Merge "SF: Remove ConnectionHandle concept in Scheduler" into main
diff --git a/Android.bp b/Android.bp
index 8c4dfbb..2520a71 100644
--- a/Android.bp
+++ b/Android.bp
@@ -105,7 +105,13 @@
 
 cc_library_headers {
     name: "libandroid_headers_private",
+    host_supported: true,
     export_include_dirs: ["include/private"],
+    target: {
+        windows: {
+            enabled: true,
+        },
+    },
 }
 
 filegroup {
diff --git a/include/android/choreographer.h b/include/android/choreographer.h
index f999708..d4f30ef 100644
--- a/include/android/choreographer.h
+++ b/include/android/choreographer.h
@@ -48,9 +48,19 @@
 #ifndef ANDROID_CHOREOGRAPHER_H
 #define ANDROID_CHOREOGRAPHER_H
 
+#include <stddef.h>
 #include <stdint.h>
 #include <sys/cdefs.h>
 
+// This file may also be built on glibc or on Windows/MacOS libc's, so no-op
+// and deprecated definitions are provided.
+#if !defined(__INTRODUCED_IN)
+#define __INTRODUCED_IN(__api_level) /* nothing */
+#endif
+#if !defined(__DEPRECATED_IN)
+#define __DEPRECATED_IN(__api_level) __attribute__((__deprecated__))
+#endif
+
 __BEGIN_DECLS
 
 struct AChoreographer;
diff --git a/libs/arect/Android.bp b/libs/arect/Android.bp
index 1a9766d..319716e 100644
--- a/libs/arect/Android.bp
+++ b/libs/arect/Android.bp
@@ -14,6 +14,7 @@
 
 package {
     default_applicable_licenses: ["frameworks_native_libs_arect_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 // Added automatically by a large-scale-change
diff --git a/libs/binder/ndk/ibinder.cpp b/libs/binder/ndk/ibinder.cpp
index bf7a0ba..3af9ec7 100644
--- a/libs/binder/ndk/ibinder.cpp
+++ b/libs/binder/ndk/ibinder.cpp
@@ -258,11 +258,24 @@
     }
 }
 
+void ABBinder::addDeathRecipient(const ::android::sp<AIBinder_DeathRecipient>& /* recipient */,
+                                 void* /* cookie */) {
+    LOG_ALWAYS_FATAL("Should not reach this. Can't linkToDeath local binders.");
+}
+
 ABpBinder::ABpBinder(const ::android::sp<::android::IBinder>& binder)
     : AIBinder(nullptr /*clazz*/), mRemote(binder) {
     LOG_ALWAYS_FATAL_IF(binder == nullptr, "binder == nullptr");
 }
-ABpBinder::~ABpBinder() {}
+
+ABpBinder::~ABpBinder() {
+    for (auto& recip : mDeathRecipients) {
+        sp<AIBinder_DeathRecipient> strongRecip = recip.recipient.promote();
+        if (strongRecip) {
+            strongRecip->pruneThisTransferEntry(getBinder(), recip.cookie);
+        }
+    }
+}
 
 sp<AIBinder> ABpBinder::lookupOrCreateFromBinder(const ::android::sp<::android::IBinder>& binder) {
     if (binder == nullptr) {
@@ -301,6 +314,11 @@
     return ret;
 }
 
+void ABpBinder::addDeathRecipient(const ::android::sp<AIBinder_DeathRecipient>& recipient,
+                                  void* cookie) {
+    mDeathRecipients.emplace_back(recipient, cookie);
+}
+
 struct AIBinder_Weak {
     wp<AIBinder> binder;
 };
@@ -426,6 +444,17 @@
     LOG_ALWAYS_FATAL_IF(onDied == nullptr, "onDied == nullptr");
 }
 
+void AIBinder_DeathRecipient::pruneThisTransferEntry(const sp<IBinder>& who, void* cookie) {
+    std::lock_guard<std::mutex> l(mDeathRecipientsMutex);
+    mDeathRecipients.erase(std::remove_if(mDeathRecipients.begin(), mDeathRecipients.end(),
+                                          [&](const sp<TransferDeathRecipient>& tdr) {
+                                              auto tdrWho = tdr->getWho();
+                                              return tdrWho != nullptr && tdrWho.promote() == who &&
+                                                     cookie == tdr->getCookie();
+                                          }),
+                           mDeathRecipients.end());
+}
+
 void AIBinder_DeathRecipient::pruneDeadTransferEntriesLocked() {
     mDeathRecipients.erase(std::remove_if(mDeathRecipients.begin(), mDeathRecipients.end(),
                                           [](const sp<TransferDeathRecipient>& tdr) {
@@ -554,8 +583,11 @@
         return STATUS_UNEXPECTED_NULL;
     }
 
