diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 6576ffd..c407f48 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -170,6 +170,7 @@
 #define ALT_PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops-0"
 #define BLK_DEV_SYS_DIR "/sys/block"
 
+#define AFLAGS "/system/bin/aflags"
 #define RECOVERY_DIR "/cache/recovery"
 #define RECOVERY_DATA_DIR "/data/misc/recovery"
 #define UPDATE_ENGINE_LOG_DIR "/data/misc/update_engine_log"
@@ -1785,6 +1786,10 @@
 
     RunCommand("ACONFIG FLAGS", {PRINT_FLAGS},
                CommandOptions::WithTimeout(10).Always().DropRoot().Build());
+    RunCommand("ACONFIG FLAGS DUMP", {AFLAGS, "list"},
+               CommandOptions::WithTimeout(10).Always().AsRootIfAvailable().Build());
+    RunCommand("WHICH ACONFIG FLAG STORAGE", {AFLAGS, "which-backing"},
+               CommandOptions::WithTimeout(10).Always().AsRootIfAvailable().Build());
 
     RunCommand("STORAGED IO INFO", {"storaged", "-u", "-p"});
 
diff --git a/libs/binder/BackendUnifiedServiceManager.cpp b/libs/binder/BackendUnifiedServiceManager.cpp
index 5680798..52b485a 100644
--- a/libs/binder/BackendUnifiedServiceManager.cpp
+++ b/libs/binder/BackendUnifiedServiceManager.cpp
@@ -34,37 +34,47 @@
 using IAccessor = android::os::IAccessor;
 
 static const char* kStaticCachableList[] = {
+        // go/keep-sorted start
+        "accessibility",
+        "account",
         "activity",
-        "android.hardware.thermal.IThermal/default",
-        "android.hardware.power.IPower/default",
-        "android.frameworks.stats.IStats/default",
-        "android.system.suspend.ISystemSuspend/default",
+        "alarm",
+        "android.system.keystore2.IKeystoreService/default",
         "appops",
         "audio",
         "batterystats",
         "carrier_config",
         "connectivity",
+        "content",
         "content_capture",
         "device_policy",
         "display",
         "dropbox",
         "econtroller",
+        "graphicsstats",
+        "input",
+        "input_method",
         "isub",
+        "jobscheduler",
         "legacy_permission",
         "location",
         "media.extractor",
         "media.metrics",
         "media.player",
         "media.resource_manager",
+        "media_resource_monitor",
+        "mount",
         "netd_listener",
         "netstats",
         "network_management",
         "nfc",
+        "notification",
+        "package",
         "package_native",
         "performance_hint",
         "permission",
-        "permissionmgr",
         "permission_checker",
+        "permissionmgr",
         "phone",
         "platform_compat",
         "power",
@@ -76,9 +86,12 @@
         "time_detector",
         "trust",
         "uimode",
+        "user",
         "virtualdevice",
         "virtualdevice_native",
         "webviewupdate",
+        "window",
+        // go/keep-sorted end
 };
 
 bool BinderCacheWithInvalidation::isClientSideCachingEnabled(const std::string& serviceName) {
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index 88761d7..77b80ef 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -157,12 +157,21 @@
 
 class AccessorProvider {
 public:
-    AccessorProvider(RpcAccessorProvider&& provider) : mProvider(std::move(provider)) {}
-    sp<IBinder> provide(const String16& name) { return mProvider(name); }
+    AccessorProvider(std::set<std::string>&& instances, RpcAccessorProvider&& provider)
+          : mInstances(std::move(instances)), mProvider(std::move(provider)) {}
+    sp<IBinder> provide(const String16& name) {
+        if (mInstances.count(String8(name).c_str()) > 0) {
+            return mProvider(name);
+        } else {
+            return nullptr;
+        }
+    }
+    const std::set<std::string>& instances() { return mInstances; }
 
 private:
     AccessorProvider() = delete;
 
+    std::set<std::string> mInstances;
     RpcAccessorProvider mProvider;
 };
 
@@ -318,10 +327,32 @@
     return sp<CppBackendShim>::make(sp<BackendUnifiedServiceManager>::make(sm));
 }
 
-std::weak_ptr<AccessorProvider> addAccessorProvider(RpcAccessorProvider&& providerCallback) {
+// gAccessorProvidersMutex must be locked already
+static bool isInstanceProvidedLocked(const std::string& instance) {
+    return gAccessorProviders.end() !=
+            std::find_if(gAccessorProviders.begin(), gAccessorProviders.end(),
+                         [&instance](const AccessorProviderEntry& entry) {
+                             return entry.mProvider->instances().count(instance) > 0;
+                         });
+}
+
+std::weak_ptr<AccessorProvider> addAccessorProvider(std::set<std::string>&& instances,
+                                                    RpcAccessorProvider&& providerCallback) {
+    if (instances.empty()) {
+        ALOGE("Set of instances is empty! Need a non empty set of instances to provide for.");
+        return std::weak_ptr<AccessorProvider>();
+    }
     std::lock_guard<std::mutex> lock(gAccessorProvidersMutex);
+    for (const auto& instance : instances) {
+        if (isInstanceProvidedLocked(instance)) {
+            ALOGE("The instance %s is already provided for by a previously added "
+                  "RpcAccessorProvider.",
+                  instance.c_str());
+            return std::weak_ptr<AccessorProvider>();
+        }
+    }
     std::shared_ptr<AccessorProvider> provider =
-            std::make_shared<AccessorProvider>(std::move(providerCallback));
+            std::make_shared<AccessorProvider>(std::move(instances), std::move(providerCallback));
     std::weak_ptr<AccessorProvider> receipt = provider;
     gAccessorProviders.push_back(AccessorProviderEntry(std::move(provider)));
 
@@ -331,8 +362,9 @@
 status_t removeAccessorProvider(std::weak_ptr<AccessorProvider> wProvider) {
     std::shared_ptr<AccessorProvider> provider = wProvider.lock();
     if (provider == nullptr) {
-        ALOGE("The provider supplied to removeAccessorProvider has already been removed.");
-        return NAME_NOT_FOUND;
+        ALOGE("The provider supplied to removeAccessorProvider has already been removed or the "
+              "argument to this function was nullptr.");
+        return BAD_VALUE;
     }
     std::lock_guard<std::mutex> lock(gAccessorProvidersMutex);
     size_t sizeBefore = gAccessorProviders.size();
diff --git a/libs/binder/include/binder/IServiceManager.h b/libs/binder/include/binder/IServiceManager.h
index 879f319..2b23276 100644
--- a/libs/binder/include/binder/IServiceManager.h
+++ b/libs/binder/include/binder/IServiceManager.h
@@ -24,6 +24,7 @@
 #include <utils/String16.h>
 #include <utils/Vector.h>
 #include <optional>
+#include <set>
 
 namespace android {
 
@@ -224,20 +225,36 @@
 typedef std::function<status_t(const String16& name, sockaddr* outAddr, socklen_t addrSize)>
         RpcSocketAddressProvider;
 
-typedef std::function<sp<IBinder>(const String16& name)> RpcAccessorProvider;
+/**
+ * This callback provides a way for clients to get access to remote services by
+ * providing an Accessor object from libbinder that can connect to the remote
+ * service over sockets.
+ *
+ * \param instance name of the service that the callback will provide an
+ *        Accessor for. The provided accessor will be used to set up a client
+ *        RPC connection in libbinder in order to return a binder for the
+ *        associated remote service.
+ *
+ * \return IBinder of the Accessor object that libbinder implements.
+ *         nullptr if the provider callback doesn't know how to reach the
+ *         service or doesn't want to provide access for any other reason.
+ */
+typedef std::function<sp<IBinder>(const String16& instance)> RpcAccessorProvider;
 
 class AccessorProvider;
 
 /**
- * Register an accessor provider for the service manager APIs.
+ * Register a RpcAccessorProvider for the service manager APIs.
  *
+ * \param instances that the RpcAccessorProvider knows about and can provide an
+ *        Accessor for.
  * \param provider callback that generates Accessors.
  *
  * \return A pointer used as a recept for the successful addition of the
  *         AccessorProvider. This is needed to unregister it later.
  */
 [[nodiscard]] LIBBINDER_EXPORTED std::weak_ptr<AccessorProvider> addAccessorProvider(
-        RpcAccessorProvider&& providerCallback);
+        std::set<std::string>&& instances, RpcAccessorProvider&& providerCallback);
 
 /**
  * Remove an accessor provider using the pointer provided by addAccessorProvider
diff --git a/libs/binder/ndk/Android.bp b/libs/binder/ndk/Android.bp
index 5f45cb2..a7423b3 100644
--- a/libs/binder/ndk/Android.bp
+++ b/libs/binder/ndk/Android.bp
@@ -95,6 +95,7 @@
         "persistable_bundle.cpp",
         "process.cpp",
         "service_manager.cpp",
+        "binder_rpc.cpp",
     ],
 
