diff --git a/boot/1.1/default/boot_control/include/libboot_control/libboot_control.h b/boot/1.1/default/boot_control/include/libboot_control/libboot_control.h
index 5468658..ac17d6d 100644
--- a/boot/1.1/default/boot_control/include/libboot_control/libboot_control.h
+++ b/boot/1.1/default/boot_control/include/libboot_control/libboot_control.h
@@ -32,6 +32,7 @@
   unsigned int GetNumberSlots();
   unsigned int GetCurrentSlot();
   bool MarkBootSuccessful();
+  unsigned int GetActiveBootSlot();
   bool SetActiveBootSlot(unsigned int slot);
   bool SetSlotAsUnbootable(unsigned int slot);
   bool SetSlotBootable(unsigned int slot);
diff --git a/boot/1.1/default/boot_control/libboot_control.cpp b/boot/1.1/default/boot_control/libboot_control.cpp
index 2c6ccaf..9387c32 100644
--- a/boot/1.1/default/boot_control/libboot_control.cpp
+++ b/boot/1.1/default/boot_control/libboot_control.cpp
@@ -261,6 +261,24 @@
   return UpdateAndSaveBootloaderControl(misc_device_, &bootctrl);
 }
 
+unsigned int BootControl::GetActiveBootSlot() {
+  bootloader_control bootctrl;
+  if (!LoadBootloaderControl(misc_device_, &bootctrl)) return false;
+
+  // Use the current slot by default.
+  unsigned int active_boot_slot = current_slot_;
+  unsigned int max_priority = bootctrl.slot_info[current_slot_].priority;
+  // Find the slot with the highest priority.
+  for (unsigned int i = 0; i < num_slots_; ++i) {
+    if (bootctrl.slot_info[i].priority > max_priority) {
+      max_priority = bootctrl.slot_info[i].priority;
+      active_boot_slot = i;
+    }
+  }
+
+  return active_boot_slot;
+}
+
 bool BootControl::SetActiveBootSlot(unsigned int slot) {
   if (slot >= kMaxNumSlots || slot >= num_slots_) {
     // Invalid slot number.
diff --git a/boot/1.2/Android.bp b/boot/1.2/Android.bp
new file mode 100644
index 0000000..e51c5cd
--- /dev/null
+++ b/boot/1.2/Android.bp
@@ -0,0 +1,15 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.boot@1.2",
+    root: "android.hardware",
+    srcs: [
+        "IBootControl.hal",
+    ],
+    interfaces: [
+        "android.hardware.boot@1.0",
+        "android.hardware.boot@1.1",
+        "android.hidl.base@1.0",
+    ],
+    gen_java: true,
+}
diff --git a/boot/1.2/IBootControl.hal b/boot/1.2/IBootControl.hal
new file mode 100644
index 0000000..bb0ad13
--- /dev/null
+++ b/boot/1.2/IBootControl.hal
@@ -0,0 +1,35 @@
+/*
+ * Copyright 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.
+ */
+
+package android.hardware.boot@1.2;
+
+import @1.0::IBootControl;
+import @1.0::Slot;
+import @1.1::IBootControl;
+
+interface IBootControl extends @1.1::IBootControl {
+
+  /**
+   * Returns the active slot to boot into on the next boot. If
+   * setActiveBootSlot() has been called, the getter function should return the
+   * same slot as the one provided in the last setActiveBootSlot() call.
+   * The returned value is always guaranteed to be strictly less than the
+   * value returned by getNumberSlots. Slots start at 0 and finish at
+   * getNumberSlots() - 1. For instance, a system with A/B must return 0 or 1.
+   */
+   getActiveBootSlot() generates (Slot slot);
+};
+
diff --git a/boot/1.2/default/Android.bp b/boot/1.2/default/Android.bp
new file mode 100644
index 0000000..c097667
--- /dev/null
+++ b/boot/1.2/default/Android.bp
@@ -0,0 +1,50 @@
+cc_library_shared {
+    name: "android.hardware.boot@1.2-impl",
+    stem: "android.hardware.boot@1.0-impl-1.2",
+    defaults: [
+        "hidl_defaults",
+        "libboot_control_defaults",
+    ],
+    relative_install_path: "hw",
+    vendor: true,
+    recovery_available: true,
+    srcs: ["BootControl.cpp"],
+
+    shared_libs: [
+        "liblog",
+        "libhidlbase",
+        "libhardware",
+        "libutils",
+        "android.hardware.boot@1.0",
+        "android.hardware.boot@1.1",
+        "android.hardware.boot@1.2",
+    ],
+    static_libs: [
+        "libboot_control",
+        "libfstab",
+    ],
+}
+
+cc_binary {
+    name: "android.hardware.boot@1.2-service",
+    defaults: ["hidl_defaults"],
+    relative_install_path: "hw",
+    vendor: true,
+    init_rc: ["android.hardware.boot@1.2-service.rc"],
+    srcs: ["service.cpp"],
+
+    vintf_fragments: [
+        "android.hardware.boot@1.2.xml",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libhardware",
+        "libhidlbase",
+        "libutils",
+        "android.hardware.boot@1.0",
+        "android.hardware.boot@1.1",
+        "android.hardware.boot@1.2",
+    ],
+
+}
diff --git a/boot/1.2/default/BootControl.cpp b/boot/1.2/default/BootControl.cpp
new file mode 100644
index 0000000..c0bf02f
--- /dev/null
+++ b/boot/1.2/default/BootControl.cpp
@@ -0,0 +1,135 @@
+/*
+ * 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.
+ */
+#define LOG_TAG "android.hardware.boot@1.2-impl"
+
+#include <memory>
+
+#include <log/log.h>
+
+#include "BootControl.h"
+
+namespace android {
+namespace hardware {
+namespace boot {
+namespace V1_2 {
+namespace implementation {
+
+using ::android::hardware::boot::V1_0::CommandResult;
+
+bool BootControl::Init() {
+    return impl_.Init();
+}
+
+// Methods from ::android::hardware::boot::V1_0::IBootControl.
+Return<uint32_t> BootControl::getNumberSlots() {
+    return impl_.GetNumberSlots();
+}
+
+Return<uint32_t> BootControl::getCurrentSlot() {
+    return impl_.GetCurrentSlot();
+}
+
+Return<void> BootControl::markBootSuccessful(markBootSuccessful_cb _hidl_cb) {
+    struct CommandResult cr;
+    if (impl_.MarkBootSuccessful()) {
+        cr.success = true;
+        cr.errMsg = "Success";
+    } else {
+        cr.success = false;
+        cr.errMsg = "Operation failed";
+    }
+    _hidl_cb(cr);
+    return Void();
+}
+
+Return<void> BootControl::setActiveBootSlot(uint32_t slot, setActiveBootSlot_cb _hidl_cb) {
+    struct CommandResult cr;
+    if (impl_.SetActiveBootSlot(slot)) {
+        cr.success = true;
+        cr.errMsg = "Success";
+    } else {
+        cr.success = false;
+        cr.errMsg = "Operation failed";
+    }
+    _hidl_cb(cr);
+    return Void();
+}
+
+Return<void> BootControl::setSlotAsUnbootable(uint32_t slot, setSlotAsUnbootable_cb _hidl_cb) {
+    struct CommandResult cr;
+    if (impl_.SetSlotAsUnbootable(slot)) {
+        cr.success = true;
+        cr.errMsg = "Success";
+    } else {
+        cr.success = false;
+        cr.errMsg = "Operation failed";
+    }
+    _hidl_cb(cr);
+    return Void();
+}
+
+Return<BoolResult> BootControl::isSlotBootable(uint32_t slot) {
+    if (!impl_.IsValidSlot(slot)) {
+        return BoolResult::INVALID_SLOT;
+    }
+    return impl_.IsSlotBootable(slot) ? BoolResult::TRUE : BoolResult::FALSE;
+}
+
+Return<BoolResult> BootControl::isSlotMarkedSuccessful(uint32_t slot) {
+    if (!impl_.IsValidSlot(slot)) {
+        return BoolResult::INVALID_SLOT;
+    }
+    return impl_.IsSlotMarkedSuccessful(slot) ? BoolResult::TRUE : BoolResult::FALSE;
+}
+
+Return<void> BootControl::getSuffix(uint32_t slot, getSuffix_cb _hidl_cb) {
+    hidl_string ans;
+    const char* suffix = impl_.GetSuffix(slot);
+    if (suffix) {
+        ans = suffix;
+    }
+    _hidl_cb(ans);
+    return Void();
+}
+
+// Methods from ::android::hardware::boot::V1_1::IBootControl.
+Return<bool> BootControl::setSnapshotMergeStatus(MergeStatus status) {
+    return impl_.SetSnapshotMergeStatus(status);
+}
+
+Return<MergeStatus> BootControl::getSnapshotMergeStatus() {
+    return impl_.GetSnapshotMergeStatus();
+}
+
+// Methods from ::android::hardware::boot::V1_2::IBootControl.
+Return<uint32_t> BootControl::getActiveBootSlot() {
+    return impl_.GetActiveBootSlot();
+}
+
+IBootControl* HIDL_FETCH_IBootControl(const char* /* hal */) {
+    auto module = std::make_unique<BootControl>();
+    if (!module->Init()) {
+        ALOGE("Could not initialize BootControl module");
+        return nullptr;
+    }
+    return module.release();
+}
+
+}  // namespace implementation
+}  // namespace V1_2
+}  // namespace boot
+}  // namespace hardware
+}  // namespace android
diff --git a/boot/1.2/default/BootControl.h b/boot/1.2/default/BootControl.h
new file mode 100644
index 0000000..5791699
--- /dev/null
+++ b/boot/1.2/default/BootControl.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <android/hardware/boot/1.2/IBootControl.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <libboot_control/libboot_control.h>
+
+namespace android {
+namespace hardware {
+namespace boot {
+namespace V1_2 {
+namespace implementation {
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::boot::V1_0::BoolResult;
+using ::android::hardware::boot::V1_1::MergeStatus;
+using ::android::hardware::boot::V1_2::IBootControl;
+
+class BootControl : public IBootControl {
+  public:
+    bool Init();
+
+    // Methods from ::android::hardware::boot::V1_0::IBootControl.
+    Return<uint32_t> getNumberSlots() override;
+    Return<uint32_t> getCurrentSlot() override;
+    Return<void> markBootSuccessful(markBootSuccessful_cb _hidl_cb) override;
+    Return<void> setActiveBootSlot(uint32_t slot, setActiveBootSlot_cb _hidl_cb) override;
+    Return<void> setSlotAsUnbootable(uint32_t slot, setSlotAsUnbootable_cb _hidl_cb) override;
+    Return<BoolResult> isSlotBootable(uint32_t slot) override;
+    Return<BoolResult> isSlotMarkedSuccessful(uint32_t slot) override;
+    Return<void> getSuffix(uint32_t slot, getSuffix_cb _hidl_cb) override;
+
+    // Methods from ::android::hardware::boot::V1_1::IBootControl.
+    Return<bool> setSnapshotMergeStatus(MergeStatus status) override;
+    Return<MergeStatus> getSnapshotMergeStatus() override;
+
+    // Methods from ::android::hardware::boot::V1_2::IBootControl.
+    Return<uint32_t> getActiveBootSlot() override;
+
+  private:
+    android::bootable::BootControl impl_;
+};
+
+extern "C" IBootControl* HIDL_FETCH_IBootControl(const char* name);
+
+}  // namespace implementation
+}  // namespace V1_2
+}  // namespace boot
+}  // namespace hardware
+}  // namespace android
diff --git a/boot/1.2/default/android.hardware.boot@1.2-service.rc b/boot/1.2/default/android.hardware.boot@1.2-service.rc
new file mode 100644
index 0000000..14926c0
--- /dev/null
+++ b/boot/1.2/default/android.hardware.boot@1.2-service.rc
@@ -0,0 +1,7 @@
+service vendor.boot-hal-1-2 /vendor/bin/hw/android.hardware.boot@1.2-service
+    interface android.hardware.boot@1.0::IBootControl default
+    interface android.hardware.boot@1.1::IBootControl default
+    interface android.hardware.boot@1.2::IBootControl default
+    class early_hal
+    user root
+    group root
diff --git a/boot/1.2/default/android.hardware.boot@1.2.xml b/boot/1.2/default/android.hardware.boot@1.2.xml
new file mode 100644
index 0000000..ba91e8f
--- /dev/null
+++ b/boot/1.2/default/android.hardware.boot@1.2.xml
@@ -0,0 +1,7 @@
+<manifest version="1.0" type="device">
+    <hal format="hidl">
+        <name>android.hardware.boot</name>
+        <transport>hwbinder</transport>
+        <fqname>@1.2::IBootControl/default</fqname>
+    </hal>
+</manifest>
diff --git a/boot/1.2/default/service.cpp b/boot/1.2/default/service.cpp
new file mode 100644
index 0000000..3053957
--- /dev/null
+++ b/boot/1.2/default/service.cpp
@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+#define LOG_TAG "android.hardware.boot@1.2-service"
+
+#include <android/hardware/boot/1.2/IBootControl.h>
+#include <hidl/LegacySupport.h>
+
+using android::hardware::defaultPassthroughServiceImplementation;
+using IBootControl_V1_0 = android::hardware::boot::V1_0::IBootControl;
+using IBootControl_V1_2 = android::hardware::boot::V1_2::IBootControl;
+
+int main(int /* argc */, char* /* argv */[]) {
+    return defaultPassthroughServiceImplementation<IBootControl_V1_0, IBootControl_V1_2>();
+}
diff --git a/boot/1.2/vts/functional/Android.bp b/boot/1.2/vts/functional/Android.bp
new file mode 100644
index 0000000..a7f5ccb
--- /dev/null
+++ b/boot/1.2/vts/functional/Android.bp
@@ -0,0 +1,31 @@
+//
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+    name: "VtsHalBootV1_2TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: ["VtsHalBootV1_2TargetTest.cpp"],
+    static_libs: [
+        "android.hardware.boot@1.0",
+        "android.hardware.boot@1.1",
+        "android.hardware.boot@1.2",
+        "libgmock",
+    ],
+    test_suites: [
+        "device-tests",
+        "vts",
+    ],
+}
diff --git a/boot/1.2/vts/functional/VtsHalBootV1_2TargetTest.cpp b/boot/1.2/vts/functional/VtsHalBootV1_2TargetTest.cpp
new file mode 100644
index 0000000..9df23c3
--- /dev/null
+++ b/boot/1.2/vts/functional/VtsHalBootV1_2TargetTest.cpp
@@ -0,0 +1,72 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "boot_hidl_hal_test"
+
+#include <android-base/logging.h>
+#include <android/hardware/boot/1.2/IBootControl.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+#include <hidl/GtestPrinter.h>
+#include <hidl/ServiceManagement.h>
+
+#include <unistd.h>
+
+using ::android::sp;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::boot::V1_0::CommandResult;
+using ::android::hardware::boot::V1_0::Slot;
+using ::android::hardware::boot::V1_2::IBootControl;
+
+class BootHidlTest : public testing::TestWithParam<std::string> {
+  public:
+    virtual void SetUp() override {
+        boot = IBootControl::getService(GetParam());
+        ASSERT_NE(boot, nullptr);
+
+        LOG(INFO) << "Test is remote " << boot->isRemote();
+    }
+
+    sp<IBootControl> boot;
+};
+
+auto generate_callback(CommandResult* dest) {
+    return [=](CommandResult cr) { *dest = cr; };
+}
+
+TEST_P(BootHidlTest, GetActiveBootSlot) {
+    Slot curSlot = boot->getCurrentSlot();
+    Slot otherSlot = curSlot ? 0 : 1;
+
+    // Set the active slot, then check if the getter returns the correct slot.
+    CommandResult cr;
+    Return<void> result = boot->setActiveBootSlot(otherSlot, generate_callback(&cr));
+    EXPECT_TRUE(result.isOk());
+    Slot activeSlot = boot->getActiveBootSlot();
+    EXPECT_EQ(otherSlot, activeSlot);
+
+    result = boot->setActiveBootSlot(curSlot, generate_callback(&cr));
+    EXPECT_TRUE(result.isOk());
+    activeSlot = boot->getActiveBootSlot();
+    EXPECT_EQ(curSlot, activeSlot);
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(BootHidlTest);
+INSTANTIATE_TEST_SUITE_P(
+        PerInstance, BootHidlTest,
+        testing::ValuesIn(android::hardware::getAllHalInstanceNames(IBootControl::descriptor)),
+        android::hardware::PrintInstanceNameToString);
diff --git a/camera/common/1.0/default/CameraModule.cpp b/camera/common/1.0/default/CameraModule.cpp
index 86f26e4..27e74f1 100644
--- a/camera/common/1.0/default/CameraModule.cpp
+++ b/camera/common/1.0/default/CameraModule.cpp
@@ -529,24 +529,29 @@
 }
 
