!bufferHandle) {
         GTEST_SUCCEED() << "unable to allocate protected content";
         return;
diff --git a/health/utils/libhealth2impl/include/health2impl/HalHealthLoop.h b/health/utils/libhealth2impl/include/health2impl/HalHealthLoop.h
index d9b5580..362581e 100644
--- a/health/utils/libhealth2impl/include/health2impl/HalHealthLoop.h
+++ b/health/utils/libhealth2impl/include/health2impl/HalHealthLoop.h
@@ -55,7 +55,7 @@
     void set_charger_online(const HealthInfo& health_info);
 
   private:
-    const std::string& instance_name_;
+    std::string instance_name_;
     sp<IHealth> service_;
     bool charger_online_ = false;
 };
diff --git a/neuralnetworks/1.2/types.hal b/neuralnetworks/1.2/types.hal
index 2c3c599..9eff7ff 100644
--- a/neuralnetworks/1.2/types.hal
+++ b/neuralnetworks/1.2/types.hal
@@ -3872,6 +3872,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      */
     REDUCE_ALL = 75,
 
@@ -3897,6 +3899,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      */
     REDUCE_ANY = 76,
 
@@ -3924,6 +3928,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} tensor,
      *      the scale and zeroPoint must be the same as input0.
      */
@@ -3953,6 +3959,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} tensor,
      *      the scale and zeroPoint must be the same as input0.
      */
@@ -3980,6 +3988,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      */
     REDUCE_PROD = 79,
 
@@ -4005,6 +4015,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      */
     REDUCE_SUM = 80,
 
diff --git a/neuralnetworks/1.3/types.hal b/neuralnetworks/1.3/types.hal
index 56930c2..83cf442 100644
--- a/neuralnetworks/1.3/types.hal
+++ b/neuralnetworks/1.3/types.hal
@@ -4096,6 +4096,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      */
     REDUCE_ALL = @1.2::OperationType:REDUCE_ALL,
 
@@ -4121,6 +4123,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      */
     REDUCE_ANY = @1.2::OperationType:REDUCE_ANY,
 
@@ -4149,6 +4153,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} and
      *      {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED} tensor,
      *      the scale and zeroPoint must be the same as input0.
@@ -4180,6 +4186,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      *      For a {@link OperandType::TENSOR_QUANT8_ASYMM} and
      *      {@link OperandType::TENSOR_QUANT8_ASYMM_SIGNED} tensor,
      *      the scale and zeroPoint must be the same as input0.
@@ -4208,6 +4216,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      */
     REDUCE_PROD = @1.2::OperationType:REDUCE_PROD,
 
@@ -4233,6 +4243,8 @@
      *
      * Outputs:
      * * 0: A tensor of the same {@link OperandType} as input0.
+     *      If all dimensions are reduced and keep_dims is false, the output
+     *      shape is [1].
      */
     REDUCE_SUM = @1.2::OperationType:REDUCE_SUM,
 
diff --git a/neuralnetworks/1.3/vts/functional/AndroidTest.xml b/neuralnetworks/1.3/vts/functional/AndroidTest.xml
new file mode 100644
index 0000000..30cff2e
--- /dev/null
+++ b/neuralnetworks/1.3/vts/functional/AndroidTest.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<configuration description="Runs VtsHalNeuralnetworksV1_3TargetTest.">
+    <option name="test-suite-tag" value="apct" />
+    <option name="test-suite-tag" value="apct-native" />
+
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
+    </target_preparer>
+
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="VtsHalNeuralnetworksV1_3TargetTest->/data/local/tmp/VtsHalNeuralnetworksV1_3TargetTest" />
+    </target_preparer>
+
+    <test class="com.android.tradefed.testtype.GTest" >
+        <!-- b/156691406, b/155577050, b/155674368, b/153876253, temporarily disable the test.
+             Must be deleted after corresponding driver issues are fixed.
+        -->
+        <option name="native-test-flag" value="--gtest_filter=-*Validation*:*DynamicOutputShapeTest*:*FencedComputeTest*:*MemoryDomain*:*QuantizationCouplingTest*:*DeadlineTest*:*resize_*_v1_3*:*squeeze*_all*_inputs*:*strided_slice*_all*_inputs*:*transpose*_all*_inputs*:*l2_normalization_axis_corner_case*:*sample_float_fast*:*sample_float_slow*:*sample_minimal*:*sample_quant*" />
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="VtsHalNeuralnetworksV1_3TargetTest" />
+    </test>
+</configuration>
diff --git a/sensors/1.0/vts/functional/AndroidTest.xml b/sensors/1.0/vts/functional/AndroidTest.xml
index fb0d64c..5011f09 100644
--- a/sensors/1.0/vts/functional/AndroidTest.xml
+++ b/sensors/1.0/vts/functional/AndroidTest.xml
@@ -17,13 +17,8 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
-
-    <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
-        <option name="teardown-command" value="start"/>
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
diff --git a/sensors/2.0/vts/functional/AndroidTest.xml b/sensors/2.0/vts/functional/AndroidTest.xml
index b710ed0..b7658a9 100644
--- a/sensors/2.0/vts/functional/AndroidTest.xml
+++ b/sensors/2.0/vts/functional/AndroidTest.xml
@@ -17,13 +17,8 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
-
-    <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
-        <option name="teardown-command" value="start"/>
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
diff --git a/sensors/2.1/vts/functional/AndroidTest.xml b/sensors/2.1/vts/functional/AndroidTest.xml
index 0d8593e..2ef8dc6 100644
--- a/sensors/2.1/vts/functional/AndroidTest.xml
+++ b/sensors/2.1/vts/functional/AndroidTest.xml
@@ -17,13 +17,8 @@
     <option name="test-suite-tag" value="apct" />
     <option name="test-suite-tag" value="apct-native" />
 