     static_libs: [
diff --git a/libs/binder/ndk/binder_rpc.cpp b/libs/binder/ndk/binder_rpc.cpp
new file mode 100644
index 0000000..2cc5f81
--- /dev/null
+++ b/libs/binder/ndk/binder_rpc.cpp
@@ -0,0 +1,352 @@
+/*
+ * Copyright (C) 2024 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 <android/binder_rpc.h>
+#include <arpa/inet.h>
+#include <binder/IServiceManager.h>
+#include <linux/vm_sockets.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <variant>
+
+#include "ibinder_internal.h"
+#include "status_internal.h"
+
+using ::android::defaultServiceManager;
+using ::android::IBinder;
+using ::android::IServiceManager;
+using ::android::OK;
+using ::android::sp;
+using ::android::status_t;
+using ::android::String16;
+using ::android::String8;
+using ::android::binder::Status;
+
+#define LOG_ACCESSOR_DEBUG(...)
+// #define LOG_ACCESSOR_DEBUG(...) ALOGW(__VA_ARGS__)
+
+struct ABinderRpc_ConnectionInfo {
+    std::variant<sockaddr_vm, sockaddr_un, sockaddr_in> addr;
+};
+
+struct ABinderRpc_Accessor final : public ::android::RefBase {
+    static ABinderRpc_Accessor* make(const char* instance, const sp<IBinder>& binder) {
+        LOG_ALWAYS_FATAL_IF(binder == nullptr, "ABinderRpc_Accessor requires a non-null binder");
+        status_t status = android::validateAccessor(String16(instance), binder);
+        if (status != OK) {
+            ALOGE("The given binder is not a valid IAccessor for %s. Status: %s", instance,
+                  android::statusToString(status).c_str());
+            return nullptr;
+        }
+        return new ABinderRpc_Accessor(binder);
+    }
+
+    sp<IBinder> asBinder() { return mAccessorBinder; }
+
+    ~ABinderRpc_Accessor() { LOG_ACCESSOR_DEBUG("ABinderRpc_Accessor dtor"); }
+
+   private:
+    ABinderRpc_Accessor(sp<IBinder> accessor) : mAccessorBinder(accessor) {}
+    ABinderRpc_Accessor() = delete;
+    sp<IBinder> mAccessorBinder;
+};
+
+struct ABinderRpc_AccessorProvider {
+   public:
+    static ABinderRpc_AccessorProvider* make(std::weak_ptr<android::AccessorProvider> cookie) {
+        if (cookie.expired()) {
+            ALOGE("Null AccessorProvider cookie from libbinder");
+            return nullptr;
+        }
+        return new ABinderRpc_AccessorProvider(cookie);
+    }
+    std::weak_ptr<android::AccessorProvider> mProviderCookie;
+
+   private:
+    ABinderRpc_AccessorProvider() = delete;
+
+    ABinderRpc_AccessorProvider(std::weak_ptr<android::AccessorProvider> provider)
+        : mProviderCookie(provider) {}
+};
+
+struct OnDeleteProviderHolder {
+    OnDeleteProviderHolder(void* data, ABinderRpc_AccessorProviderUserData_deleteCallback onDelete)
+        : mData(data), mOnDelete(onDelete) {}
+    ~OnDeleteProviderHolder() {
+        if (mOnDelete) {
+            mOnDelete(mData);
+        }
+    }
+    void* mData;
+    ABinderRpc_AccessorProviderUserData_deleteCallback mOnDelete;
+    // needs to be copyable for std::function, but we will never copy it
+    OnDeleteProviderHolder(const OnDeleteProviderHolder&) {
+        LOG_ALWAYS_FATAL("This object can't be copied!");
+    }
+
+   private:
+    OnDeleteProviderHolder() = delete;
+};
+
+ABinderRpc_AccessorProvider* ABinderRpc_registerAccessorProvider(
+        ABinderRpc_AccessorProvider_getAccessorCallback provider, const char** instances,
+        size_t numInstances, void* data,
+        ABinderRpc_AccessorProviderUserData_deleteCallback onDelete) {
+    if (provider == nullptr) {
+        ALOGE("Null provider passed to ABinderRpc_registerAccessorProvider");
+        return nullptr;
+    }
+    if (data && onDelete == nullptr) {
+        ALOGE("If a non-null data ptr is passed to ABinderRpc_registerAccessorProvider, then a "
+              "ABinderRpc_AccessorProviderUserData_deleteCallback must alse be passed to delete "
+              "the data object once the ABinderRpc_AccessorProvider is removed.");
+        return nullptr;
+    }
+    if (numInstances == 0 || instances == nullptr) {
+        ALOGE("No instances passed to ABinderRpc_registerAccessorProvider. numInstances: %zu",
+              numInstances);
+        return nullptr;
+    }
+    std::set<std::string> instanceStrings;
+    for (size_t i = 0; i < numInstances; i++) {
+        instanceStrings.emplace(instances[i]);
+    }
+    // call the onDelete when the last reference of this goes away (when the
+    // last reference to the generate std::function goes away).
+    std::shared_ptr<OnDeleteProviderHolder> onDeleteHolder =
+            std::make_shared<OnDeleteProviderHolder>(data, onDelete);
+    android::RpcAccessorProvider generate = [provider,
+                                             onDeleteHolder](const String16& name) -> sp<IBinder> {
+        ABinderRpc_Accessor* accessor = provider(String8(name).c_str(), onDeleteHolder->mData);
+        if (accessor == nullptr) {
+            ALOGE("The supplied ABinderRpc_AccessorProvider_getAccessorCallback returned nullptr");
+            return nullptr;
+        }
+        sp<IBinder> binder = accessor->asBinder();
+        ABinderRpc_Accessor_delete(accessor);
+        return binder;
+    };
+
+    std::weak_ptr<android::AccessorProvider> cookie =
+            android::addAccessorProvider(std::move(instanceStrings), std::move(generate));
+    return ABinderRpc_AccessorProvider::make(cookie);
+}
+
+void ABinderRpc_unregisterAccessorProvider(ABinderRpc_AccessorProvider* provider) {
+    if (provider == nullptr) {
+        LOG_ALWAYS_FATAL("Attempting to remove a null ABinderRpc_AccessorProvider");
+    }
+
+    status_t status = android::removeAccessorProvider(provider->mProviderCookie);
+    // There shouldn't be a way to get here because the caller won't have a
+    // ABinderRpc_AccessorProvider* without calling ABinderRpc_registerAccessorProvider
+    LOG_ALWAYS_FATAL_IF(status == android::BAD_VALUE, "Provider (%p) is not valid. Status: %s",
+                        provider, android::statusToString(status).c_str());
+    LOG_ALWAYS_FATAL_IF(status == android::NAME_NOT_FOUND,
+                        "Provider (%p) was already unregistered. Status: %s", provider,
+                        android::statusToString(status).c_str());
+    LOG_ALWAYS_FATAL_IF(status != OK,
+                        "Unknown error when attempting to unregister ABinderRpc_AccessorProvider "
+                        "(%p). Status: %s",
+                        provider, android::statusToString(status).c_str());
+
+    delete provider;
+}
+
+struct OnDeleteConnectionInfoHolder {
+    OnDeleteConnectionInfoHolder(void* data,
+                                 ABinderRpc_ConnectionInfoProviderUserData_delete onDelete)
+        : mData(data), mOnDelete(onDelete) {}
+    ~OnDeleteConnectionInfoHolder() {
+        if (mOnDelete) {
+            mOnDelete(mData);
+        }
+    }
+    void* mData;
+    ABinderRpc_ConnectionInfoProviderUserData_delete mOnDelete;
+    // needs to be copyable for std::function, but we will never copy it
+    OnDeleteConnectionInfoHolder(const OnDeleteConnectionInfoHolder&) {
+        LOG_ALWAYS_FATAL("This object can't be copied!");
+    }
+
+   private:
+    OnDeleteConnectionInfoHolder() = delete;
+};
+
+ABinderRpc_Accessor* ABinderRpc_Accessor_new(
+        const char* instance, ABinderRpc_ConnectionInfoProvider provider, void* data,
+        ABinderRpc_ConnectionInfoProviderUserData_delete onDelete) {
+    if (instance == nullptr) {
+        ALOGE("Instance argument must be valid when calling ABinderRpc_Accessor_new");
+        return nullptr;
+    }