 void CameraModule::removeCamera(int cameraId) {
-    std::unordered_set<std::string> physicalIds;
-    camera_metadata_t *metadata = const_cast<camera_metadata_t*>(
-            mCameraInfoMap.valueFor(cameraId).static_camera_characteristics);
-    common::V1_0::helper::CameraMetadata hidlMetadata(metadata);
+    // Skip HAL1 devices which isn't cached in mCameraInfoMap and don't advertise
+    // static_camera_characteristics
+    if (getDeviceVersion(cameraId) >= CAMERA_DEVICE_API_VERSION_3_0) {
+        std::unordered_set<std::string> physicalIds;
+        camera_metadata_t *metadata = const_cast<camera_metadata_t*>(
+                mCameraInfoMap.valueFor(cameraId).static_camera_characteristics);
+        common::V1_0::helper::CameraMetadata hidlMetadata(metadata);
 
-    if (isLogicalMultiCamera(hidlMetadata, &physicalIds)) {
-        for (const auto& id : physicalIds) {
-            int idInt = std::stoi(id);
-            if (mPhysicalCameraInfoMap.indexOfKey(idInt) >= 0) {
-                free_camera_metadata(mPhysicalCameraInfoMap[idInt]);
-                mPhysicalCameraInfoMap.removeItem(idInt);
-            } else {
-                ALOGE("%s: Cannot find corresponding static metadata for physical id %s",
-                        __FUNCTION__, id.c_str());
+        if (isLogicalMultiCamera(hidlMetadata, &physicalIds)) {
+            for (const auto& id : physicalIds) {
+                int idInt = std::stoi(id);
+                if (mPhysicalCameraInfoMap.indexOfKey(idInt) >= 0) {
+                    free_camera_metadata(mPhysicalCameraInfoMap[idInt]);
+                    mPhysicalCameraInfoMap.removeItem(idInt);
+                } else {
+                    ALOGE("%s: Cannot find corresponding static metadata for physical id %s",
+                            __FUNCTION__, id.c_str());
+                }
             }
         }
+        free_camera_metadata(metadata);
     }
-    free_camera_metadata(metadata);
+
     mCameraInfoMap.removeItem(cameraId);
     mDeviceVersionMap.removeItem(cameraId);
 }
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 6c8cb58..1957f8c 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -122,7 +122,7 @@
     </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.boot</name>
-        <version>1.1</version>
+        <version>1.2</version>
         <interface>
             <name>IBootControl</name>
             <instance>default</instance>
diff --git a/graphics/composer/2.4/vts/functional/VtsHalGraphicsComposerV2_4TargetTest.cpp b/graphics/composer/2.4/vts/functional/VtsHalGraphicsComposerV2_4TargetTest.cpp
index a7d1c6c..8077f08 100644
--- a/graphics/composer/2.4/vts/functional/VtsHalGraphicsComposerV2_4TargetTest.cpp
+++ b/graphics/composer/2.4/vts/functional/VtsHalGraphicsComposerV2_4TargetTest.cpp
@@ -58,6 +58,25 @@
 using ContentType = IComposerClient::ContentType;
 using DisplayCapability = IComposerClient::DisplayCapability;
 