-    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
-    </target_preparer>
-
-    <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
-        <option name="run-command" value="stop"/>
-        <option name="teardown-command" value="start"/>
-    </target_preparer>
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
 
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
diff --git a/wifi/1.0/vts/functional/wifi_chip_hidl_nan_test.cpp b/wifi/1.0/vts/functional/wifi_chip_hidl_nan_test.cpp
index c95f4d2..bb7a3a6 100644
--- a/wifi/1.0/vts/functional/wifi_chip_hidl_nan_test.cpp
+++ b/wifi/1.0/vts/functional/wifi_chip_hidl_nan_test.cpp
@@ -16,6 +16,7 @@
 
 #include <android-base/logging.h>
 
+#include <VtsCoreUtil.h>
 #include <android/hardware/wifi/1.0/IWifi.h>
 #include <android/hardware/wifi/1.0/IWifiChip.h>
 #include <gtest/gtest.h>
@@ -41,6 +42,9 @@
 class WifiChipHidlNanTest : public ::testing::TestWithParam<std::string> {
    public:
     virtual void SetUp() override {
+        if (!::testing::deviceSupportsFeature("android.hardware.wifi.aware"))
+            GTEST_SKIP() << "Skipping this test since NAN is not supported.";
+
         // Make sure test starts with a clean state
         stopWifi(GetInstanceName());
 
diff --git a/wifi/1.0/vts/functional/wifi_nan_iface_hidl_test.cpp b/wifi/1.0/vts/functional/wifi_nan_iface_hidl_test.cpp
index 47a1938..2b63ddc 100644
--- a/wifi/1.0/vts/functional/wifi_nan_iface_hidl_test.cpp
+++ b/wifi/1.0/vts/functional/wifi_nan_iface_hidl_test.cpp
@@ -16,6 +16,7 @@
 
 #include <android-base/logging.h>
 
+#include <VtsCoreUtil.h>
 #include <android/hardware/wifi/1.0/IWifi.h>
 #include <android/hardware/wifi/1.0/IWifiNanIface.h>
 #include <android/hardware/wifi/1.0/IWifiNanIfaceEventCallback.h>
@@ -44,6 +45,9 @@
 class WifiNanIfaceHidlTest : public ::testing::TestWithParam<std::string> {
    public:
     virtual void SetUp() override {
+        if (!::testing::deviceSupportsFeature("android.hardware.wifi.aware"))
+            GTEST_SKIP() << "Skipping this test since NAN is not supported.";
+
         // Make sure test starts with a clean state
         stopWifi(GetInstanceName());
 