+    if (data && onDelete == nullptr) {
+        ALOGE("If a non-null data ptr is passed to ABinderRpc_Accessor_new, then a "
+              "ABinderRpc_ConnectionInfoProviderUserData_delete callback must alse be passed to "
+              "delete "
+              "the data object once the ABinderRpc_Accessor is deleted.");
+        return nullptr;
+    }
+    std::shared_ptr<OnDeleteConnectionInfoHolder> onDeleteHolder =
+            std::make_shared<OnDeleteConnectionInfoHolder>(data, onDelete);
+    if (provider == nullptr) {
+        ALOGE("Can't create a new ABinderRpc_Accessor without a ABinderRpc_ConnectionInfoProvider "
+              "and it is "
+              "null");
+        return nullptr;
+    }
+    android::RpcSocketAddressProvider generate = [provider, onDeleteHolder](
+                                                         const String16& name, sockaddr* outAddr,
+                                                         size_t addrLen) -> status_t {
+        std::unique_ptr<ABinderRpc_ConnectionInfo> info(
+                provider(String8(name).c_str(), onDeleteHolder->mData));
+        if (info == nullptr) {
+            ALOGE("The supplied ABinderRpc_ConnectionInfoProvider returned nullptr");
+            return android::NAME_NOT_FOUND;
+        }
+        if (auto addr = std::get_if<sockaddr_vm>(&info->addr)) {
+            LOG_ALWAYS_FATAL_IF(addr->svm_family != AF_VSOCK,
+                                "ABinderRpc_ConnectionInfo invalid family");
+            if (addrLen < sizeof(sockaddr_vm)) {
+                ALOGE("Provided outAddr is too small! Expecting %zu, got %zu", sizeof(sockaddr_vm),
+                      addrLen);
+                return android::BAD_VALUE;
+            }
+            LOG_ACCESSOR_DEBUG(
+                    "Connection info provider found AF_VSOCK. family %d, port %d, cid %d",
+                    addr->svm_family, addr->svm_port, addr->svm_cid);
+            *reinterpret_cast<sockaddr_vm*>(outAddr) = *addr;
+        } else if (auto addr = std::get_if<sockaddr_un>(&info->addr)) {
+            LOG_ALWAYS_FATAL_IF(addr->sun_family != AF_UNIX,
+                                "ABinderRpc_ConnectionInfo invalid family");
+            if (addrLen < sizeof(sockaddr_un)) {
+                ALOGE("Provided outAddr is too small! Expecting %zu, got %zu", sizeof(sockaddr_un),
+                      addrLen);
+                return android::BAD_VALUE;
+            }
+            *reinterpret_cast<sockaddr_un*>(outAddr) = *addr;
+        } else if (auto addr = std::get_if<sockaddr_in>(&info->addr)) {
+            LOG_ALWAYS_FATAL_IF(addr->sin_family != AF_INET,
+                                "ABinderRpc_ConnectionInfo invalid family");
+            if (addrLen < sizeof(sockaddr_in)) {
+                ALOGE("Provided outAddr is too small! Expecting %zu, got %zu", sizeof(sockaddr_in),
+                      addrLen);
+                return android::BAD_VALUE;
+            }
+            *reinterpret_cast<sockaddr_in*>(outAddr) = *addr;
+        } else {
+            LOG_ALWAYS_FATAL(
+                    "Unsupported address family type when trying to get ARpcConnection info. A "
+                    "new variant was added to the ABinderRpc_ConnectionInfo and this needs to be "
+                    "updated.");
+        }
+        return OK;
+    };
+    sp<IBinder> accessorBinder = android::createAccessor(String16(instance), std::move(generate));
+    if (accessorBinder == nullptr) {
+        ALOGE("service manager did not get us an accessor");
+        return nullptr;
+    }
+    LOG_ACCESSOR_DEBUG("service manager found an accessor, so returning one now from _new");
+    return ABinderRpc_Accessor::make(instance, accessorBinder);
+}
+
+void ABinderRpc_Accessor_delete(ABinderRpc_Accessor* accessor) {
+    delete accessor;
+}
+
+AIBinder* ABinderRpc_Accessor_asBinder(ABinderRpc_Accessor* accessor) {
+    if (!accessor) {
+        ALOGE("ABinderRpc_Accessor argument is null.");
+        return nullptr;
+    }
+
+    sp<IBinder> binder = accessor->asBinder();
+    sp<AIBinder> aBinder = ABpBinder::lookupOrCreateFromBinder(binder);
+    AIBinder* ptr = aBinder.get();
+    if (ptr == nullptr) {
+        LOG_ALWAYS_FATAL("Failed to lookupOrCreateFromBinder");
+    }
+    ptr->incStrong(nullptr);
+    return ptr;
+}
+
+ABinderRpc_Accessor* ABinderRpc_Accessor_fromBinder(const char* instance, AIBinder* binder) {
+    if (!binder) {
+        ALOGE("binder argument is null");
+        return nullptr;
+    }
+    sp<IBinder> accessorBinder = binder->getBinder();
+    if (accessorBinder) {
+        return ABinderRpc_Accessor::make(instance, accessorBinder);
+    } else {
+        ALOGE("Attempting to get an ABinderRpc_Accessor for %s but AIBinder::getBinder returned "
+              "null",
+              instance);
+        return nullptr;
+    }
+}
+
+ABinderRpc_ConnectionInfo* ABinderRpc_ConnectionInfo_new(const sockaddr* addr, socklen_t len) {
+    if (addr == nullptr || len < 0 || static_cast<size_t>(len) < sizeof(sa_family_t)) {
+        ALOGE("Invalid arguments in Arpc_Connection_new");
+        return nullptr;
+    }
+    // socklen_t was int32_t on 32-bit and uint32_t on 64 bit.
+    size_t socklen = len < 0 || static_cast<uintmax_t>(len) > SIZE_MAX ? 0 : len;
+
+    if (addr->sa_family == AF_VSOCK) {
+        if (len != sizeof(sockaddr_vm)) {
+            ALOGE("Incorrect size of %zu for AF_VSOCK sockaddr_vm. Expecting %zu", socklen,
+                  sizeof(sockaddr_vm));
+            return nullptr;
+        }
+        sockaddr_vm vm = *reinterpret_cast<const sockaddr_vm*>(addr);
+        LOG_ACCESSOR_DEBUG("Arpc_ConnectionInfo_new found AF_VSOCK. family %d, port %d, cid %d",
+                           vm.svm_family, vm.svm_port, vm.svm_cid);
+        return new ABinderRpc_ConnectionInfo(vm);
+    } else if (addr->sa_family == AF_UNIX) {
+        if (len != sizeof(sockaddr_un)) {
+            ALOGE("Incorrect size of %zu for AF_UNIX sockaddr_un. Expecting %zu", socklen,
+                  sizeof(sockaddr_un));
+            return nullptr;
+        }
+        sockaddr_un un = *reinterpret_cast<const sockaddr_un*>(addr);
+        LOG_ACCESSOR_DEBUG("Arpc_ConnectionInfo_new found AF_UNIX. family %d, path %s",
+                           un.sun_family, un.sun_path);
+        return new ABinderRpc_ConnectionInfo(un);
+    } else if (addr->sa_family == AF_INET) {
+        if (len != sizeof(sockaddr_in)) {
+            ALOGE("Incorrect size of %zu for AF_INET sockaddr_in. Expecting %zu", socklen,
+                  sizeof(sockaddr_in));
+            return nullptr;
+        }
+        sockaddr_in in = *reinterpret_cast<const sockaddr_in*>(addr);
+        LOG_ACCESSOR_DEBUG("Arpc_ConnectionInfo_new found AF_INET. family %d, address %s, port %d",
+                           in.sin_family, inet_ntoa(in.sin_addr), ntohs(in.sin_port));
+        return new ABinderRpc_ConnectionInfo(in);
+    }
+
+    ALOGE("ARpc APIs only support AF_VSOCK right now but the supplied sockadder::sa_family is: %hu",
+          addr->sa_family);
+    return nullptr;
+}
+
+void ABinderRpc_ConnectionInfo_delete(ABinderRpc_ConnectionInfo* info) {
+    delete info;
+}
diff --git a/libs/binder/ndk/include_ndk/android/persistable_bundle.h b/libs/binder/ndk/include_ndk/android/persistable_bundle.h
index 5e0d4da..1d516ae 100644
--- a/libs/binder/ndk/include_ndk/android/persistable_bundle.h
+++ b/libs/binder/ndk/include_ndk/android/persistable_bundle.h
@@ -17,13 +17,6 @@
 #pragma once
 