+class VtsDisplay {
+  public:
+    VtsDisplay(Display display, int32_t displayWidth, int32_t displayHeight)
+        : mDisplay(display), mDisplayWidth(displayWidth), mDisplayHeight(displayHeight) {}
+
+    Display get() const { return mDisplay; }
+
+    IComposerClient::FRect getCrop() const {
+        return {0, 0, static_cast<float>(mDisplayWidth), static_cast<float>(mDisplayHeight)};
+    }
+
+    IComposerClient::Rect getFrameRect() const { return {0, 0, mDisplayWidth, mDisplayHeight}; }
+
+  private:
+    const Display mDisplay;
+    const int32_t mDisplayWidth;
+    const int32_t mDisplayHeight;
+};
+
 class GraphicsComposerHidlTest : public ::testing::TestWithParam<std::string> {
   protected:
     void SetUp() override {
@@ -68,15 +87,19 @@
         mComposerCallback = new GraphicsComposerCallback;
         mComposerClient->registerCallback_2_4(mComposerCallback);
 
-        // assume the first display is primary and is never removed
-        mPrimaryDisplay = waitForFirstDisplay();
+        // assume the first displays are built-in and are never removed
+        mDisplays = waitForDisplays();
 
         mInvalidDisplayId = GetInvalidDisplayId();
 
         // explicitly disable vsync
-        mComposerClient->setVsyncEnabled(mPrimaryDisplay, false);
+        for (const auto& display : mDisplays) {
+            mComposerClient->setVsyncEnabled(display.get(), false);
+        }
         mComposerCallback->setVsyncAllowed(false);
 
+        ASSERT_NO_FATAL_FAILURE(mGralloc = std::make_unique<Gralloc>());
+
         mWriter = std::make_unique<CommandWriterBase>(1024);
         mReader = std::make_unique<TestCommandReader>();
     }
@@ -84,6 +107,7 @@
     void TearDown() override {
         ASSERT_EQ(0, mReader->mErrors.size());
         ASSERT_EQ(0, mReader->mCompositionChanges.size());
+
         if (mComposerCallback != nullptr) {
             EXPECT_EQ(0, mComposerCallback->getInvalidHotplugCount());
             EXPECT_EQ(0, mComposerCallback->getInvalidRefreshCount());
@@ -98,10 +122,10 @@
     // display.  Currently assuming that a device will never have close to
     // std::numeric_limit<uint64_t>::max() displays registered while running tests
     Display GetInvalidDisplayId() {
-        std::vector<Display> validDisplays = mComposerCallback->getDisplays();
         uint64_t id = std::numeric_limits<uint64_t>::max();
         while (id > 0) {
-            if (std::find(validDisplays.begin(), validDisplays.end(), id) == validDisplays.end()) {
+            if (std::none_of(mDisplays.begin(), mDisplays.end(),
+                             [&](const VtsDisplay& display) { return id == display.get(); })) {
                 return id;
             }
             id--;
@@ -128,6 +152,30 @@
 
     void execute() { mComposerClient->execute(mReader.get(), mWriter.get()); }
 
+    const native_handle_t* allocate() {
+        return mGralloc->allocate(
+                /*width*/ 64, /*height*/ 64, /*layerCount*/ 1,
+                static_cast<common::V1_1::PixelFormat>(PixelFormat::RGBA_8888),
+                static_cast<uint64_t>(BufferUsage::CPU_WRITE_OFTEN | BufferUsage::CPU_READ_OFTEN));
+    }
+
+    struct TestParameters {
+        nsecs_t delayForChange;
+        bool refreshMiss;
+    };
+
+    void Test_setActiveConfigWithConstraints(const TestParameters& params);
+
+    void sendRefreshFrame(const VtsDisplay& display, const VsyncPeriodChangeTimeline*);
+
+    void waitForVsyncPeriodChange(Display display, const VsyncPeriodChangeTimeline& timeline,
+                                  int64_t desiredTimeNanos, int64_t oldPeriodNanos,
+                                  int64_t newPeriodNanos);
+
+    std::unique_ptr<ComposerClient> mComposerClient;
+    std::vector<VtsDisplay> mDisplays;
+    Display mInvalidDisplayId;
+
     void forEachTwoConfigs(Display display, std::function<void(Config, Config)> func) {
         const auto displayConfigs = mComposerClient->getDisplayConfigs(display);
         for (const Config config1 : displayConfigs) {
@@ -139,88 +187,44 @@
         }
     }
 
-    // use the slot count usually set by SF
-    static constexpr uint32_t kBufferSlotCount = 64;
-
     void Test_setContentType(const ContentType& contentType, const char* contentTypeStr);
     void Test_setContentTypeForDisplay(const Display& display,
                                        const std::vector<ContentType>& capabilities,
                                        const ContentType& contentType, const char* contentTypeStr);
 
-    std::unique_ptr<Composer> mComposer;
-    std::unique_ptr<ComposerClient> mComposerClient;
-    sp<GraphicsComposerCallback> mComposerCallback;
-    // the first display and is assumed never to be removed
-    Display mPrimaryDisplay;
-    Display mInvalidDisplayId;
-    std::unique_ptr<CommandWriterBase> mWriter;
-    std::unique_ptr<TestCommandReader> mReader;
-
   private:
-    Display waitForFirstDisplay() {
+    // use the slot count usually set by SF
+    static constexpr uint32_t kBufferSlotCount = 64;
+
+    std::vector<VtsDisplay> waitForDisplays() {
         while (true) {
+            // Sleep for a small period of time to allow all built-in displays
+            // to post hotplug events
+            std::this_thread::sleep_for(5ms);
             std::vector<Display> displays = mComposerCallback->getDisplays();
             if (displays.empty()) {
-                usleep(5 * 1000);
                 continue;
             }
 
-            return displays[0];
+            std::vector<VtsDisplay> vtsDisplays;
+            vtsDisplays.reserve(displays.size());
+            for (Display display : displays) {
+                const Config activeConfig = mComposerClient->getActiveConfig(display);
+                const int32_t displayWidth = mComposerClient->getDisplayAttribute_2_4(
+                        display, activeConfig, IComposerClient::Attribute::WIDTH);
+                const int32_t displayHeight = mComposerClient->getDisplayAttribute_2_4(
+                        display, activeConfig, IComposerClient::Attribute::HEIGHT);
+                vtsDisplays.emplace_back(VtsDisplay{display, displayWidth, displayHeight});
+            }
+
+            return vtsDisplays;
         }
     }
-};
 
-// Tests for IComposerClient::Command.
-class GraphicsComposerHidlCommandTest : public GraphicsComposerHidlTest {
-  protected:
-    void SetUp() override {
-        ASSERT_NO_FATAL_FAILURE(GraphicsComposerHidlTest::SetUp());
-
-        ASSERT_NO_FATAL_FAILURE(mGralloc = std::make_unique<Gralloc>());
-
-        const Config activeConfig = mComposerClient->getActiveConfig(mPrimaryDisplay);
-        mDisplayWidth = mComposerClient->getDisplayAttribute_2_4(mPrimaryDisplay, activeConfig,
-                                                                 IComposerClient::Attribute::WIDTH);
-        mDisplayHeight = mComposerClient->getDisplayAttribute_2_4(
-                mPrimaryDisplay, activeConfig, IComposerClient::Attribute::HEIGHT);
-
-        mWriter = std::make_unique<CommandWriterBase>(1024);
-        mReader = std::make_unique<TestCommandReader>();
-    }
-
-    void TearDown() override {
-        ASSERT_EQ(0, mReader->mErrors.size());
-        ASSERT_NO_FATAL_FAILURE(GraphicsComposerHidlTest::TearDown());
-    }
-
-    const native_handle_t* allocate() {
-        return mGralloc->allocate(
-                /*width*/ 64, /*height*/ 64, /*layerCount*/ 1,
-                static_cast<common::V1_1::PixelFormat>(PixelFormat::RGBA_8888),
-                static_cast<uint64_t>(BufferUsage::CPU_WRITE_OFTEN | BufferUsage::CPU_READ_OFTEN));
-    }
-
-    void execute() { mComposerClient->execute(mReader.get(), mWriter.get()); }
-
-    struct TestParameters {
-        nsecs_t delayForChange;
-        bool refreshMiss;
-    };
-
-    void Test_setActiveConfigWithConstraints(const TestParameters& params);
-
-    void sendRefreshFrame(const VsyncPeriodChangeTimeline*);
-
-    void waitForVsyncPeriodChange(Display display, const VsyncPeriodChangeTimeline& timeline,
-                                  int64_t desiredTimeNanos, int64_t oldPeriodNanos,
-                                  int64_t newPeriodNanos);
-
+    std::unique_ptr<Composer> mComposer;
     std::unique_ptr<CommandWriterBase> mWriter;
     std::unique_ptr<TestCommandReader> mReader;
-    int32_t mDisplayWidth;
-    int32_t mDisplayHeight;
-
-  private:
+    sp<GraphicsComposerCallback> mComposerCallback;
     std::unique_ptr<Gralloc> mGralloc;
 };
 
@@ -231,9 +235,10 @@
 }
 
 TEST_P(GraphicsComposerHidlTest, getDisplayCapabilities) {
-    for (Display display : mComposerCallback->getDisplays()) {
+    for (const auto& display : mDisplays) {
         std::vector<IComposerClient::DisplayCapability> capabilities;
-        EXPECT_EQ(Error::NONE, mComposerClient->getDisplayCapabilities(display, &capabilities));
+        EXPECT_EQ(Error::NONE,
+                  mComposerClient->getDisplayCapabilities(display.get(), &capabilities));
     }
 }
 