diff --git a/wifi/1.4/vts/functional/Android.bp b/wifi/1.4/vts/functional/Android.bp
index 3824c3a..59a35e0 100644
--- a/wifi/1.4/vts/functional/Android.bp
+++ b/wifi/1.4/vts/functional/Android.bp
@@ -21,7 +21,51 @@
     srcs: [
         "wifi_ap_iface_hidl_test.cpp",
         "wifi_chip_hidl_test.cpp",
+    ],
+    static_libs: [
+        "VtsHalWifiV1_0TargetTestUtil",
+        "android.hardware.wifi@1.0",
+        "android.hardware.wifi@1.1",
+        "android.hardware.wifi@1.2",
+        "android.hardware.wifi@1.3",
+        "android.hardware.wifi@1.4",
+        "libwifi-system-iface",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}
+
+// These tests are split out so that they can be conditioned on presence of the
+// "android.hardware.wifi.aware" feature.
+cc_test {
+    name: "VtsHalWifiNanV1_4TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
         "wifi_nan_iface_hidl_test.cpp",
+    ],
+    static_libs: [
+        "VtsHalWifiV1_0TargetTestUtil",
+        "android.hardware.wifi@1.0",
+        "android.hardware.wifi@1.1",
+        "android.hardware.wifi@1.2",
+        "android.hardware.wifi@1.3",
+        "android.hardware.wifi@1.4",
+        "libwifi-system-iface",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}
+
+// These tests are split out so that they can be conditioned on presence of the
+// "android.hardware.wifi.rtt" feature.
+cc_test {
+    name: "VtsHalWifiRttV1_4TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
         "wifi_rtt_controller_hidl_test.cpp",
     ],
     static_libs: [
diff --git a/wifi/1.4/vts/functional/wifi_chip_hidl_test.cpp b/wifi/1.4/vts/functional/wifi_chip_hidl_test.cpp
index 1c39550..be5c3bd 100644
--- a/wifi/1.4/vts/functional/wifi_chip_hidl_test.cpp
+++ b/wifi/1.4/vts/functional/wifi_chip_hidl_test.cpp
@@ -150,28 +150,6 @@
     }
 }
 
-/*
- * createRttController_1_4
- * Ensures that an instance of the IWifiRttController proxy object is
- * successfully created.
- */
-TEST_P(WifiChipHidlTest, createRttController_1_4) {
-    configureChipForIfaceType(IfaceType::STA, true);
-
-    const auto& status_and_iface = HIDL_INVOKE(wifi_chip_, createStaIface);
-    EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_iface.first.code);
-    sp<IWifiStaIface> iface = IWifiStaIface::castFrom(status_and_iface.second);
-    EXPECT_NE(nullptr, iface.get());
-
-    const auto& status_and_controller =
-        HIDL_INVOKE(wifi_chip_, createRttController_1_4, iface);
-    if (status_and_controller.first.code !=
-        WifiStatusCode::ERROR_NOT_SUPPORTED) {
-        EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_controller.first.code);
-        EXPECT_NE(nullptr, status_and_controller.second.get());
-    }
-}
-
 INSTANTIATE_TEST_SUITE_P(
     PerInstance, WifiChipHidlTest,
     testing::ValuesIn(android::hardware::getAllHalInstanceNames(
diff --git a/wifi/supplicant/1.2/vts/functional/VtsHalWifiSupplicantP2pV1_2TargetTest.cpp b/wifi/supplicant/1.2/vts/functional/VtsHalWifiSupplicantP2pV1_2TargetTest.cpp
deleted file mode 100644
index 7edec47..0000000
--- a/wifi/supplicant/1.2/vts/functional/VtsHalWifiSupplicantP2pV1_2TargetTest.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <VtsCoreUtil.h>
-#include "supplicant_hidl_test_utils.h"
-
-int main(int argc, char** argv) {
-    if (!::testing::deviceSupportsFeature("android.hardware.wifi.direct"))
-        return 0;
-
-    ::testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
-}
diff --git a/wifi/supplicant/1.2/vts/functional/supplicant_p2p_iface_hidl_test.cpp b/wifi/supplicant/1.2/vts/functional/supplicant_p2p_iface_hidl_test.cpp
index 7b96b87..1eb8eea 100644
--- a/wifi/supplicant/1.2/vts/functional/supplicant_p2p_iface_hidl_test.cpp
+++ b/wifi/supplicant/1.2/vts/functional/supplicant_p2p_iface_hidl_test.cpp
@@ -43,6 +43,9 @@
     virtual void SetUp() override {
         SupplicantHidlTestBase::SetUp();
         EXPECT_TRUE(turnOnExcessiveLogging(supplicant_));
+        if (!::testing::deviceSupportsFeature("android.hardware.wifi.direct")) {
+            GTEST_SKIP() << "Wi-Fi Direct is not supported, skip this test.";
+        }
         p2p_iface_ = getSupplicantP2pIface_1_2(supplicant_);
         ASSERT_NE(p2p_iface_.get(), nullptr);
     }