 #include <android/binder_parcel.h>
-#if defined(__ANDROID_VENDOR__)
-#include <android/llndk-versioning.h>
-#else
-#if !defined(__INTRODUCED_IN_LLNDK)
-#define __INTRODUCED_IN_LLNDK(level) __attribute__((annotate("introduced_in_llndk=" #level)))
-#endif
-#endif  // __ANDROID_VENDOR__
 #include <stdbool.h>
 #include <stdint.h>
 #include <sys/cdefs.h>
@@ -83,8 +76,7 @@
  *
  * \return Pointer to a new APersistableBundle
  */
-APersistableBundle* _Nullable APersistableBundle_new() __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+APersistableBundle* _Nullable APersistableBundle_new() __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Create a new APersistableBundle based off an existing APersistableBundle.
@@ -98,7 +90,7 @@
  * \return Pointer to a new APersistableBundle
  */
 APersistableBundle* _Nullable APersistableBundle_dup(const APersistableBundle* _Nonnull pBundle)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Delete an APersistableBundle. This must always be called when finished using
@@ -109,7 +101,7 @@
  * Available since API level 202404.
  */
 void APersistableBundle_delete(APersistableBundle* _Nullable pBundle)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Check for equality of APersistableBundles.
@@ -123,7 +115,7 @@
  */
 bool APersistableBundle_isEqual(const APersistableBundle* _Nonnull lhs,
                                 const APersistableBundle* _Nonnull rhs)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Read an APersistableBundle from an AParcel.
@@ -142,7 +134,7 @@
  */
 binder_status_t APersistableBundle_readFromParcel(
         const AParcel* _Nonnull parcel, APersistableBundle* _Nullable* _Nonnull outPBundle)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Write an APersistableBundle to an AParcel.
@@ -162,7 +154,7 @@
  */
 binder_status_t APersistableBundle_writeToParcel(const APersistableBundle* _Nonnull pBundle,
                                                  AParcel* _Nonnull parcel)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get the size of an APersistableBundle. This is the number of mappings in the
@@ -175,7 +167,7 @@
  * \return number of mappings in the object
  */
 int32_t APersistableBundle_size(const APersistableBundle* _Nonnull pBundle)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Erase any entries added with the provided key.
@@ -188,7 +180,7 @@
  * \return number of entries erased. Either 0 or 1.
  */
 int32_t APersistableBundle_erase(APersistableBundle* _Nonnull pBundle, const char* _Nonnull key)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put a boolean associated with the provided key.
@@ -201,8 +193,7 @@
  * Available since API level 202404.
  */
 void APersistableBundle_putBoolean(APersistableBundle* _Nonnull pBundle, const char* _Nonnull key,
-                                   bool val) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                   bool val) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put an int32_t associated with the provided key.
@@ -215,8 +206,7 @@
  * Available since API level 202404.
  */
 void APersistableBundle_putInt(APersistableBundle* _Nonnull pBundle, const char* _Nonnull key,
-                               int32_t val) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                               int32_t val) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put an int64_t associated with the provided key.
@@ -229,8 +219,7 @@
  * Available since API level 202404.
  */
 void APersistableBundle_putLong(APersistableBundle* _Nonnull pBundle, const char* _Nonnull key,
-                                int64_t val) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                int64_t val) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put a double associated with the provided key.
@@ -243,8 +232,7 @@
  * Available since API level 202404.
  */
 void APersistableBundle_putDouble(APersistableBundle* _Nonnull pBundle, const char* _Nonnull key,
-                                  double val) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                  double val) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put a string associated with the provided key.
@@ -258,8 +246,7 @@
  * Available since API level 202404.
  */
 void APersistableBundle_putString(APersistableBundle* _Nonnull pBundle, const char* _Nonnull key,
-                                  const char* _Nonnull val) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                  const char* _Nonnull val) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put a boolean vector associated with the provided key.
@@ -275,8 +262,7 @@
  */
 void APersistableBundle_putBooleanVector(APersistableBundle* _Nonnull pBundle,
                                          const char* _Nonnull key, const bool* _Nonnull vec,
-                                         int32_t num) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                         int32_t num) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put an int32_t vector associated with the provided key.
@@ -292,7 +278,7 @@
  */
 void APersistableBundle_putIntVector(APersistableBundle* _Nonnull pBundle, const char* _Nonnull key,
                                      const int32_t* _Nonnull vec, int32_t num)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put an int64_t vector associated with the provided key.
@@ -308,8 +294,7 @@
  */
 void APersistableBundle_putLongVector(APersistableBundle* _Nonnull pBundle,
                                       const char* _Nonnull key, const int64_t* _Nonnull vec,
-                                      int32_t num) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                      int32_t num) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put a double vector associated with the provided key.
@@ -325,8 +310,7 @@
  */
 void APersistableBundle_putDoubleVector(APersistableBundle* _Nonnull pBundle,
                                         const char* _Nonnull key, const double* _Nonnull vec,
-                                        int32_t num) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                        int32_t num) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put a string vector associated with the provided key.
@@ -343,7 +327,7 @@
 void APersistableBundle_putStringVector(APersistableBundle* _Nonnull pBundle,
                                         const char* _Nonnull key,
                                         const char* _Nullable const* _Nullable vec, int32_t num)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Put an APersistableBundle associated with the provided key.
@@ -359,7 +343,7 @@
 void APersistableBundle_putPersistableBundle(APersistableBundle* _Nonnull pBundle,
                                              const char* _Nonnull key,
                                              const APersistableBundle* _Nonnull val)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get a boolean associated with the provided key.
@@ -374,7 +358,7 @@
  */
 bool APersistableBundle_getBoolean(const APersistableBundle* _Nonnull pBundle,
                                    const char* _Nonnull key, bool* _Nonnull val)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get an int32_t associated with the provided key.
@@ -388,8 +372,7 @@
  * \return true if a value exists for the provided key
  */
 bool APersistableBundle_getInt(const APersistableBundle* _Nonnull pBundle, const char* _Nonnull key,
-                               int32_t* _Nonnull val) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                               int32_t* _Nonnull val) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get an int64_t associated with the provided key.
@@ -404,7 +387,7 @@
  */
 bool APersistableBundle_getLong(const APersistableBundle* _Nonnull pBundle,
                                 const char* _Nonnull key, int64_t* _Nonnull val)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get a double associated with the provided key.
@@ -419,7 +402,7 @@
  */
 bool APersistableBundle_getDouble(const APersistableBundle* _Nonnull pBundle,
                                   const char* _Nonnull key, double* _Nonnull val)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get a string associated with the provided key.
@@ -440,8 +423,7 @@
 int32_t APersistableBundle_getString(const APersistableBundle* _Nonnull pBundle,
                                      const char* _Nonnull key, char* _Nullable* _Nonnull val,
                                      APersistableBundle_stringAllocator stringAllocator,
-                                     void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                     void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get a boolean vector associated with the provided key and place it in the
@@ -468,7 +450,7 @@
 int32_t APersistableBundle_getBooleanVector(const APersistableBundle* _Nonnull pBundle,
                                             const char* _Nonnull key, bool* _Nullable buffer,
                                             int32_t bufferSizeBytes)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get an int32_t vector associated with the provided key and place it in the
@@ -494,8 +476,7 @@
  */
 int32_t APersistableBundle_getIntVector(const APersistableBundle* _Nonnull pBundle,
                                         const char* _Nonnull key, int32_t* _Nullable buffer,
-                                        int32_t bufferSizeBytes) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                        int32_t bufferSizeBytes) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get an int64_t vector associated with the provided key and place it in the
@@ -521,8 +502,8 @@
  */
 int32_t APersistableBundle_getLongVector(const APersistableBundle* _Nonnull pBundle,
                                          const char* _Nonnull key, int64_t* _Nullable buffer,
-                                         int32_t bufferSizeBytes) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                         int32_t bufferSizeBytes)
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get a double vector associated with the provided key and place it in the
@@ -549,7 +530,7 @@
 int32_t APersistableBundle_getDoubleVector(const APersistableBundle* _Nonnull pBundle,
                                            const char* _Nonnull key, double* _Nullable buffer,
                                            int32_t bufferSizeBytes)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get a string vector associated with the provided key and place it in the
@@ -586,7 +567,7 @@
                                            int32_t bufferSizeBytes,
                                            APersistableBundle_stringAllocator stringAllocator,
                                            void* _Nullable context)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get an APersistableBundle* associated with the provided key.
@@ -605,7 +586,7 @@
 bool APersistableBundle_getPersistableBundle(const APersistableBundle* _Nonnull pBundle,
                                              const char* _Nonnull key,
                                              APersistableBundle* _Nullable* _Nonnull outBundle)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -638,7 +619,7 @@
                                           int32_t bufferSizeBytes,
                                           APersistableBundle_stringAllocator stringAllocator,
                                           void* _Nullable context)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -669,8 +650,7 @@
 int32_t APersistableBundle_getIntKeys(const APersistableBundle* _Nonnull pBundle,
                                       char* _Nullable* _Nullable outKeys, int32_t bufferSizeBytes,
                                       APersistableBundle_stringAllocator stringAllocator,
-                                      void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                      void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -701,8 +681,7 @@
 int32_t APersistableBundle_getLongKeys(const APersistableBundle* _Nonnull pBundle,
                                        char* _Nullable* _Nullable outKeys, int32_t bufferSizeBytes,
                                        APersistableBundle_stringAllocator stringAllocator,
-                                       void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                       void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -734,8 +713,8 @@
                                          char* _Nullable* _Nullable outKeys,
                                          int32_t bufferSizeBytes,
                                          APersistableBundle_stringAllocator stringAllocator,
-                                         void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                         void* _Nullable context)
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -767,8 +746,8 @@
                                          char* _Nullable* _Nullable outKeys,
                                          int32_t bufferSizeBytes,
                                          APersistableBundle_stringAllocator stringAllocator,
-                                         void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                         void* _Nullable context)
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -801,7 +780,7 @@
                                                 int32_t bufferSizeBytes,
                                                 APersistableBundle_stringAllocator stringAllocator,
                                                 void* _Nullable context)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -834,7 +813,7 @@
                                             int32_t bufferSizeBytes,
                                             APersistableBundle_stringAllocator stringAllocator,
                                             void* _Nullable context)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -867,7 +846,7 @@
                                              int32_t bufferSizeBytes,
                                              APersistableBundle_stringAllocator stringAllocator,
                                              void* _Nullable context)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -899,7 +878,7 @@
                                                int32_t bufferSizeBytes,
                                                APersistableBundle_stringAllocator stringAllocator,
                                                void* _Nullable context)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -932,7 +911,7 @@
                                                int32_t bufferSizeBytes,
                                                APersistableBundle_stringAllocator stringAllocator,
                                                void* _Nullable context)
-        __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Get all of the keys associated with this specific type and place it in the
@@ -963,6 +942,6 @@
 int32_t APersistableBundle_getPersistableBundleKeys(
         const APersistableBundle* _Nonnull pBundle, char* _Nullable* _Nullable outKeys,
         int32_t bufferSizeBytes, APersistableBundle_stringAllocator stringAllocator,
-        void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__) __INTRODUCED_IN_LLNDK(202404);
+        void* _Nullable context) __INTRODUCED_IN(__ANDROID_API_V__);
 