@@ -242,38 +247,40 @@
     EXPECT_EQ(Error::BAD_DISPLAY,
               mComposerClient->getDisplayConnectionType(mInvalidDisplayId, &type));
 
-    for (Display display : mComposerCallback->getDisplays()) {
-        EXPECT_EQ(Error::NONE, mComposerClient->getDisplayConnectionType(display, &type));
+    for (const auto& display : mDisplays) {
+        EXPECT_EQ(Error::NONE, mComposerClient->getDisplayConnectionType(display.get(), &type));
     }
 }
 
 TEST_P(GraphicsComposerHidlTest, GetDisplayAttribute_2_4) {
-    std::vector<Config> configs = mComposerClient->getDisplayConfigs(mPrimaryDisplay);
-    for (auto config : configs) {
-        const std::array<IComposerClient::Attribute, 4> requiredAttributes = {{
-                IComposerClient::Attribute::WIDTH,
-                IComposerClient::Attribute::HEIGHT,
-                IComposerClient::Attribute::VSYNC_PERIOD,
-                IComposerClient::Attribute::CONFIG_GROUP,
-        }};
-        for (auto attribute : requiredAttributes) {
-            mComposerClient->getRaw()->getDisplayAttribute_2_4(
-                    mPrimaryDisplay, config, attribute,
-                    [&](const auto& tmpError, const auto& value) {
-                        EXPECT_EQ(Error::NONE, tmpError);
-                        EXPECT_NE(-1, value);
-                    });
-        }
+    for (const auto& display : mDisplays) {
+        std::vector<Config> configs = mComposerClient->getDisplayConfigs(display.get());
+        for (auto config : configs) {
+            const std::array<IComposerClient::Attribute, 4> requiredAttributes = {{
+                    IComposerClient::Attribute::WIDTH,
+                    IComposerClient::Attribute::HEIGHT,
+                    IComposerClient::Attribute::VSYNC_PERIOD,
+                    IComposerClient::Attribute::CONFIG_GROUP,
+            }};
+            for (auto attribute : requiredAttributes) {
+                mComposerClient->getRaw()->getDisplayAttribute_2_4(
+                        display.get(), config, attribute,
+                        [&](const auto& tmpError, const auto& value) {
+                            EXPECT_EQ(Error::NONE, tmpError);
+                            EXPECT_NE(-1, value);
+                        });
+            }
 
-        const std::array<IComposerClient::Attribute, 2> optionalAttributes = {{
-                IComposerClient::Attribute::DPI_X,
-                IComposerClient::Attribute::DPI_Y,
-        }};
-        for (auto attribute : optionalAttributes) {
-            mComposerClient->getRaw()->getDisplayAttribute_2_4(
-                    mPrimaryDisplay, config, attribute, [&](const auto& tmpError, const auto&) {
-                        EXPECT_TRUE(tmpError == Error::NONE || tmpError == Error::UNSUPPORTED);
-                    });
+            const std::array<IComposerClient::Attribute, 2> optionalAttributes = {{
+                    IComposerClient::Attribute::DPI_X,
+                    IComposerClient::Attribute::DPI_Y,
+            }};
+            for (auto attribute : optionalAttributes) {
+                mComposerClient->getRaw()->getDisplayAttribute_2_4(
+                        display.get(), config, attribute, [&](const auto& tmpError, const auto&) {
+                            EXPECT_TRUE(tmpError == Error::NONE || tmpError == Error::UNSUPPORTED);
+                        });
+            }
         }
     }
 }
@@ -284,11 +291,12 @@
               mComposerClient->getDisplayVsyncPeriod(mInvalidDisplayId, &vsyncPeriodNanos));
 }
 
-TEST_P(GraphicsComposerHidlCommandTest, getDisplayVsyncPeriod) {
-    for (Display display : mComposerCallback->getDisplays()) {
-        for (Config config : mComposerClient->getDisplayConfigs(display)) {
+TEST_P(GraphicsComposerHidlTest, getDisplayVsyncPeriod) {
+    for (const auto& display : mDisplays) {
+        for (Config config : mComposerClient->getDisplayConfigs(display.get())) {
             VsyncPeriodNanos expectedVsyncPeriodNanos = mComposerClient->getDisplayAttribute_2_4(
-                    display, config, IComposerClient::IComposerClient::Attribute::VSYNC_PERIOD);
+                    display.get(), config,
+                    IComposerClient::IComposerClient::Attribute::VSYNC_PERIOD);
 
             VsyncPeriodChangeTimeline timeline;
             IComposerClient::VsyncPeriodChangeConstraints constraints;
@@ -296,12 +304,12 @@
             constraints.desiredTimeNanos = systemTime();
             constraints.seamlessRequired = false;
             EXPECT_EQ(Error::NONE, mComposerClient->setActiveConfigWithConstraints(
-                                           display, config, constraints, &timeline));
+                                           display.get(), config, constraints, &timeline));
 
             if (timeline.refreshRequired) {
-                sendRefreshFrame(&timeline);
+                sendRefreshFrame(display, &timeline);
             }
-            waitForVsyncPeriodChange(display, timeline, constraints.desiredTimeNanos, 0,
+            waitForVsyncPeriodChange(display.get(), timeline, constraints.desiredTimeNanos, 0,
                                      expectedVsyncPeriodNanos);
 
             VsyncPeriodNanos vsyncPeriodNanos;
@@ -310,7 +318,7 @@
                 std::this_thread::sleep_for(10ms);
                 vsyncPeriodNanos = 0;
                 EXPECT_EQ(Error::NONE,
-                          mComposerClient->getDisplayVsyncPeriod(display, &vsyncPeriodNanos));
+                          mComposerClient->getDisplayVsyncPeriod(display.get(), &vsyncPeriodNanos));
                 --retryCount;
             } while (vsyncPeriodNanos != expectedVsyncPeriodNanos && retryCount > 0);
 
@@ -323,7 +331,7 @@
                 timeout *= 2;
                 vsyncPeriodNanos = 0;
                 EXPECT_EQ(Error::NONE,
-                          mComposerClient->getDisplayVsyncPeriod(display, &vsyncPeriodNanos));
+                          mComposerClient->getDisplayVsyncPeriod(display.get(), &vsyncPeriodNanos));
                 EXPECT_EQ(vsyncPeriodNanos, expectedVsyncPeriodNanos);
             }
         }
@@ -348,31 +356,34 @@
     constraints.seamlessRequired = false;
     constraints.desiredTimeNanos = systemTime();
 
-    for (Display display : mComposerCallback->getDisplays()) {
-        Config invalidConfigId = GetInvalidConfigId(display);
-        EXPECT_EQ(Error::BAD_CONFIG, mComposerClient->setActiveConfigWithConstraints(
-                                             display, invalidConfigId, constraints, &timeline));
+    for (const auto& display : mDisplays) {
+        Config invalidConfigId = GetInvalidConfigId(display.get());
+        EXPECT_EQ(Error::BAD_CONFIG,
+                  mComposerClient->setActiveConfigWithConstraints(display.get(), invalidConfigId,
+                                                                  constraints, &timeline));
     }
 }
 
-TEST_P(GraphicsComposerHidlCommandTest, setActiveConfigWithConstraints_SeamlessNotAllowed) {
+TEST_P(GraphicsComposerHidlTest, setActiveConfigWithConstraints_SeamlessNotAllowed) {
     VsyncPeriodChangeTimeline timeline;
     IComposerClient::VsyncPeriodChangeConstraints constraints;
 
     constraints.seamlessRequired = true;
     constraints.desiredTimeNanos = systemTime();
 
-    for (Display display : mComposerCallback->getDisplays()) {
-        forEachTwoConfigs(display, [&](Config config1, Config config2) {
+    for (const auto& display : mDisplays) {
+        forEachTwoConfigs(display.get(), [&](Config config1, Config config2) {
             const auto configGroup1 = mComposerClient->getDisplayAttribute_2_4(
-                    display, config1, IComposerClient::IComposerClient::Attribute::CONFIG_GROUP);
+                    display.get(), config1,
+                    IComposerClient::IComposerClient::Attribute::CONFIG_GROUP);
             const auto configGroup2 = mComposerClient->getDisplayAttribute_2_4(
-                    display, config2, IComposerClient::IComposerClient::Attribute::CONFIG_GROUP);
+                    display.get(), config2,
+                    IComposerClient::IComposerClient::Attribute::CONFIG_GROUP);
             if (configGroup1 != configGroup2) {
-                mComposerClient->setActiveConfig(display, config1);
-                sendRefreshFrame(nullptr);
+                mComposerClient->setActiveConfig(display.get(), config1);
+                sendRefreshFrame(display, nullptr);
                 EXPECT_EQ(Error::SEAMLESS_NOT_ALLOWED,
-                          mComposerClient->setActiveConfigWithConstraints(display, config2,
+                          mComposerClient->setActiveConfigWithConstraints(display.get(), config2,
                                                                           constraints, &timeline));
             }
         });
@@ -383,7 +394,8 @@
     return std::chrono::time_point<std::chrono::steady_clock>(std::chrono::nanoseconds(time));
 }
 
-void GraphicsComposerHidlCommandTest::sendRefreshFrame(const VsyncPeriodChangeTimeline* timeline) {
+void GraphicsComposerHidlTest::sendRefreshFrame(const VtsDisplay& display,
+                                                const VsyncPeriodChangeTimeline* timeline) {
     if (timeline != nullptr) {
         // Refresh time should be before newVsyncAppliedTimeNanos
         EXPECT_LT(timeline->refreshTimeNanos, timeline->newVsyncAppliedTimeNanos);
@@ -391,29 +403,25 @@
         std::this_thread::sleep_until(toTimePoint(timeline->refreshTimeNanos));
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-    mComposerClient->setPowerMode(mPrimaryDisplay, V2_1::IComposerClient::PowerMode::ON);
-    mComposerClient->setColorMode_2_3(mPrimaryDisplay, ColorMode::NATIVE,
-                                      RenderIntent::COLORIMETRIC);
+    mWriter->selectDisplay(display.get());
+    mComposerClient->setPowerMode(display.get(), V2_1::IComposerClient::PowerMode::ON);
+    mComposerClient->setColorMode_2_3(display.get(), ColorMode::NATIVE, RenderIntent::COLORIMETRIC);
 
     auto handle = allocate();
     ASSERT_NE(nullptr, handle);
 