-    // returns binder_status_t
-    return recipient->linkToDeath(binder->getBinder(), cookie);
+    binder_status_t ret = recipient->linkToDeath(binder->getBinder(), cookie);
+    if (ret == STATUS_OK) {
+        binder->addDeathRecipient(recipient, cookie);
+    }
+    return ret;
 }
 
 binder_status_t AIBinder_unlinkToDeath(AIBinder* binder, AIBinder_DeathRecipient* recipient,
diff --git a/libs/binder/ndk/ibinder_internal.h b/libs/binder/ndk/ibinder_internal.h
index 9d5368f..a2682d8 100644
--- a/libs/binder/ndk/ibinder_internal.h
+++ b/libs/binder/ndk/ibinder_internal.h
@@ -51,6 +51,8 @@
         ::android::sp<::android::IBinder> binder = const_cast<AIBinder*>(this)->getBinder();
         return binder->remoteBinder() != nullptr;
     }
+    virtual void addDeathRecipient(const ::android::sp<AIBinder_DeathRecipient>& recipient,
+                                   void* cookie) = 0;
 
    private:
     // AIBinder instance is instance of this class for a local object. In order to transact on a
@@ -78,6 +80,8 @@
     ::android::status_t dump(int fd, const ::android::Vector<::android::String16>& args) override;
     ::android::status_t onTransact(uint32_t code, const ::android::Parcel& data,
                                    ::android::Parcel* reply, binder_flags_t flags) override;
+    void addDeathRecipient(const ::android::sp<AIBinder_DeathRecipient>& /* recipient */,
+                           void* /* cookie */) override;
 
    private:
     ABBinder(const AIBinder_Class* clazz, void* userData);
@@ -106,12 +110,19 @@
 
     bool isServiceFuzzing() const { return mServiceFuzzing; }
     void setServiceFuzzing() { mServiceFuzzing = true; }
+    void addDeathRecipient(const ::android::sp<AIBinder_DeathRecipient>& recipient,
+                           void* cookie) override;
 
    private:
     friend android::sp<ABpBinder>;
     explicit ABpBinder(const ::android::sp<::android::IBinder>& binder);
     ::android::sp<::android::IBinder> mRemote;
     bool mServiceFuzzing = false;
+    struct DeathRecipientInfo {
+        android::wp<AIBinder_DeathRecipient> recipient;
+        void* cookie;
+    };
+    std::vector<DeathRecipientInfo> mDeathRecipients;
 };
 
 struct AIBinder_Class {
@@ -183,6 +194,7 @@
     binder_status_t linkToDeath(const ::android::sp<::android::IBinder>&, void* cookie);
     binder_status_t unlinkToDeath(const ::android::sp<::android::IBinder>& binder, void* cookie);
     void setOnUnlinked(AIBinder_DeathRecipient_onBinderUnlinked onUnlinked);
+    void pruneThisTransferEntry(const ::android::sp<::android::IBinder>&, void* cookie);
 
    private:
     // When the user of this API deletes a Bp object but not the death recipient, the
diff --git a/libs/binder/ndk/tests/iface.cpp b/libs/binder/ndk/tests/iface.cpp
index 3ee36cd..ca92727 100644
--- a/libs/binder/ndk/tests/iface.cpp
+++ b/libs/binder/ndk/tests/iface.cpp
@@ -25,6 +25,7 @@
 
 const char* IFoo::kSomeInstanceName = "libbinder_ndk-test-IFoo";
 const char* IFoo::kInstanceNameToDieFor = "libbinder_ndk-test-IFoo-to-die";
+const char* IFoo::kInstanceNameToDieFor2 = "libbinder_ndk-test-IFoo-to-die2";
 const char* IFoo::kIFooDescriptor = "my-special-IFoo-class";
 