 __END_DECLS
diff --git a/libs/binder/ndk/include_platform/android/binder_manager.h b/libs/binder/ndk/include_platform/android/binder_manager.h
index 41b30a0..cc4943b 100644
--- a/libs/binder/ndk/include_platform/android/binder_manager.h
+++ b/libs/binder/ndk/include_platform/android/binder_manager.h
@@ -18,7 +18,6 @@
 
 #include <android/binder_ibinder.h>
 #include <android/binder_status.h>
-#include <android/llndk-versioning.h>
 #include <sys/cdefs.h>
 
 __BEGIN_DECLS
@@ -257,8 +256,7 @@
  * \return the result of dlopen of the specified HAL
  */
 void* AServiceManager_openDeclaredPassthroughHal(const char* interface, const char* instance,
-                                                 int flag) __INTRODUCED_IN(__ANDROID_API_V__)
-        __INTRODUCED_IN_LLNDK(202404);
+                                                 int flag) __INTRODUCED_IN(__ANDROID_API_V__);
 
 /**
  * Prevent lazy services without client from shutting down their process
diff --git a/libs/binder/ndk/include_platform/android/binder_rpc.h b/libs/binder/ndk/include_platform/android/binder_rpc.h
new file mode 100644
index 0000000..4c5471f
--- /dev/null
+++ b/libs/binder/ndk/include_platform/android/binder_rpc.h
@@ -0,0 +1,261 @@
+/*
+ * Copyright (C) 2024 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/binder_ibinder.h>
+#include <sys/socket.h>
+
+__BEGIN_DECLS
+
+/**
+ * This represents an IAccessor implementation from libbinder that is
+ * responsible for providing a pre-connected socket file descriptor for a
+ * specific service. The service is an RpcServer and the pre-connected socket is
+ * used to set up a client RpcSession underneath libbinder's IServiceManager APIs
+ * to provide the client with the service's binder for remote communication.
+ */
+typedef struct ABinderRpc_Accessor ABinderRpc_Accessor;
+
+/**
+ * This represents an object that supplies ABinderRpc_Accessors to libbinder
+ * when they are requested. They are requested any time a client is attempting
+ * to get a service through IServiceManager APIs when the services aren't known by
+ * servicemanager.
+ */
+typedef struct ABinderRpc_AccessorProvider ABinderRpc_AccessorProvider;
+
+/**
+ * This represents information necessary for libbinder to be able to connect to a
+ * remote service.
+ * It supports connecting to linux sockets and is created using sockaddr
+ * types for sockets supported by libbinder like sockaddr_in, sockaddr_un,
+ * sockaddr_vm.
+ */
+typedef struct ABinderRpc_ConnectionInfo ABinderRpc_ConnectionInfo;
+
+/**
+ * These APIs provide a way for clients of binder services to be able to get a
+ * binder object of that service through the existing libbinder/libbinder_ndk
+ * Service Manager APIs when that service is using RPC Binder over sockets
+ * instead kernel binder.
+ *
+ * Some of these APIs are used on Android hosts when kernel binder is supported
+ * and the usual servicemanager process is available. Some of these APIs are
+ * only required when there is no kernel binder or extra servicemanager process
+ * such as the case of microdroid or similar VMs.
+ */
+
+/**
+ * This callback is responsible for returning ABinderRpc_Accessor objects for a given
+ * service instance. These ABinderRpc_Accessor objects are implemented by
+ * libbinder_ndk and backed by implementations of android::os::IAccessor in
+ * libbinder.
+ *
+ * \param instance name of the service like
+ *        `android.hardware.vibrator.IVibrator/default`
+ * \param data the data that was associated with this instance when the callback
+ *        was registered.
+ * \return The ABinderRpc_Accessor associated with the service `instance`. This
+ *        callback gives up ownership of the object once it returns it. The
+ *        caller of this callback (libbinder_ndk) is responsible for deleting it
+ *        with ABinderRpc_Accessor_delete.
+ */
+typedef ABinderRpc_Accessor* _Nullable (*ABinderRpc_AccessorProvider_getAccessorCallback)(
+        const char* _Nonnull instance, void* _Nullable data);
+
+/**
+ * This callback is responsible deleting the `void* data` object that is passed
+ * in to ABinderRpc_registerAccessorProvider for the ABinderRpc_AccessorProvider_getAccessorCallback
+ * to use. That object is owned by the ABinderRpc_AccessorProvider and must remain valid for the
+ * lifetime of the callback because it may be called and use the object.
+ * This _delete callback is called after the ABinderRpc_AccessorProvider is remove and
+ * is guaranteed never to be called again.
+ *
+ * \param data a pointer to data that the ABinderRpc_AccessorProvider_getAccessorCallback uses which
+ * is to be deleted by this call.
+ */
+typedef void (*ABinderRpc_AccessorProviderUserData_deleteCallback)(void* _Nullable data);
+
+/**
+ * Inject an ABinderRpc_AccessorProvider_getAccessorCallback into the process for
+ * the Service Manager APIs to use to retrieve ABinderRpc_Accessor objects associated
+ * with different RPC Binder services.
+ *
+ * \param provider callback that returns ABinderRpc_Accessors for libbinder to set up
+ *        RPC clients with.
+ * \param instances array of instances that are supported by this provider. It
+ *        will only be called if the client is looking for an instance that is
+ *        in this list. These instances must be unique per-process. If an
+ *        instance is being registered that was previously registered, this call
+ *        will fail and the ABinderRpc_AccessorProviderUserData_deleteCallback
+ *        will be called to clean up the data.
+ * \param number of instances in the instances array.
+ * \param data pointer that is passed to the ABinderRpc_AccessorProvider callback.
+ *        IMPORTANT: The ABinderRpc_AccessorProvider now OWNS that object that data
+ *        points to. It can be used as necessary in the callback. The data MUST
+ *        remain valid for the lifetime of the provider callback.
+ *        Do not attempt to give ownership of the same object to different
+ *        providers throguh multiple calls to this function because the first
+ *        one to be deleted will call the onDelete callback.
+ * \param onDelete callback used to delete the objects that `data` points to.
+ *        This is called after ABinderRpc_AccessorProvider is guaranteed to never be
+ *        called again. Before this callback is called, `data` must remain
+ *        valid.
+ * \return nullptr on error if the data pointer is non-null and the onDelete
+ *         callback is null or if an instance in the instances list was previously
+ *         registered. In the error case of duplicate instances, if data was
+ *         provided with a ABinderRpc_AccessorProviderUserData_deleteCallback,
+ *         the callback will be called to delete the data.
+ *         Otherwise returns a pointer to the ABinderRpc_AccessorProvider that
+ *         can be used to remove with ABinderRpc_unregisterAccessorProvider.
+ */
+ABinderRpc_AccessorProvider* _Nullable ABinderRpc_registerAccessorProvider(
+        ABinderRpc_AccessorProvider_getAccessorCallback _Nonnull provider,
+        const char* _Nullable* _Nonnull instances, size_t numInstances, void* _Nullable data,
+        ABinderRpc_AccessorProviderUserData_deleteCallback _Nullable onDelete) __INTRODUCED_IN(36);
+
+/**
+ * Remove an ABinderRpc_AccessorProvider from libbinder. This will remove references
+ *        from the ABinderRpc_AccessorProvider and will no longer call the
+ *        ABinderRpc_AccessorProvider_getAccessorCallback.
+ *
+ * Note: The `data` object that was used when adding the accessor will be
+ *       deleted by the ABinderRpc_AccessorProviderUserData_deleteCallback at some
+ *       point after this call. Do not use the object and do not try to delete
+ *       it through any other means.
+ * Note: This will abort when used incorrectly if this provider was never
+ *       registered or if it were already unregistered.
+ *
+ * \param provider to be removed and deleted
+ *
+ */
+void ABinderRpc_unregisterAccessorProvider(ABinderRpc_AccessorProvider* _Nonnull provider)
+        __INTRODUCED_IN(36);
+
+/**
+ * Callback which returns the RPC connection information for libbinder to use to
+ * connect to a socket that a given service is listening on. This is needed to
+ * create an ABinderRpc_Accessor so it can connect to these services.
+ *
+ * \param instance name of the service to connect to
+ * \param data userdata for this callback. The pointer is provided in
+ *        ABinderRpc_Accessor_new.
+ * \return ABinderRpc_ConnectionInfo with socket connection information for `instance`
+ */
+typedef ABinderRpc_ConnectionInfo* _Nullable (*ABinderRpc_ConnectionInfoProvider)(
+        const char* _Nonnull instance, void* _Nullable data) __INTRODUCED_IN(36);
+/**
+ * This callback is responsible deleting the `void* data` object that is passed
+ * in to ABinderRpc_Accessor_new for the ABinderRpc_ConnectionInfoProvider to use. That
+ * object is owned by the ABinderRpc_Accessor and must remain valid for the
+ * lifetime the Accessor because it may be used by the connection info provider
+ * callback.
+ * This _delete callback is called after the ABinderRpc_Accessor is removed and
+ * is guaranteed never to be called again.
+ *
+ * \param data a pointer to data that the ABinderRpc_AccessorProvider uses which is to
+ *        be deleted by this call.
+ */
+typedef void (*ABinderRpc_ConnectionInfoProviderUserData_delete)(void* _Nullable data);
+
+/**
+ * Create a new ABinderRpc_Accessor. This creates an IAccessor object in libbinder
+ * that can use the info from the ABinderRpc_ConnectionInfoProvider to connect to a
+ * socket that the service with `instance` name is listening to.
+ *
+ * \param instance name of the service that is listening on the socket
+ * \param provider callback that can get the socket connection information for the
+ *           instance. This connection information may be dynamic, so the
+ *           provider will be called any time a new connection is required.
+ * \param data pointer that is passed to the ABinderRpc_ConnectionInfoProvider callback.
+ *        IMPORTANT: The ABinderRpc_ConnectionInfoProvider now OWNS that object that data
+ *        points to. It can be used as necessary in the callback. The data MUST
+ *        remain valid for the lifetime of the provider callback.
+ *        Do not attempt to give ownership of the same object to different
+ *        providers through multiple calls to this function because the first
+ *        one to be deleted will call the onDelete callback.
+ * \param onDelete callback used to delete the objects that `data` points to.
+ *        This is called after ABinderRpc_ConnectionInfoProvider is guaranteed to never be
+ *        called again. Before this callback is called, `data` must remain
+ *        valid.
+ * \return an ABinderRpc_Accessor instance. This is deleted by the caller once it is
+ *         no longer needed.
+ */
+ABinderRpc_Accessor* _Nullable ABinderRpc_Accessor_new(
+        const char* _Nonnull instance, ABinderRpc_ConnectionInfoProvider _Nonnull provider,
+        void* _Nullable data, ABinderRpc_ConnectionInfoProviderUserData_delete _Nullable onDelete)
+        __INTRODUCED_IN(36);
+
+/**
+ * Delete an ABinderRpc_Accessor
+ *
+ * \param accessor to delete
+ */
+void ABinderRpc_Accessor_delete(ABinderRpc_Accessor* _Nonnull accessor) __INTRODUCED_IN(36);
+
+/**
+ * Return the AIBinder associated with an ABinderRpc_Accessor. This can be used to
+ * send the Accessor to another process or even register it with servicemanager.
+ *
+ * \param accessor to get the AIBinder for
+ * \return binder of the supplied accessor with one strong ref count
+ */
+AIBinder* _Nullable ABinderRpc_Accessor_asBinder(ABinderRpc_Accessor* _Nonnull accessor)
+        __INTRODUCED_IN(36);
+
+/**
+ * Return the ABinderRpc_Accessor associated with an AIBinder. The instance must match
+ * the ABinderRpc_Accessor implementation, and the AIBinder must a proxy binder for a
+ * remote service (ABpBinder).
+ * This can be used when receivng an AIBinder from another process that the
+ * other process obtained from ABinderRpc_Accessor_asBinder.
+ *
+ * \param instance name of the service that the Accessor is responsible for.
+ * \param accessorBinder proxy binder from another processes ABinderRpc_Accessor.
+ * \return ABinderRpc_Accessor representing the other processes ABinderRpc_Accessor
+ *         implementation. This function does not take ownership of the
+ *         ABinderRpc_Accessor (so the caller needs to delete with
+ *         ABinderRpc_Accessor_delete), and it preserves the recount of the bidner
+ *         object.
+ */
+ABinderRpc_Accessor* _Nullable ABinderRpc_Accessor_fromBinder(const char* _Nonnull instance,
+                                                              AIBinder* _Nonnull accessorBinder)
+        __INTRODUCED_IN(36);
+
+/**
+ * Create a new ABinderRpc_ConnectionInfo with sockaddr. This can be supported socket
+ * types like sockaddr_vm (vsock) and sockaddr_un (Unix Domain Sockets).
+ *
+ * \param addr sockaddr pointer that can come from supported socket
+ *        types like sockaddr_vm (vsock) and sockaddr_un (Unix Domain Sockets).
+ * \param len length of the concrete sockaddr type being used. Like
+ *        sizeof(sockaddr_vm) when sockaddr_vm is used.
+ * \return the connection info based on the given sockaddr
+ */
+ABinderRpc_ConnectionInfo* _Nullable ABinderRpc_ConnectionInfo_new(const sockaddr* _Nonnull addr,
+                                                                   socklen_t len)
+        __INTRODUCED_IN(36);
+
+/**
+ * Delete an ABinderRpc_ConnectionInfo object that was created with
+ * ABinderRpc_ConnectionInfo_new.
+ *
+ * \param info object to be deleted
+ */
+void ABinderRpc_ConnectionInfo_delete(ABinderRpc_ConnectionInfo* _Nonnull info) __INTRODUCED_IN(36);
+
+__END_DECLS
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index 826e199..c9e669e 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -248,6 +248,18 @@
     AServiceManager_openDeclaredPassthroughHal; # systemapi llndk=202404
 };
 