-    IComposerClient::Rect displayFrame{0, 0, mDisplayWidth, mDisplayHeight};
-
     Layer layer;
-    ASSERT_NO_FATAL_FAILURE(
-            layer = mComposerClient->createLayer(mPrimaryDisplay, kBufferSlotCount));
+    ASSERT_NO_FATAL_FAILURE(layer = mComposerClient->createLayer(display.get(), kBufferSlotCount));
     mWriter->selectLayer(layer);
     mWriter->setLayerCompositionType(IComposerClient::Composition::DEVICE);
-    mWriter->setLayerDisplayFrame(displayFrame);
+    mWriter->setLayerDisplayFrame(display.getFrameRect());
     mWriter->setLayerPlaneAlpha(1);
-    mWriter->setLayerSourceCrop({0, 0, (float)mDisplayWidth, (float)mDisplayHeight});
+    mWriter->setLayerSourceCrop(display.getCrop());
     mWriter->setLayerTransform(static_cast<Transform>(0));
-    mWriter->setLayerVisibleRegion(std::vector<IComposerClient::Rect>(1, displayFrame));
+    mWriter->setLayerVisibleRegion(std::vector<IComposerClient::Rect>(1, display.getFrameRect()));
     mWriter->setLayerZOrder(10);
     mWriter->setLayerBlendMode(IComposerClient::BlendMode::NONE);
-    mWriter->setLayerSurfaceDamage(std::vector<IComposerClient::Rect>(1, displayFrame));
+    mWriter->setLayerSurfaceDamage(std::vector<IComposerClient::Rect>(1, display.getFrameRect()));
     mWriter->setLayerBuffer(0, handle, -1);
     mWriter->setLayerDataspace(Dataspace::UNKNOWN);
 
@@ -441,9 +449,11 @@
     execute();
 }
 
-void GraphicsComposerHidlCommandTest::waitForVsyncPeriodChange(
-        Display display, const VsyncPeriodChangeTimeline& timeline, int64_t desiredTimeNanos,
-        int64_t oldPeriodNanos, int64_t newPeriodNanos) {
+void GraphicsComposerHidlTest::waitForVsyncPeriodChange(Display display,
+                                                        const VsyncPeriodChangeTimeline& timeline,
+                                                        int64_t desiredTimeNanos,
+                                                        int64_t oldPeriodNanos,
+                                                        int64_t newPeriodNanos) {
     const auto CHANGE_DEADLINE = toTimePoint(timeline.newVsyncAppliedTimeNanos) + 100ms;
     while (std::chrono::steady_clock::now() <= CHANGE_DEADLINE) {
         VsyncPeriodNanos vsyncPeriodNanos;
@@ -457,17 +467,18 @@
     }
 }
 
-void GraphicsComposerHidlCommandTest::Test_setActiveConfigWithConstraints(
-        const TestParameters& params) {
-    for (Display display : mComposerCallback->getDisplays()) {
-        forEachTwoConfigs(display, [&](Config config1, Config config2) {
-            mComposerClient->setActiveConfig(display, config1);
-            sendRefreshFrame(nullptr);
+void GraphicsComposerHidlTest::Test_setActiveConfigWithConstraints(const TestParameters& params) {
+    for (const auto& display : mDisplays) {
+        forEachTwoConfigs(display.get(), [&](Config config1, Config config2) {
+            mComposerClient->setActiveConfig(display.get(), config1);
+            sendRefreshFrame(display, nullptr);
 
             int32_t vsyncPeriod1 = mComposerClient->getDisplayAttribute_2_4(
-                    display, config1, IComposerClient::IComposerClient::Attribute::VSYNC_PERIOD);
+                    display.get(), config1,
+                    IComposerClient::IComposerClient::Attribute::VSYNC_PERIOD);
             int32_t vsyncPeriod2 = mComposerClient->getDisplayAttribute_2_4(
-                    display, config2, IComposerClient::IComposerClient::Attribute::VSYNC_PERIOD);
+                    display.get(), config2,
+                    IComposerClient::IComposerClient::Attribute::VSYNC_PERIOD);
 
             if (vsyncPeriod1 == vsyncPeriod2) {
                 return;  // continue
@@ -478,7 +489,7 @@
                     .desiredTimeNanos = systemTime() + params.delayForChange,
                     .seamlessRequired = false};
             EXPECT_EQ(Error::NONE, mComposerClient->setActiveConfigWithConstraints(
-                                           display, config2, constraints, &timeline));
+                                           display.get(), config2, constraints, &timeline));
 
             EXPECT_TRUE(timeline.newVsyncAppliedTimeNanos >= constraints.desiredTimeNanos);
             // Refresh rate should change within a reasonable time
@@ -492,10 +503,10 @@
                     // callback
                     std::this_thread::sleep_until(toTimePoint(timeline.refreshTimeNanos) + 100ms);
                 }
-                sendRefreshFrame(&timeline);
+                sendRefreshFrame(display, &timeline);
             }
-            waitForVsyncPeriodChange(display, timeline, constraints.desiredTimeNanos, vsyncPeriod1,
-                                     vsyncPeriod2);
+            waitForVsyncPeriodChange(display.get(), timeline, constraints.desiredTimeNanos,
+                                     vsyncPeriod1, vsyncPeriod2);
 
             // At this point the refresh rate should have changed already, however in rare
             // cases the implementation might have missed the deadline. In this case a new
@@ -507,30 +518,30 @@
 
             if (newTimeline.has_value()) {
                 if (newTimeline->refreshRequired) {
-                    sendRefreshFrame(&newTimeline.value());
+                    sendRefreshFrame(display, &newTimeline.value());
                 }
-                waitForVsyncPeriodChange(display, newTimeline.value(), constraints.desiredTimeNanos,
-                                         vsyncPeriod1, vsyncPeriod2);
+                waitForVsyncPeriodChange(display.get(), newTimeline.value(),
+                                         constraints.desiredTimeNanos, vsyncPeriod1, vsyncPeriod2);
             }
 
             VsyncPeriodNanos vsyncPeriodNanos;
             EXPECT_EQ(Error::NONE,
-                      mComposerClient->getDisplayVsyncPeriod(display, &vsyncPeriodNanos));
+                      mComposerClient->getDisplayVsyncPeriod(display.get(), &vsyncPeriodNanos));
             EXPECT_EQ(vsyncPeriodNanos, vsyncPeriod2);
         });
     }
 }
 
-TEST_P(GraphicsComposerHidlCommandTest, setActiveConfigWithConstraints) {
+TEST_P(GraphicsComposerHidlTest, setActiveConfigWithConstraints) {
     Test_setActiveConfigWithConstraints({.delayForChange = 0, .refreshMiss = false});
 }
 
-TEST_P(GraphicsComposerHidlCommandTest, setActiveConfigWithConstraints_Delayed) {
+TEST_P(GraphicsComposerHidlTest, setActiveConfigWithConstraints_Delayed) {
     Test_setActiveConfigWithConstraints({.delayForChange = 300'000'000,  // 300ms
                                          .refreshMiss = false});
 }
 
-TEST_P(GraphicsComposerHidlCommandTest, setActiveConfigWithConstraints_MissRefresh) {
+TEST_P(GraphicsComposerHidlTest, setActiveConfigWithConstraints_MissRefresh) {
     Test_setActiveConfigWithConstraints({.delayForChange = 0, .refreshMiss = true});
 }
 
@@ -540,9 +551,9 @@
 }
 
 TEST_P(GraphicsComposerHidlTest, setAutoLowLatencyMode) {
-    for (Display display : mComposerCallback->getDisplays()) {
+    for (const auto& display : mDisplays) {
         std::vector<DisplayCapability> capabilities;
-        const auto error = mComposerClient->getDisplayCapabilities(display, &capabilities);
+        const auto error = mComposerClient->getDisplayCapabilities(display.get(), &capabilities);
         EXPECT_EQ(Error::NONE, error);
 
         const bool allmSupport =
@@ -551,16 +562,16 @@
 
         if (!allmSupport) {
             EXPECT_EQ(Error::UNSUPPORTED,
-                      mComposerClient->setAutoLowLatencyMode(mPrimaryDisplay, true));
+                      mComposerClient->setAutoLowLatencyMode(display.get(), true));
             EXPECT_EQ(Error::UNSUPPORTED,
-                      mComposerClient->setAutoLowLatencyMode(mPrimaryDisplay, false));
+                      mComposerClient->setAutoLowLatencyMode(display.get(), false));
             GTEST_SUCCEED() << "Auto Low Latency Mode is not supported on display "
-                            << std::to_string(display) << ", skipping test";
+                            << std::to_string(display.get()) << ", skipping test";
             return;
         }
 
-        EXPECT_EQ(Error::NONE, mComposerClient->setAutoLowLatencyMode(mPrimaryDisplay, true));
-        EXPECT_EQ(Error::NONE, mComposerClient->setAutoLowLatencyMode(mPrimaryDisplay, false));
+        EXPECT_EQ(Error::NONE, mComposerClient->setAutoLowLatencyMode(display.get(), true));
+        EXPECT_EQ(Error::NONE, mComposerClient->setAutoLowLatencyMode(display.get(), false));
     }
 }
 