 struct IFoo_Class_Data {
diff --git a/libs/binder/ndk/tests/include/iface/iface.h b/libs/binder/ndk/tests/include/iface/iface.h
index 0a562f0..0cdd50b 100644
--- a/libs/binder/ndk/tests/include/iface/iface.h
+++ b/libs/binder/ndk/tests/include/iface/iface.h
@@ -27,6 +27,7 @@
    public:
     static const char* kSomeInstanceName;
     static const char* kInstanceNameToDieFor;
+    static const char* kInstanceNameToDieFor2;
     static const char* kIFooDescriptor;
 
     static AIBinder_Class* kClass;
diff --git a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
index 966ec95..ce63b82 100644
--- a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
+++ b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
@@ -536,6 +536,7 @@
     bool deathReceived = false;
 
     std::function<void(void)> onDeath = [&] {
+        std::unique_lock<std::mutex> lockDeath(deathMutex);
         std::cerr << "Binder died (as requested)." << std::endl;
         deathReceived = true;
         deathCv.notify_one();
@@ -547,6 +548,7 @@
     bool wasDeathReceivedFirst = false;
 
     std::function<void(void)> onUnlink = [&] {
+        std::unique_lock<std::mutex> lockUnlink(unlinkMutex);
         std::cerr << "Binder unlinked (as requested)." << std::endl;
         wasDeathReceivedFirst = deathReceived;
         unlinkReceived = true;
@@ -560,7 +562,6 @@
 
     EXPECT_EQ(STATUS_OK, AIBinder_linkToDeath(binder, recipient, static_cast<void*>(cookie)));
 
-    // the binder driver should return this if the service dies during the transaction
     EXPECT_EQ(STATUS_DEAD_OBJECT, foo->die());
 