+LIBBINDER_NDK36 { # introduced=36
+  global:
+    ABinderRpc_registerAccessorProvider; # systemapi
+    ABinderRpc_unregisterAccessorProvider; # systemapi
+    ABinderRpc_Accessor_new; # systemapi
+    ABinderRpc_Accessor_delete; # systemapi
+    ABinderRpc_Accessor_asBinder; # systemapi
+    ABinderRpc_Accessor_fromBinder; # systemapi
+    ABinderRpc_ConnectionInfo_new; # systemapi
+    ABinderRpc_ConnectionInfo_delete; # systemapi
+};
+
 LIBBINDER_NDK_PLATFORM {
   global:
     AParcel_getAllowFds;
diff --git a/libs/binder/tests/Android.bp b/libs/binder/tests/Android.bp
index 0e653af..8b0dda3 100644
--- a/libs/binder/tests/Android.bp
+++ b/libs/binder/tests/Android.bp
@@ -532,6 +532,9 @@
     static_libs: [
         "libbinder_rpc_single_threaded",
     ],
+    shared_libs: [
+        "libbinder_ndk",
+    ],
 }
 
 cc_test {
diff --git a/libs/binder/tests/binderRpcTest.cpp b/libs/binder/tests/binderRpcTest.cpp
index 0ef200b..11150bc 100644
--- a/libs/binder/tests/binderRpcTest.cpp
+++ b/libs/binder/tests/binderRpcTest.cpp
@@ -46,6 +46,13 @@
 #include "binderRpcTestCommon.h"
 #include "binderRpcTestFixture.h"
 
+// TODO need to add IServiceManager.cpp/.h to libbinder_no_kernel
+#ifdef BINDER_WITH_KERNEL_IPC
+#include "android-base/logging.h"
+#include "android/binder_manager.h"
+#include "android/binder_rpc.h"
+#endif // BINDER_WITH_KERNEL_IPC
+
 using namespace std::chrono_literals;
 using namespace std::placeholders;
 using android::binder::borrowed_fd;
@@ -1204,27 +1211,29 @@
     auto proc = createRpcTestSocketServerProcess({.numThreads = kNumThreads});
     EXPECT_EQ(OK, proc.rootBinder->pingBinder());
 
-    auto receipt = addAccessorProvider([&](const String16& name) -> sp<IBinder> {
-        return createAccessor(name,
-                              [&](const String16& name, sockaddr* outAddr,
-                                  socklen_t addrSize) -> status_t {
-                                  if (outAddr == nullptr ||
-                                      addrSize < proc.proc->sessions[0].addrLen) {
-                                      return BAD_VALUE;
-                                  }
-                                  if (name == kInstanceName) {
-                                      if (proc.proc->sessions[0].addr.ss_family == AF_UNIX) {
-                                          sockaddr_un* un = reinterpret_cast<sockaddr_un*>(
-                                                  &proc.proc->sessions[0].addr);
-                                          ALOGE("inside callback: %s", un->sun_path);
-                                      }
-                                      std::memcpy(outAddr, &proc.proc->sessions[0].addr,
-                                                  proc.proc->sessions[0].addrLen);
-                                      return OK;
-                                  }
-                                  return NAME_NOT_FOUND;
-                              });
-    });
+    auto receipt = addAccessorProvider(
+            {String8(kInstanceName).c_str()}, [&](const String16& name) -> sp<IBinder> {
+                return createAccessor(name,
+                                      [&](const String16& name, sockaddr* outAddr,
+                                          socklen_t addrSize) -> status_t {
+                                          if (outAddr == nullptr ||
+                                              addrSize < proc.proc->sessions[0].addrLen) {
+                                              return BAD_VALUE;
+                                          }
+                                          if (name == kInstanceName) {
+                                              if (proc.proc->sessions[0].addr.ss_family ==
+                                                  AF_UNIX) {
+                                                  sockaddr_un* un = reinterpret_cast<sockaddr_un*>(
+                                                          &proc.proc->sessions[0].addr);
+                                                  ALOGE("inside callback: %s", un->sun_path);
+                                              }
+                                              std::memcpy(outAddr, &proc.proc->sessions[0].addr,
+                                                          proc.proc->sessions[0].addrLen);
+                                              return OK;
+                                          }
+                                          return NAME_NOT_FOUND;
+                                      });
+            });
 
     EXPECT_FALSE(receipt.expired());
 
@@ -1251,7 +1260,8 @@
 
     bool isProviderDeleted = false;
 
-    auto receipt = addAccessorProvider([&](const String16&) -> sp<IBinder> { return nullptr; });
+    auto receipt = addAccessorProvider({String8(kInstanceName).c_str()},
+                                       [&](const String16&) -> sp<IBinder> { return nullptr; });
     EXPECT_FALSE(receipt.expired());
 
     sp<IBinder> binder = defaultServiceManager()->checkService(kInstanceName);
@@ -1261,6 +1271,32 @@
     EXPECT_EQ(status, OK);
 }
 
+TEST_P(BinderRpcAccessor, InjectDuplicateAccessorProvider) {
+    const String16 kInstanceName("super.cool.service/better_than_default");
+    const String16 kInstanceName2("super.cool.service/better_than_default2");
+
+    auto receipt =
+            addAccessorProvider({String8(kInstanceName).c_str(), String8(kInstanceName2).c_str()},
+                                [&](const String16&) -> sp<IBinder> { return nullptr; });
+    EXPECT_FALSE(receipt.expired());
+    // reject this because it's associated with an already used instance name
+    auto receipt2 = addAccessorProvider({String8(kInstanceName).c_str()},
+                                        [&](const String16&) -> sp<IBinder> { return nullptr; });
+    EXPECT_TRUE(receipt2.expired());
+
+    // the first provider should still be usable
+    sp<IBinder> binder = defaultServiceManager()->checkService(kInstanceName);
+    EXPECT_EQ(binder, nullptr);
+
+    status_t status = removeAccessorProvider(receipt);
+    EXPECT_EQ(status, OK);
+}
+
+TEST_P(BinderRpcAccessor, InjectAccessorProviderNoInstance) {
+    auto receipt = addAccessorProvider({}, [&](const String16&) -> sp<IBinder> { return nullptr; });
+    EXPECT_TRUE(receipt.expired());
+}
+
 TEST_P(BinderRpcAccessor, InjectNoSockaddrProvided) {
     constexpr size_t kNumThreads = 10;
     const String16 kInstanceName("super.cool.service/better_than_default");
@@ -1271,12 +1307,15 @@
     bool isProviderDeleted = false;
     bool isAccessorDeleted = false;
 
-    auto receipt = addAccessorProvider([&](const String16& name) -> sp<IBinder> {
-        return createAccessor(name, [&](const String16&, sockaddr*, socklen_t) -> status_t {
-            // don't fill in outAddr
-            return NAME_NOT_FOUND;
-        });
-    });
+    auto receipt = addAccessorProvider({String8(kInstanceName).c_str()},
+                                       [&](const String16& name) -> sp<IBinder> {
+                                           return createAccessor(name,
+                                                                 [&](const String16&, sockaddr*,
+                                                                     socklen_t) -> status_t {
+                                                                     // don't fill in outAddr
+                                                                     return NAME_NOT_FOUND;
+                                                                 });
+                                       });
 
     EXPECT_FALSE(receipt.expired());
 