@@ -573,10 +584,10 @@
 
 TEST_P(GraphicsComposerHidlTest, getSupportedContentTypes) {
     std::vector<ContentType> supportedContentTypes;
-    for (Display display : mComposerCallback->getDisplays()) {
+    for (const auto& display : mDisplays) {
         supportedContentTypes.clear();
         const auto error =
-                mComposerClient->getSupportedContentTypes(display, &supportedContentTypes);
+                mComposerClient->getSupportedContentTypes(display.get(), &supportedContentTypes);
         const bool noneSupported =
                 std::find(supportedContentTypes.begin(), supportedContentTypes.end(),
                           ContentType::NONE) != supportedContentTypes.end();
@@ -586,8 +597,8 @@
 }
 
 TEST_P(GraphicsComposerHidlTest, setContentTypeNoneAlwaysAccepted) {
-    for (Display display : mComposerCallback->getDisplays()) {
-        const auto error = mComposerClient->setContentType(display, ContentType::NONE);
+    for (const auto& display : mDisplays) {
+        const auto error = mComposerClient->setContentType(display.get(), ContentType::NONE);
         EXPECT_NE(Error::UNSUPPORTED, error);
     }
 }
@@ -619,13 +630,14 @@
 
 void GraphicsComposerHidlTest::Test_setContentType(const ContentType& contentType,
                                                    const char* contentTypeStr) {
-    for (Display display : mComposerCallback->getDisplays()) {
+    for (const auto& display : mDisplays) {
         std::vector<ContentType> supportedContentTypes;
         const auto error =
-                mComposerClient->getSupportedContentTypes(display, &supportedContentTypes);
+                mComposerClient->getSupportedContentTypes(display.get(), &supportedContentTypes);
         EXPECT_EQ(Error::NONE, error);
 
-        Test_setContentTypeForDisplay(display, supportedContentTypes, contentType, contentTypeStr);
+        Test_setContentTypeForDisplay(display.get(), supportedContentTypes, contentType,
+                                      contentTypeStr);
     }
 }
 
@@ -650,12 +662,7 @@
         testing::ValuesIn(android::hardware::getAllHalInstanceNames(IComposer::descriptor)),
         android::hardware::PrintInstanceNameToString);
 
-INSTANTIATE_TEST_SUITE_P(
-        PerInstance, GraphicsComposerHidlCommandTest,
-        testing::ValuesIn(android::hardware::getAllHalInstanceNames(IComposer::descriptor)),
-        android::hardware::PrintInstanceNameToString);
-
-TEST_P(GraphicsComposerHidlCommandTest, getLayerGenericMetadataKeys) {
+TEST_P(GraphicsComposerHidlTest, getLayerGenericMetadataKeys) {
     std::vector<IComposerClient::LayerGenericMetadataKey> keys;
     mComposerClient->getLayerGenericMetadataKeys(&keys);
 
@@ -695,4 +702,4 @@
     }
 
     return RUN_ALL_TESTS();
-}
\ No newline at end of file
+}
diff --git a/keymaster/3.0/default/KeymasterDevice.cpp b/keymaster/3.0/default/KeymasterDevice.cpp
index 7d3e6f2..8b416c3 100644
--- a/keymaster/3.0/default/KeymasterDevice.cpp
+++ b/keymaster/3.0/default/KeymasterDevice.cpp
@@ -22,7 +22,6 @@
 #include <log/log.h>
 
 #include <AndroidKeymaster3Device.h>
-#include <hardware/keymaster0.h>
 #include <hardware/keymaster1.h>
 #include <hardware/keymaster2.h>
 #include <hardware/keymaster_defs.h>
@@ -33,16 +32,6 @@
 namespace V3_0 {
 namespace implementation {
 
-static int get_keymaster0_dev(keymaster0_device_t** dev, const hw_module_t* mod) {
-    int rc = keymaster0_open(mod, dev);
-    if (rc) {
-        ALOGE("Error opening keystore keymaster0 device.");
-        *dev = nullptr;
-        return rc;
-    }
-    return 0;
-}
-
 static int get_keymaster1_dev(keymaster1_device_t** dev, const hw_module_t* mod) {
     int rc = keymaster1_open(mod, dev);
     if (rc) {
@@ -75,11 +64,7 @@
     }
 
     if (mod->module_api_version < KEYMASTER_MODULE_API_VERSION_1_0) {
-        keymaster0_device_t* dev = nullptr;
-        if (get_keymaster0_dev(&dev, mod)) {
-            return nullptr;
-        }
-        return ::keymaster::ng::CreateKeymasterDevice(dev);
+        return nullptr;
     } else if (mod->module_api_version == KEYMASTER_MODULE_API_VERSION_1_0) {
         keymaster1_device_t* dev = nullptr;
         if (get_keymaster1_dev(&dev, mod)) {
diff --git a/neuralnetworks/TEST_MAPPING b/neuralnetworks/TEST_MAPPING
index 0cefffa..ca5041d 100644
--- a/neuralnetworks/TEST_MAPPING
+++ b/neuralnetworks/TEST_MAPPING
@@ -21,7 +21,9 @@
           "include-filter": "-*sample_float_fast*:*sample_float_slow*:*sample_minimal*:*sample_quant*"
         }
       ]
-    },
+    }
+  ],
+  "presubmit-large": [
     {
       "name": "VtsHalNeuralnetworksV1_2TargetTest",
       "options": [
diff --git a/radio/1.6/IRadio.hal b/radio/1.6/IRadio.hal
index 85e8cad..2c8ac5e 100644
--- a/radio/1.6/IRadio.hal
+++ b/radio/1.6/IRadio.hal
@@ -347,15 +347,15 @@
      *
      * @param serial Serial number of request.
      * @param dataThrottlingAction DataThrottlingAction as defined in types.hal
-     * @param completionWindowSecs window, in seconds, in which the requested
-     *     throttling action has to be achieved. This must be 0 when
+     * @param completionDurationMillis window, in milliseconds, in which the
+     *     requested throttling action has to be achieved. This must be 0 when
      *     dataThrottlingAction is DataThrottlingAction:HOLD.
      *
      * Response function is IRadioResponse.setDataThrottlingResponse()
      */
     oneway setDataThrottling(int32_t serial,
             DataThrottlingAction dataThrottlingAction,
-            int32_t completionWindowSecs);
+            int64_t completionDurationMillis);
 
     /**
      * Get which bands the modem's background scan is acting on.
@@ -366,6 +366,20 @@
      */
     oneway getSystemSelectionChannels(int32_t serial);
 
+   /**
+     * Request all of the current cell information known to the radio. The radio
+     * must return list of all current cells, including the neighboring cells. If for a particular
+     * cell information isn't known then the appropriate unknown value will be returned.
+     * This does not cause or change the rate of unsolicited cellInfoList().
+     *
+     * This is identitcal to getCellInfoList in V1.0, but it requests updated version of CellInfo.
+     *
+     * @param serial Serial number of request.
+     *
+     * Response callback is IRadioResponse.getCellInfoListResponse()
+     */
+    oneway getCellInfoList_1_6(int32_t serial);
+
     /**
      * Request current voice registration state.
      *
@@ -376,6 +390,15 @@
     oneway getVoiceRegistrationState_1_6(int32_t serial);
 
     /**
+     * Requests current signal strength and associated information.  Must succeed if radio is on.
+     *
+     * @param serial Serial number of request.
+     *
+     * Response function is IRadioResponse.getSignalStrengthResponse_1_6()
+     */
+    oneway getSignalStrength_1_6(int32_t serial);
+
+    /**
      * Request current data registration state.
      *
      * @param serial Serial number of request.
diff --git a/radio/1.6/IRadioIndication.hal b/radio/1.6/IRadioIndication.hal
index f195c0e..1b56d40 100644
--- a/radio/1.6/IRadioIndication.hal
+++ b/radio/1.6/IRadioIndication.hal
@@ -18,8 +18,11 @@
 
 import @1.0::RadioIndicationType;
 import @1.5::IRadioIndication;
-import @1.6::SetupDataCallResult;
+import @1.6::CellInfo;
 import @1.6::LinkCapacityEstimate;
+import @1.6::NetworkScanResult;
+import @1.6::SignalStrength;
+import @1.6::SetupDataCallResult;
 
 /**
  * Interface declaring unsolicited radio indications.
@@ -67,4 +70,35 @@
      * @param lce LinkCapacityEstimate
      */
     oneway currentLinkCapacityEstimate_1_6(RadioIndicationType type, LinkCapacityEstimate lce);
+
+
+    /**
+     * Indicates current signal strength of the radio.
+     *
+     * This is identical to currentSignalStrength_1_4 but uses an updated version of
+     * SignalStrength.
+     *
+     * @param type Type of radio indication
+     * @param signalStrength SignalStrength information
+     */
+    oneway currentSignalStrength_1_6(RadioIndicationType type, SignalStrength signalStrength);
+
+    /**
+     * Report all of the current cell information known to the radio.
+     *
+     * This indication is updated from IRadioIndication@1.5 to report the @1.6 version of
+     * CellInfo.
+     *
+     * @param type Type of radio indication
+     * @param records Current cell information
+     */
+    oneway cellInfoList_1_6(RadioIndicationType type, vec<CellInfo> records);
+
+    /**
+     * Incremental network scan results.
+     *
+     * This indication is updated from IRadioIndication@1.5 to report the @1.6 version of
+     * CellInfo.
+     */
+    oneway networkScanResult_1_6(RadioIndicationType type, NetworkScanResult result);
 };
diff --git a/radio/1.6/IRadioResponse.hal b/radio/1.6/IRadioResponse.hal
index 29b8e9d..3b2061f 100644
--- a/radio/1.6/IRadioResponse.hal
+++ b/radio/1.6/IRadioResponse.hal
@@ -17,10 +17,12 @@
 package android.hardware.radio@1.6;
 
 import @1.0::SendSmsResult;
-import @1.6::RadioResponseInfo;
 import @1.5::IRadioResponse;
+import @1.6::CellInfo;
 import @1.6::RegStateResult;
+import @1.6::RadioResponseInfo;
 import @1.6::SetupDataCallResult;
+import @1.6::SignalStrength;
 
 /**
  * Interface declaring response functions to solicited radio requests.
@@ -330,6 +332,32 @@
     oneway getSystemSelectionChannelsResponse(RadioResponseInfo info);
 
     /**
+     * This is identical to getCellInfoListResponse_1_5 but uses an updated version of CellInfo.
+     *
+     * @param info Response info struct containing response type, serial no. and error
+     * @param cellInfo List of current cell information known to radio
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     */
+    oneway getCellInfoListResponse_1_6(RadioResponseInfo info, vec<CellInfo> cellInfo);
+
+    /**
+     * This is identical to getSignalStrengthResponse_1_4 but uses an updated version of
+     * SignalStrength.
+     *
+     * @param signalStrength Current signal strength
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     */
+    oneway getSignalStrengthResponse_1_6(RadioResponseInfo info, SignalStrength signalStrength);
+
+    /**
      * @param info Response info struct containing response type, serial no. and error
      * @param voiceRegResponse Current Voice registration response as defined by RegStateResult
      *        in types.hal
diff --git a/radio/1.6/types.hal b/radio/1.6/types.hal
index cfa2cde..20dc612 100644
--- a/radio/1.6/types.hal
+++ b/radio/1.6/types.hal
@@ -16,14 +16,29 @@
 
 package android.hardware.radio@1.6;
 
+import @1.0::CdmaSignalStrength;
+import @1.0::EvdoSignalStrength;
+import @1.0::GsmSignalStrength;
+import @1.0::LteSignalStrength;
 import @1.0::RadioError;
 import @1.0::RadioResponseType;
 import @1.0::RegState;
+import @1.1::ScanStatus;
+import @1.2::CellInfoCdma;
+import @1.2::CellConnectionStatus;
+import @1.2::TdscdmaSignalStrength;
+import @1.2::WcdmaSignalStrength;
 import @1.4::DataCallFailCause;
 import @1.4::DataConnActiveStatus;
+import @1.4::NrSignalStrength;
 import @1.4::PdpProtocolType;
 import @1.4::RadioTechnology;
 import @1.5::CellIdentity;
+import @1.5::CellIdentityLte;
+import @1.5::CellIdentityNr;
+import @1.5::CellInfoGsm;
+import @1.5::CellInfoWcdma;
+import @1.5::CellInfoTdscdma;
 import @1.5::LinkAddress;
 import @1.5::RegStateResult.AccessTechnologySpecificInfo.Cdma2000RegistrationInfo;
 import @1.5::RegStateResult.AccessTechnologySpecificInfo.EutranRegistrationInfo;
@@ -504,6 +519,153 @@
     EmfIndicator emfSupported;
 };
 
+struct LteSignalStrength {
+    @1.0::LteSignalStrength base;
+
+    /**
+     * CSI channel quality indicator (CQI) table index. There are multiple CQI tables.
+     * The definition of CQI in each table is different.
+     *
+     * Reference: 3GPP TS 136.213 section 7.2.3.
+     *
+     * Range [1, 6], INT_MAX means invalid/unreported.
+     */
+    uint32_t cqiTableIndex;
+};
+
+struct NrSignalStrength {
+    @1.4::NrSignalStrength base;
+
+    /**
+     * CSI channel quality indicator (CQI) table index. There are multiple CQI tables.
+     * The definition of CQI in each table is different.
+     *
+     * Reference: 3GPP TS 138.214 section 5.2.2.1.
+     *
+     * Range [1, 3], INT_MAX means invalid/unreported.
+     */
+    uint32_t csiCqiTableIndex;
+
+    /**
+     * CSI channel quality indicator (CQI) for all subbands.
+     *
+     * If the CQI report is for the entire wideband, a single CQI index is provided.
+     * If the CQI report is for all subbands, one CQI index is provided for each subband,
+     * in ascending order of subband index.
+     * If CQI is not available, the CQI report is empty.
+     *
+     * Reference: 3GPP TS 138.214 section 5.2.2.1.
+     *
+     * Range [0, 15], INT_MAX means invalid/unreported.
+     */
+    vec<uint32_t> csiCqiReport;
+};
+
+/**
+ * Overwritten from @1.4::SignalStrength in order to update LteSignalStrength and NrSignalStrength.
+ */
+struct SignalStrength {
+    /**
+     * If GSM measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    GsmSignalStrength gsm;
+
+    /**
+     * If CDMA measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    CdmaSignalStrength cdma;
+
+    /**
+     * If EvDO measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    EvdoSignalStrength evdo;
+
+    /**
+     * If LTE measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    LteSignalStrength lte;
+
+    /**
+     * If TD-SCDMA measurements are provided, this structure must contain valid measurements;
+     * otherwise all fields should be set to INT_MAX to mark them as invalid.
+     */
+    TdscdmaSignalStrength tdscdma;
+
+    /**
+     * If WCDMA measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    WcdmaSignalStrength wcdma;
+
+    /**
+     * If NR 5G measurements are provided, this structure must contain valid measurements; otherwise
+     * all fields should be set to INT_MAX to mark them as invalid.
+     */
+    NrSignalStrength nr;
+};
+
+/** Overwritten from @1.5::CellInfoLte in order to update LteSignalStrength. */
+struct CellInfoLte {
+    CellIdentityLte cellIdentityLte;
+    LteSignalStrength signalStrengthLte;
+};
+
+/** Overwritten from @1.5::CellInfoNr in order to update NrSignalStrength. */
+struct CellInfoNr {
+    CellIdentityNr cellIdentityNr;
+    NrSignalStrength signalStrengthNr;
+};
+
+/** Overwritten from @1.5::CellInfo in order to update LteSignalStrength and NrSignalStrength. */
+struct CellInfo {
+    /**
+     * True if this cell is registered false if not registered.
+     */
+    bool registered;
+    /**
+     * Connection status for the cell.
+     */
+    CellConnectionStatus connectionStatus;
+
+    safe_union CellInfoRatSpecificInfo {
+        /**
+         * 3gpp CellInfo types.
+         */
+        CellInfoGsm gsm;
+        CellInfoWcdma wcdma;
+        CellInfoTdscdma tdscdma;
+        CellInfoLte lte;
+        CellInfoNr nr;
+
+        /**
+         * 3gpp2 CellInfo types;
+         */
+        CellInfoCdma cdma;
+    } ratSpecificInfo;
+};
+
+/** Overwritten from @1.5::NetworkScanResult in order to update the CellInfo to 1.6 version. */
+struct NetworkScanResult {
+    /**
+     * The status of the scan.
+     */
+    ScanStatus status;
+
+    /**
+     * The error code of the incremental result.
+     */
+    RadioError error;
+
+    /**
+     * List of network information as CellInfo.
+     */
+    vec<CellInfo> networkInfos;
+};
+
 /**
  * Overwritten from @1.5::RegStateResult to 1.6 to support NrRegistrationInfo
  * version.
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
index ba825b8..75772cd 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
@@ -303,7 +303,7 @@
     serial = GetRandomSerialNumber();
 
     Return<void> res = radio_v1_6->setDataThrottling(
-            serial, DataThrottlingAction::THROTTLE_SECONDARY_CARRIER, 60);
+            serial, DataThrottlingAction::THROTTLE_SECONDARY_CARRIER, 60000);
     ASSERT_OK(res);
 
     EXPECT_EQ(std::cv_status::no_timeout, wait());
@@ -318,7 +318,8 @@
 
     serial = GetRandomSerialNumber();
 
-    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::THROTTLE_ANCHOR_CARRIER, 60);
+    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::THROTTLE_ANCHOR_CARRIER,
+                                        60000);
     ASSERT_OK(res);
     EXPECT_EQ(std::cv_status::no_timeout, wait());
     EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_6->rspInfo.type);
@@ -332,7 +333,7 @@
 
     serial = GetRandomSerialNumber();
 
-    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::HOLD, 60);
+    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::HOLD, 60000);
     ASSERT_OK(res);
 
     EXPECT_EQ(std::cv_status::no_timeout, wait());
@@ -347,7 +348,7 @@
 
     serial = GetRandomSerialNumber();
 
-    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::NO_DATA_THROTTLING, 60);
+    res = radio_v1_6->setDataThrottling(serial, DataThrottlingAction::NO_DATA_THROTTLING, 60000);
     ASSERT_OK(res);
     EXPECT_EQ(std::cv_status::no_timeout, wait());
     EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_6->rspInfo.type);
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h b/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h
index 2a442e7..111fcd1 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h
+++ b/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h
@@ -799,6 +799,15 @@
     Return<void> getSystemSelectionChannelsResponse(
             const ::android::hardware::radio::V1_6::RadioResponseInfo& info);
 
+    Return<void> getSignalStrengthResponse_1_6(
+            const ::android::hardware::radio::V1_6::RadioResponseInfo& info,
+            const ::android::hardware::radio::V1_6::SignalStrength& sig_strength);
+
+    Return<void> getCellInfoListResponse_1_6(
+            const ::android::hardware::radio::V1_6::RadioResponseInfo& info,
+            const ::android::hardware::hidl_vec<::android::hardware::radio::V1_6::CellInfo>&
+                    cellInfo);
+
     Return<void> getVoiceRegistrationStateResponse_1_6(
             const ::android::hardware::radio::V1_6::RadioResponseInfo& info,
             const ::android::hardware::radio::V1_6::RegStateResult& regResponse);
@@ -825,6 +834,19 @@
     Return<void> unthrottleApn(RadioIndicationType type,
                                const ::android::hardware::hidl_string& apn);
 