@@ -1287,6 +1326,269 @@
     EXPECT_EQ(status, OK);
 }
 
+constexpr const char* kARpcInstance = "some.instance.name.IFoo/default";
+const char* kARpcSupportedServices[] = {
+        kARpcInstance,
+};
+const uint32_t kARpcNumSupportedServices = 1;
+
+struct ConnectionInfoData {
+    sockaddr_storage addr;
+    socklen_t len;
+    bool* isDeleted;
+    ~ConnectionInfoData() {
+        if (isDeleted) *isDeleted = true;
+    }
+};
+
+struct AccessorProviderData {
+    sockaddr_storage addr;
+    socklen_t len;
+    bool* isDeleted;
+    ~AccessorProviderData() {
+        if (isDeleted) *isDeleted = true;
+    }
+};
+
+void accessorProviderDataOnDelete(void* data) {
+    delete reinterpret_cast<AccessorProviderData*>(data);
+}
+void infoProviderDataOnDelete(void* data) {
+    delete reinterpret_cast<ConnectionInfoData*>(data);
+}
+
+ABinderRpc_ConnectionInfo* infoProvider(const char* instance, void* cookie) {
+    if (instance == nullptr || cookie == nullptr) return nullptr;
+    ConnectionInfoData* data = reinterpret_cast<ConnectionInfoData*>(cookie);
+    return ABinderRpc_ConnectionInfo_new(reinterpret_cast<const sockaddr*>(&data->addr), data->len);
+}
+
+ABinderRpc_Accessor* getAccessor(const char* instance, void* cookie) {
+    if (instance == nullptr || cookie == nullptr) return nullptr;
+    if (0 != strcmp(instance, kARpcInstance)) return nullptr;
+
+    AccessorProviderData* data = reinterpret_cast<AccessorProviderData*>(cookie);
+
+    ConnectionInfoData* info = new ConnectionInfoData{
+            .addr = data->addr,
+            .len = data->len,
+            .isDeleted = nullptr,
+    };
+
+    return ABinderRpc_Accessor_new(instance, infoProvider, info, infoProviderDataOnDelete);
+}
+
+class BinderARpcNdk : public ::testing::Test {};
+
+TEST_F(BinderARpcNdk, ARpcProviderNewDelete) {
+    bool isDeleted = false;
+
+    AccessorProviderData* data = new AccessorProviderData{{}, 0, &isDeleted};
+
+    ABinderRpc_AccessorProvider* provider =
+            ABinderRpc_registerAccessorProvider(getAccessor, kARpcSupportedServices,
+                                                kARpcNumSupportedServices, data,
+                                                accessorProviderDataOnDelete);
+
+    ASSERT_NE(provider, nullptr);
+    EXPECT_FALSE(isDeleted);
+
+    ABinderRpc_unregisterAccessorProvider(provider);
+
+    EXPECT_TRUE(isDeleted);
+}
+
+TEST_F(BinderARpcNdk, ARpcProviderDuplicateInstance) {
+    const char* instance = "some.instance.name.IFoo/default";
+    const uint32_t numInstances = 2;
+    const char* instances[numInstances] = {
+            instance,
+            "some.other.instance/default",
+    };
+
+    bool isDeleted = false;
+
+    AccessorProviderData* data = new AccessorProviderData{{}, 0, &isDeleted};
+
+    ABinderRpc_AccessorProvider* provider =
+            ABinderRpc_registerAccessorProvider(getAccessor, instances, numInstances, data,
+                                                accessorProviderDataOnDelete);
+
+    ASSERT_NE(provider, nullptr);
+    EXPECT_FALSE(isDeleted);
+
+    const uint32_t numInstances2 = 1;
+    const char* instances2[numInstances2] = {
+            instance,
+    };
+    bool isDeleted2 = false;
+    AccessorProviderData* data2 = new AccessorProviderData{{}, 0, &isDeleted2};
+    ABinderRpc_AccessorProvider* provider2 =
+            ABinderRpc_registerAccessorProvider(getAccessor, instances2, numInstances2, data2,
+                                                accessorProviderDataOnDelete);
+
+    EXPECT_EQ(provider2, nullptr);
+    // If it fails to be registered, the data is still cleaned up with
+    // accessorProviderDataOnDelete
+    EXPECT_TRUE(isDeleted2);
+
+    ABinderRpc_unregisterAccessorProvider(provider);
+
+    EXPECT_TRUE(isDeleted);
+}
+
+TEST_F(BinderARpcNdk, ARpcProviderRegisterNoInstance) {
+    const uint32_t numInstances = 0;
+    const char* instances[numInstances] = {};
+
+    bool isDeleted = false;
+    AccessorProviderData* data = new AccessorProviderData{{}, 0, &isDeleted};
+
+    ABinderRpc_AccessorProvider* provider =
+            ABinderRpc_registerAccessorProvider(getAccessor, instances, numInstances, data,
+                                                accessorProviderDataOnDelete);
+    ASSERT_EQ(provider, nullptr);
+}
+
+TEST_F(BinderARpcNdk, ARpcAccessorNewDelete) {
+    bool isDeleted = false;
+
+    ConnectionInfoData* data = new ConnectionInfoData{{}, 0, &isDeleted};
+
+    ABinderRpc_Accessor* accessor =
+            ABinderRpc_Accessor_new("gshoe_service", infoProvider, data, infoProviderDataOnDelete);
+    ASSERT_NE(accessor, nullptr);
+    EXPECT_FALSE(isDeleted);
+
+    ABinderRpc_Accessor_delete(accessor);
+    EXPECT_TRUE(isDeleted);
+}
+
+TEST_F(BinderARpcNdk, ARpcConnectionInfoNewDelete) {
+    sockaddr_vm addr{
+            .svm_family = AF_VSOCK,
+            .svm_port = VMADDR_PORT_ANY,
+            .svm_cid = VMADDR_CID_ANY,
+    };
+
+    ABinderRpc_ConnectionInfo* info =
+            ABinderRpc_ConnectionInfo_new(reinterpret_cast<sockaddr*>(&addr), sizeof(sockaddr_vm));
+    EXPECT_NE(info, nullptr);
+
+    ABinderRpc_ConnectionInfo_delete(info);
+}
+
+TEST_F(BinderARpcNdk, ARpcAsFromBinderAsBinder) {
+    bool isDeleted = false;
+
+    ConnectionInfoData* data = new ConnectionInfoData{{}, 0, &isDeleted};
+
+    ABinderRpc_Accessor* accessor =
+            ABinderRpc_Accessor_new("gshoe_service", infoProvider, data, infoProviderDataOnDelete);
+    ASSERT_NE(accessor, nullptr);
+    EXPECT_FALSE(isDeleted);
+
+    {
+        ndk::SpAIBinder binder = ndk::SpAIBinder(ABinderRpc_Accessor_asBinder(accessor));
+        EXPECT_NE(binder.get(), nullptr);
+
+        ABinderRpc_Accessor* accessor2 =
+                ABinderRpc_Accessor_fromBinder("wrong_service_name", binder.get());
+        // The API checks for the expected service name that is associated with
+        // the accessor!
+        EXPECT_EQ(accessor2, nullptr);
+
+        accessor2 = ABinderRpc_Accessor_fromBinder("gshoe_service", binder.get());
+        EXPECT_NE(accessor2, nullptr);
+
+        // this is a new ABinderRpc_Accessor object that wraps the underlying
+        // libbinder object.
+        EXPECT_NE(accessor, accessor2);
+
+        ndk::SpAIBinder binder2 = ndk::SpAIBinder(ABinderRpc_Accessor_asBinder(accessor2));
+        EXPECT_EQ(binder.get(), binder2.get());
+
+        ABinderRpc_Accessor_delete(accessor2);
+    }
+
+    EXPECT_FALSE(isDeleted);
+    ABinderRpc_Accessor_delete(accessor);
+    EXPECT_TRUE(isDeleted);
+}
+
+TEST_F(BinderARpcNdk, ARpcRequireProviderOnDeleteCallback) {
+    EXPECT_EQ(nullptr,
+              ABinderRpc_registerAccessorProvider(getAccessor, kARpcSupportedServices,
+                                                  kARpcNumSupportedServices,
+                                                  reinterpret_cast<void*>(1), nullptr));
+}
+
+TEST_F(BinderARpcNdk, ARpcRequireInfoOnDeleteCallback) {
+    EXPECT_EQ(nullptr,
+              ABinderRpc_Accessor_new("the_best_service_name", infoProvider,
+                                      reinterpret_cast<void*>(1), nullptr));
+}
+
+TEST_F(BinderARpcNdk, ARpcNoDataNoProviderOnDeleteCallback) {
+    ABinderRpc_AccessorProvider* provider =
+            ABinderRpc_registerAccessorProvider(getAccessor, kARpcSupportedServices,
+                                                kARpcNumSupportedServices, nullptr, nullptr);
+    ASSERT_NE(nullptr, provider);
+    ABinderRpc_unregisterAccessorProvider(provider);
+}
+
+TEST_F(BinderARpcNdk, ARpcNoDataNoInfoOnDeleteCallback) {
+    ABinderRpc_Accessor* accessor =
+            ABinderRpc_Accessor_new("the_best_service_name", infoProvider, nullptr, nullptr);
+    ASSERT_NE(nullptr, accessor);
+    ABinderRpc_Accessor_delete(accessor);
+}
+
+TEST_F(BinderARpcNdk, ARpcDoubleRemoveProvider) {
+    ABinderRpc_AccessorProvider* provider =
+            ABinderRpc_registerAccessorProvider(getAccessor, kARpcSupportedServices,
+                                                kARpcNumSupportedServices, nullptr, nullptr);
+    ASSERT_NE(nullptr, provider);
+    ABinderRpc_unregisterAccessorProvider(provider);
+    EXPECT_DEATH(ABinderRpc_unregisterAccessorProvider(provider), " was already unregistered");
+}
+
+TEST_F(BinderARpcNdk, ARpcNullArgs_ConnectionInfo_new) {
+    sockaddr_storage addr;
+    EXPECT_EQ(nullptr, ABinderRpc_ConnectionInfo_new(reinterpret_cast<const sockaddr*>(&addr), 0));
+}
+
+TEST_P(BinderRpcAccessor, ARpcGetService) {
+    constexpr size_t kNumThreads = 10;
+    bool isDeleted = false;
+
+    auto proc = createRpcTestSocketServerProcess({.numThreads = kNumThreads});
+    EXPECT_EQ(OK, proc.rootBinder->pingBinder());
+
+    AccessorProviderData* data =
+            new AccessorProviderData{proc.proc->sessions[0].addr, proc.proc->sessions[0].addrLen,
+                                     &isDeleted};
+
+    ABinderRpc_AccessorProvider* provider =
+            ABinderRpc_registerAccessorProvider(getAccessor, kARpcSupportedServices,
+                                                kARpcNumSupportedServices, data,
+                                                accessorProviderDataOnDelete);
+
+    EXPECT_NE(provider, nullptr);
+    EXPECT_FALSE(isDeleted);
+
+    {
+        ndk::SpAIBinder binder = ndk::SpAIBinder(AServiceManager_checkService(kARpcInstance));
+        ASSERT_NE(binder.get(), nullptr);
+        EXPECT_EQ(STATUS_OK, AIBinder_ping(binder.get()));
+    }
+
+    ABinderRpc_unregisterAccessorProvider(provider);
+    EXPECT_TRUE(isDeleted);
+
+    waitForExtraSessionCleanup(proc);
+}
+
 #endif // BINDER_WITH_KERNEL_IPC
 
 #ifdef BINDER_RPC_TO_TRUSTY_TEST
diff --git a/libs/binder/trusty/ndk/include/android/llndk-versioning.h b/libs/binder/trusty/ndk/include/android/llndk-versioning.h
deleted file mode 100644
index 3ae3d8f..0000000
--- a/libs/binder/trusty/ndk/include/android/llndk-versioning.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright (C) 2024 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
-
-#define __INTRODUCED_IN_LLNDK(x) /* nothing on Trusty */
diff --git a/libs/debugstore/OWNERS b/libs/debugstore/OWNERS
index 428a1a2..c8e22b7 100644
--- a/libs/debugstore/OWNERS
+++ b/libs/debugstore/OWNERS
@@ -1,3 +1,2 @@
 benmiles@google.com
-gaillard@google.com
 mohamadmahmoud@google.com
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 739c3c2..044170c 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -1096,6 +1096,17 @@
         AsyncWorker::getInstance().post(
                 [listener = mListener, slots = slots]() { listener->onBuffersDiscarded(slots); });
     }
+
+    void onBufferDetached(int slot) override {
+        AsyncWorker::getInstance().post(
+                [listener = mListener, slot = slot]() { listener->onBufferDetached(slot); });
+    }
+
+#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_CONSUMER_ATTACH_CALLBACK)
+    void onBufferAttached() override {
+        AsyncWorker::getInstance().post([listener = mListener]() { listener->onBufferAttached(); });
+    }
+#endif
 };
 
 // Extends the BufferQueueProducer to create a wrapper around the listener so the listener calls
diff --git a/libs/gui/IProducerListener.cpp b/libs/gui/IProducerListener.cpp
index 7700795..8b9b090 100644
--- a/libs/gui/IProducerListener.cpp
+++ b/libs/gui/IProducerListener.cpp
@@ -184,4 +184,10 @@
 void BnProducerListener::onBuffersDiscarded(const std::vector<int32_t>& /*discardedSlots*/) {
 }
 