+    Return<void> currentSignalStrength_1_6(
+            RadioIndicationType type,
+            const ::android::hardware::radio::V1_6::SignalStrength& signalStrength);
+
+    Return<void> networkScanResult_1_6(
+            RadioIndicationType type,
+            const ::android::hardware::radio::V1_6::NetworkScanResult& result);
+
+    Return<void> cellInfoList_1_6(
+            RadioIndicationType type,
+            const ::android::hardware::hidl_vec<::android::hardware::radio::V1_6::CellInfo>&
+                    records);
+
     /* 1.5 Api */
     Return<void> uiccApplicationsEnablementChanged(RadioIndicationType type, bool enabled);
 
diff --git a/radio/1.6/vts/functional/radio_indication.cpp b/radio/1.6/vts/functional/radio_indication.cpp
index afde291..bfc54c0 100644
--- a/radio/1.6/vts/functional/radio_indication.cpp
+++ b/radio/1.6/vts/functional/radio_indication.cpp
@@ -386,3 +386,22 @@
                                               const ::android::hardware::hidl_string& /*reason*/) {
     return Void();
 }
+
+Return<void> RadioIndication_v1_6::currentSignalStrength_1_6(
+        RadioIndicationType /*type*/,
+        const ::android::hardware::radio::V1_6::SignalStrength& /*signalStrength*/) {
+    return Void();
+}
+
+Return<void> RadioIndication_v1_6::networkScanResult_1_6(
+        RadioIndicationType /*type*/,
+        const ::android::hardware::radio::V1_6::NetworkScanResult& /*result*/) {
+    return Void();
+}
+
+Return<void> RadioIndication_v1_6::cellInfoList_1_6(
+        RadioIndicationType /*type*/,
+        const ::android::hardware::hidl_vec<
+                ::android::hardware::radio::V1_6::CellInfo>& /*records*/) {
+    return Void();
+}
diff --git a/radio/1.6/vts/functional/radio_response.cpp b/radio/1.6/vts/functional/radio_response.cpp
index 52d3486..68d1f20 100644
--- a/radio/1.6/vts/functional/radio_response.cpp
+++ b/radio/1.6/vts/functional/radio_response.cpp
@@ -808,12 +808,6 @@
     return Void();
 }
 
-Return<void> RadioResponse_v1_6::getSignalStrengthResponse_1_4(
-        const ::android::hardware::radio::V1_0::RadioResponseInfo& /*info*/,
-        const ::android::hardware::radio::V1_4::SignalStrength& /*sig_strength*/) {
-    return Void();
-}
-
 Return<void> RadioResponse_v1_6::getCellInfoListResponse_1_2(
         const ::android::hardware::radio::V1_0::RadioResponseInfo& /*info*/,
         const ::android::hardware::hidl_vec<
@@ -867,6 +861,12 @@
     return Void();
 }
 
+Return<void> RadioResponse_v1_6::getSignalStrengthResponse_1_4(
+        const ::android::hardware::radio::V1_0::RadioResponseInfo& /*info*/,
+        const ::android::hardware::radio::V1_4::SignalStrength& /*sig_strength*/) {
+    return Void();
+}
+
 Return<void> RadioResponse_v1_6::getCellInfoListResponse_1_4(
         const ::android::hardware::radio::V1_0::RadioResponseInfo& /*info*/,
         const ::android::hardware::hidl_vec<
@@ -1164,6 +1164,19 @@
     return Void();
 }
 
+Return<void> RadioResponse_v1_6::getSignalStrengthResponse_1_6(
+        const ::android::hardware::radio::V1_6::RadioResponseInfo& /*info*/,
+        const ::android::hardware::radio::V1_6::SignalStrength& /*sig_strength*/) {
+    return Void();
+}
+
+Return<void> RadioResponse_v1_6::getCellInfoListResponse_1_6(
+        const ::android::hardware::radio::V1_6::RadioResponseInfo& /*info*/,
+        const ::android::hardware::hidl_vec<
+                ::android::hardware::radio::V1_6::CellInfo>& /*cellInfo*/) {
+    return Void();
+}
+
 Return<void> RadioResponse_v1_6::getSystemSelectionChannelsResponse(
         const ::android::hardware::radio::V1_6::RadioResponseInfo& info) {
     rspInfo = info;
diff --git a/sensors/2.1/default/SensorsV2_1.cpp b/sensors/2.1/default/SensorsV2_1.cpp
index 2e3d315..4c5386a 100644
--- a/sensors/2.1/default/SensorsV2_1.cpp
+++ b/sensors/2.1/default/SensorsV2_1.cpp
@@ -45,7 +45,8 @@
         mSensorInfo.fifoReservedEventCount = 0;
         mSensorInfo.fifoMaxEventCount = 0;
         mSensorInfo.requiredPermission = "";
-        mSensorInfo.flags = static_cast<uint32_t>(V1_0::SensorFlagBits::ON_CHANGE_MODE);
+        mSensorInfo.flags = static_cast<uint32_t>(V1_0::SensorFlagBits::ON_CHANGE_MODE |
+                                                  V1_0::SensorFlagBits::WAKE_UP);
     }
 };
 
diff --git a/sensors/common/default/2.X/Sensor.cpp b/sensors/common/default/2.X/Sensor.cpp
index 870980f..642fc89 100644
--- a/sensors/common/default/2.X/Sensor.cpp
+++ b/sensors/common/default/2.X/Sensor.cpp
@@ -26,6 +26,7 @@
 namespace V2_X {
 namespace implementation {
 
+using ::android::hardware::sensors::V1_0::EventPayload;
 using ::android::hardware::sensors::V1_0::MetaDataEventType;
 using ::android::hardware::sensors::V1_0::OperationMode;
 using ::android::hardware::sensors::V1_0::Result;
@@ -133,20 +134,13 @@
 }
 
 std::vector<Event> Sensor::readEvents() {
-    // For an accelerometer sensor type, default the z-direction
-    // value to -9.8
-    float zValue = (mSensorInfo.type == SensorType::ACCELEROMETER)
-        ? -9.8 : 0.0;
-
     std::vector<Event> events;
     Event event;
     event.sensorHandle = mSensorInfo.sensorHandle;
     event.sensorType = mSensorInfo.type;
     event.timestamp = ::android::elapsedRealtimeNano();
-    event.u.vec3.x = 0;
-    event.u.vec3.y = 0;
-    event.u.vec3.z = zValue;
-    event.u.vec3.status = SensorStatus::ACCURACY_HIGH;
+    memset(&event.u, 0, sizeof(event.u));
+    readEventPayload(event.u);
     events.push_back(event);
     return events;
 }
@@ -194,7 +188,7 @@
 
     for (auto iter = events.begin(); iter != events.end(); ++iter) {
         Event ev = *iter;
-        if (ev.u.vec3 != mPreviousEvent.u.vec3 || !mPreviousEventSet) {
+        if (!mPreviousEventSet || memcmp(&mPreviousEvent.u, &ev.u, sizeof(ev.u)) != 0) {
             outputEvents.push_back(ev);
             mPreviousEvent = ev;
             mPreviousEventSet = true;
@@ -213,7 +207,7 @@
     mSensorInfo.maxRange = 78.4f;  // +/- 8g
     mSensorInfo.resolution = 1.52e-5;
     mSensorInfo.power = 0.001f;        // mA
-    mSensorInfo.minDelay = 20 * 1000;  // microseconds
+    mSensorInfo.minDelay = 10 * 1000;  // microseconds
     mSensorInfo.maxDelay = kDefaultMaxDelayUs;
     mSensorInfo.fifoReservedEventCount = 0;
     mSensorInfo.fifoMaxEventCount = 0;
@@ -221,6 +215,13 @@
     mSensorInfo.flags = static_cast<uint32_t>(SensorFlagBits::DATA_INJECTION);
 };
 
+void AccelSensor::readEventPayload(EventPayload& payload) {
+    payload.vec3.x = 0;
+    payload.vec3.y = 0;
+    payload.vec3.z = -9.8;
+    payload.vec3.status = SensorStatus::ACCURACY_HIGH;
+}
+
 PressureSensor::PressureSensor(int32_t sensorHandle, ISensorsEventCallback* callback)
     : Sensor(callback) {
     mSensorInfo.sensorHandle = sensorHandle;
@@ -240,6 +241,10 @@
     mSensorInfo.flags = 0;
 };
 
+void PressureSensor::readEventPayload(EventPayload& payload) {
+    payload.scalar = 1013.25f;
+}
+
 MagnetometerSensor::MagnetometerSensor(int32_t sensorHandle, ISensorsEventCallback* callback)
     : Sensor(callback) {
     mSensorInfo.sensorHandle = sensorHandle;
diff --git a/sensors/common/default/2.X/Sensor.h b/sensors/common/default/2.X/Sensor.h
index a792797..8ef11be 100644
--- a/sensors/common/default/2.X/Sensor.h
+++ b/sensors/common/default/2.X/Sensor.h
@@ -47,6 +47,7 @@
     using OperationMode = ::android::hardware::sensors::V1_0::OperationMode;
     using Result = ::android::hardware::sensors::V1_0::Result;
     using Event = ::android::hardware::sensors::V2_1::Event;
+    using EventPayload = ::android::hardware::sensors::V1_0::EventPayload;
     using SensorInfo = ::android::hardware::sensors::V2_1::SensorInfo;
     using SensorType = ::android::hardware::sensors::V2_1::SensorType;
 
@@ -65,6 +66,7 @@
   protected:
     void run();
     virtual std::vector<Event> readEvents();
+    virtual void readEventPayload(EventPayload&) {}
     static void startThread(Sensor* sensor);
 
     bool isWakeUpSensor();
@@ -101,6 +103,9 @@
 class AccelSensor : public Sensor {
   public:
     AccelSensor(int32_t sensorHandle, ISensorsEventCallback* callback);
+
+  protected:
+    virtual void readEventPayload(EventPayload& payload) override;
 };
 
 class GyroSensor : public Sensor {
@@ -116,6 +121,9 @@
 class PressureSensor : public Sensor {
   public:
     PressureSensor(int32_t sensorHandle, ISensorsEventCallback* callback);
+
+  protected:
+    virtual void readEventPayload(EventPayload& payload) override;
 };
 
 class MagnetometerSensor : public Sensor {