+#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_CONSUMER_ATTACH_CALLBACK)
+bool BnProducerListener::needsAttachNotify() {
+    return true;
+}
+#endif
+
 } // namespace android
diff --git a/libs/gui/include/gui/IProducerListener.h b/libs/gui/include/gui/IProducerListener.h
index 3dcc6b6..43bf6a7 100644
--- a/libs/gui/include/gui/IProducerListener.h
+++ b/libs/gui/include/gui/IProducerListener.h
@@ -90,6 +90,9 @@
             Parcel* reply, uint32_t flags = 0);
     virtual bool needsReleaseNotify();
     virtual void onBuffersDiscarded(const std::vector<int32_t>& slots);
+#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_CONSUMER_ATTACH_CALLBACK)
+    virtual bool needsAttachNotify();
+#endif
 };
 
 #else
@@ -103,6 +106,9 @@
     virtual ~StubProducerListener();
     virtual void onBufferReleased() {}
     virtual bool needsReleaseNotify() { return false; }
+#if COM_ANDROID_GRAPHICS_LIBGUI_FLAGS(BQ_CONSUMER_ATTACH_CALLBACK)
+    virtual bool needsAttachNotify() { return false; }
+#endif
 };
 
 } // namespace android
diff --git a/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp b/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
index dd86e4f..a4368a6 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
@@ -841,7 +841,8 @@
         return score.overallScore == 0;
     });
 
-    if (policy->primaryRangeIsSingleRate()) {
+    // TODO(b/364651864): Evaluate correctness of primaryRangeIsSingleRate.
+    if (!isVrrDevice() && policy->primaryRangeIsSingleRate()) {
         // If we never scored any layers, then choose the rate from the primary
         // range instead of picking a random score from the app range.
         if (noLayerScore) {
@@ -887,10 +888,10 @@
         const auto touchRefreshRates = rankFrameRates(anchorGroup, RefreshRateOrder::Descending);
         using fps_approx_ops::operator<;
 
-        if (scores.front().frameRateMode.fps < touchRefreshRates.front().frameRateMode.fps) {
-            ALOGV("Touch Boost");
+        if (scores.front().frameRateMode.fps <= touchRefreshRates.front().frameRateMode.fps) {
+            ALOGV("Touch Boost [late]");
             ATRACE_FORMAT_INSTANT("%s (Touch Boost [late])",
-                                  to_string(touchRefreshRates.front().frameRateMode.fps).c_str());
+                                   to_string(touchRefreshRates.front().frameRateMode.fps).c_str());
             return {touchRefreshRates, GlobalSignals{.touch = true}};
         }
     }
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp
index cf9a7d3..4ffd52b 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateSelectorTest.cpp
@@ -1766,6 +1766,43 @@
     }
 }
 
+TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_vrrHighHintTouch_primaryRangeIsSingleRate) {
+    if (GetParam() != Config::FrameRateOverride::Enabled) {
+        return;
+    }
+
+    SET_FLAG_FOR_TEST(flags::vrr_config, true);
+
+    auto selector = createSelector(kVrrMode_120, kModeId120);
+    selector.setActiveMode(kModeId120, 60_Hz);
+
+    // Change primary physical range to be single rate, which on VRR device should not affect
+    // fps scoring.
+    EXPECT_EQ(SetPolicyResult::Changed,
+              selector.setDisplayManagerPolicy({kModeId120, {120_Hz, 120_Hz}}));
+
+    std::vector<LayerRequirement> layers = {{.weight = 1.f}, {.weight = 1.f}};
+    layers[0].vote = LayerVoteType::ExplicitCategory;
+    layers[0].frameRateCategory = FrameRateCategory::HighHint;
+    layers[0].name = "ExplicitCategory HighHint";
+
+    auto actualRankedFrameRates = selector.getRankedFrameRates(layers);
+    // Expect late touch boost from HighHint.
+    EXPECT_EQ(120_Hz, actualRankedFrameRates.ranking.front().frameRateMode.fps);
+    EXPECT_EQ(kModeId120, actualRankedFrameRates.ranking.front().frameRateMode.modePtr->getId());
+    EXPECT_TRUE(actualRankedFrameRates.consideredSignals.touch);
+
+    layers[1].vote = LayerVoteType::ExplicitExactOrMultiple;
+    layers[1].desiredRefreshRate = 30_Hz;
+    layers[1].name = "ExplicitExactOrMultiple 30Hz";
+
+    actualRankedFrameRates = selector.getRankedFrameRates(layers);
+    // Expect late touch boost from HighHint.
+    EXPECT_EQ(120_Hz, actualRankedFrameRates.ranking.front().frameRateMode.fps);
+    EXPECT_EQ(kModeId120, actualRankedFrameRates.ranking.front().frameRateMode.modePtr->getId());
+    EXPECT_TRUE(actualRankedFrameRates.consideredSignals.touch);
+}
+
 TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_withFrameRateCategory_HighHint) {
     auto selector = createSelector(makeModes(kMode24, kMode30, kMode60, kMode120), kModeId60);
 
@@ -1884,7 +1921,7 @@
     // Gets touch boost
     EXPECT_EQ(120_Hz, actualRankedFrameRates.ranking.front().frameRateMode.fps);
     EXPECT_EQ(kModeId120, actualRankedFrameRates.ranking.front().frameRateMode.modePtr->getId());
-    EXPECT_FALSE(actualRankedFrameRates.consideredSignals.touch);
+    EXPECT_TRUE(actualRankedFrameRates.consideredSignals.touch);
 }
 
 TEST_P(RefreshRateSelectorTest, getBestFrameRateMode_withFrameRateCategory_TouchBoost) {
@@ -1978,7 +2015,7 @@
     lr2.name = "Max";
     actualRankedFrameRates = selector.getRankedFrameRates(layers, {.touch = true});
     EXPECT_FRAME_RATE_MODE(kMode120, 120_Hz, actualRankedFrameRates.ranking.front().frameRateMode);
-    EXPECT_FALSE(actualRankedFrameRates.consideredSignals.touch);
+    EXPECT_TRUE(actualRankedFrameRates.consideredSignals.touch);
 
     lr1.vote = LayerVoteType::ExplicitCategory;
     lr1.frameRateCategory = FrameRateCategory::Normal;
diff --git a/services/surfaceflinger/tests/unittests/TestableScheduler.h b/services/surfaceflinger/tests/unittests/TestableScheduler.h
index f063809..1f7bf5f 100644
--- a/services/surfaceflinger/tests/unittests/TestableScheduler.h
+++ b/services/surfaceflinger/tests/unittests/TestableScheduler.h
@@ -133,7 +133,9 @@
     using Scheduler::resyncAllToHardwareVsync;
 
     auto& mutableLayerHistory() { return mLayerHistory; }
-    auto& mutableAttachedChoreographers() { return mAttachedChoreographers; }
+    auto& mutableAttachedChoreographers() NO_THREAD_SAFETY_ANALYSIS {
+        return mAttachedChoreographers;
+    }
 
     size_t layerHistorySize() NO_THREAD_SAFETY_ANALYSIS {
         return mLayerHistory.mActiveLayerInfos.size() + mLayerHistory.mInactiveLayerInfos.size();
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 264f49a..c11b555 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -663,8 +663,10 @@
      * post-conditions.
      */
 
-    const auto& displays() const { return mFlinger->mDisplays; }
-    const auto& physicalDisplays() const { return mFlinger->mPhysicalDisplays; }
+    const auto& displays() const NO_THREAD_SAFETY_ANALYSIS { return mFlinger->mDisplays; }
+    const auto& physicalDisplays() const NO_THREAD_SAFETY_ANALYSIS {
+        return mFlinger->mPhysicalDisplays;
+    }
     const auto& currentState() const { return mFlinger->mCurrentState; }
     const auto& drawingState() const { return mFlinger->mDrawingState; }
     const auto& transactionFlags() const { return mFlinger->mTransactionFlags; }
@@ -677,13 +679,17 @@
     auto& mutableDisplayModeController() { return mFlinger->mDisplayModeController; }
     auto& mutableCurrentState() { return mFlinger->mCurrentState; }
     auto& mutableDisplayColorSetting() { return mFlinger->mDisplayColorSetting; }
-    auto& mutableDisplays() { return mFlinger->mDisplays; }
-    auto& mutablePhysicalDisplays() { return mFlinger->mPhysicalDisplays; }
+    auto& mutableDisplays() NO_THREAD_SAFETY_ANALYSIS { return mFlinger->mDisplays; }
+    auto& mutablePhysicalDisplays() NO_THREAD_SAFETY_ANALYSIS {
+        return mFlinger->mPhysicalDisplays;
+    }
     auto& mutableDrawingState() { return mFlinger->mDrawingState; }
     auto& mutableGeometryDirty() { return mFlinger->mGeometryDirty; }
     auto& mutableVisibleRegionsDirty() { return mFlinger->mVisibleRegionsDirty; }
     auto& mutableMainThreadId() { return mFlinger->mMainThreadId; }
-    auto& mutablePendingHotplugEvents() { return mFlinger->mPendingHotplugEvents; }
+    auto& mutablePendingHotplugEvents() NO_THREAD_SAFETY_ANALYSIS {
+        return mFlinger->mPendingHotplugEvents;
+    }
     auto& mutableTransactionFlags() { return mFlinger->mTransactionFlags; }
     auto& mutableDebugDisableHWC() { return mFlinger->mDebugDisableHWC; }
     auto& mutableMaxRenderTargetSize() { return mFlinger->mMaxRenderTargetSize; }
@@ -691,7 +697,7 @@
     auto& mutableHwcDisplayData() { return getHwComposer().mDisplayData; }
     auto& mutableHwcPhysicalDisplayIdMap() { return getHwComposer().mPhysicalDisplayIdMap; }
     auto& mutablePrimaryHwcDisplayId() { return getHwComposer().mPrimaryHwcDisplayId; }
-    auto& mutableActiveDisplayId() { return mFlinger->mActiveDisplayId; }
+    auto& mutableActiveDisplayId() NO_THREAD_SAFETY_ANALYSIS { return mFlinger->mActiveDisplayId; }
     auto& mutablePreviouslyComposedLayers() { return mFlinger->mPreviouslyComposedLayers; }
 
     auto& mutableActiveDisplayRotationFlags() {