     foo = nullptr;
@@ -579,6 +580,123 @@
     binder = nullptr;
 }
 
+TEST(NdkBinder, DeathRecipientDropBinderNoDeath) {
+    using namespace std::chrono_literals;
+
+    std::mutex deathMutex;
+    std::condition_variable deathCv;
+    bool deathReceived = false;
+
+    std::function<void(void)> onDeath = [&] {
+        std::unique_lock<std::mutex> lockDeath(deathMutex);
+        std::cerr << "Binder died (as requested)." << std::endl;
+        deathReceived = true;
+        deathCv.notify_one();
+    };
+
+    std::mutex unlinkMutex;
+    std::condition_variable unlinkCv;
+    bool unlinkReceived = false;
+    bool wasDeathReceivedFirst = false;
+
+    std::function<void(void)> onUnlink = [&] {
+        std::unique_lock<std::mutex> lockUnlink(unlinkMutex);
+        std::cerr << "Binder unlinked (as requested)." << std::endl;
+        wasDeathReceivedFirst = deathReceived;
+        unlinkReceived = true;
+        unlinkCv.notify_one();
+    };
+
+    // keep the death recipient around
+    ndk::ScopedAIBinder_DeathRecipient recipient(AIBinder_DeathRecipient_new(LambdaOnDeath));
+    AIBinder_DeathRecipient_setOnUnlinked(recipient.get(), LambdaOnUnlink);
+
+    {
+        AIBinder* binder;
+        sp<IFoo> foo = IFoo::getService(IFoo::kInstanceNameToDieFor2, &binder);
+        ASSERT_NE(nullptr, foo.get());
+        ASSERT_NE(nullptr, binder);
+
+        DeathRecipientCookie* cookie = new DeathRecipientCookie{&onDeath, &onUnlink};
+
+        EXPECT_EQ(STATUS_OK,
+                  AIBinder_linkToDeath(binder, recipient.get(), static_cast<void*>(cookie)));
+        // let the sp<IFoo> and AIBinder fall out of scope
+        AIBinder_decStrong(binder);
+        binder = nullptr;
+    }
+
+    {
+        std::unique_lock<std::mutex> lockDeath(deathMutex);
+        EXPECT_FALSE(deathCv.wait_for(lockDeath, 100ms, [&] { return deathReceived; }));
+        EXPECT_FALSE(deathReceived);
+    }
+
+    {
+        std::unique_lock<std::mutex> lockUnlink(unlinkMutex);
+        EXPECT_TRUE(deathCv.wait_for(lockUnlink, 1s, [&] { return unlinkReceived; }));
+        EXPECT_TRUE(unlinkReceived);
+        EXPECT_FALSE(wasDeathReceivedFirst);
+    }
+}
+
+TEST(NdkBinder, DeathRecipientDropBinderOnDied) {
+    using namespace std::chrono_literals;
+
+    std::mutex deathMutex;
+    std::condition_variable deathCv;
+    bool deathReceived = false;
+
+    sp<IFoo> foo;
+    AIBinder* binder;
+    std::function<void(void)> onDeath = [&] {
+        std::unique_lock<std::mutex> lockDeath(deathMutex);
+        std::cerr << "Binder died (as requested)." << std::endl;
+        deathReceived = true;
+        AIBinder_decStrong(binder);
+        binder = nullptr;
+        deathCv.notify_one();
+    };
+
+    std::mutex unlinkMutex;
+    std::condition_variable unlinkCv;
+    bool unlinkReceived = false;
+    bool wasDeathReceivedFirst = false;
+
+    std::function<void(void)> onUnlink = [&] {
+        std::unique_lock<std::mutex> lockUnlink(unlinkMutex);
+        std::cerr << "Binder unlinked (as requested)." << std::endl;
+        wasDeathReceivedFirst = deathReceived;
+        unlinkReceived = true;
+        unlinkCv.notify_one();
+    };
+
+    ndk::ScopedAIBinder_DeathRecipient recipient(AIBinder_DeathRecipient_new(LambdaOnDeath));
+    AIBinder_DeathRecipient_setOnUnlinked(recipient.get(), LambdaOnUnlink);
+
+    foo = IFoo::getService(IFoo::kInstanceNameToDieFor2, &binder);
+    ASSERT_NE(nullptr, foo.get());
+    ASSERT_NE(nullptr, binder);
+
+    DeathRecipientCookie* cookie = new DeathRecipientCookie{&onDeath, &onUnlink};
+    EXPECT_EQ(STATUS_OK, AIBinder_linkToDeath(binder, recipient.get(), static_cast<void*>(cookie)));
+
+    EXPECT_EQ(STATUS_DEAD_OBJECT, foo->die());
+
+    {
+        std::unique_lock<std::mutex> lockDeath(deathMutex);
+        EXPECT_TRUE(deathCv.wait_for(lockDeath, 1s, [&] { return deathReceived; }));
+        EXPECT_TRUE(deathReceived);
+    }
+
+    {
+        std::unique_lock<std::mutex> lockUnlink(unlinkMutex);
+        EXPECT_TRUE(deathCv.wait_for(lockUnlink, 100ms, [&] { return unlinkReceived; }));
+        EXPECT_TRUE(unlinkReceived);
+        EXPECT_TRUE(wasDeathReceivedFirst);
+    }
+}
+
 TEST(NdkBinder, RetrieveNonNdkService) {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
@@ -958,6 +1076,10 @@
     }
     if (fork() == 0) {
         prctl(PR_SET_PDEATHSIG, SIGHUP);
+        return manualThreadPoolService(IFoo::kInstanceNameToDieFor2);
+    }
+    if (fork() == 0) {
+        prctl(PR_SET_PDEATHSIG, SIGHUP);
         return manualPollingService(IFoo::kSomeInstanceName);
     }
     if (fork() == 0) {
diff --git a/libs/bufferqueueconverter/Android.bp b/libs/bufferqueueconverter/Android.bp
index 3fe71ce..3c8c41f 100644
--- a/libs/bufferqueueconverter/Android.bp
+++ b/libs/bufferqueueconverter/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_library_headers {
diff --git a/libs/bufferstreams/Android.bp b/libs/bufferstreams/Android.bp
index 6c2a980..03ab31e 100644
--- a/libs/bufferstreams/Android.bp
+++ b/libs/bufferstreams/Android.bp
@@ -14,6 +14,7 @@
 
 package {
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 aconfig_declarations {
diff --git a/libs/bufferstreams/aidl/Android.bp b/libs/bufferstreams/aidl/Android.bp
new file mode 100644
index 0000000..3f1fa4e
--- /dev/null
+++ b/libs/bufferstreams/aidl/Android.bp
@@ -0,0 +1,43 @@
+// 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.
+
+aidl_interface {
+    name: "android.graphics.bufferstreams",
+    unstable: true,
+    flags: ["-Werror"],
+    srcs: ["android/graphics/bufferstreams/*.aidl"],
+    headers: [
+        "HardwareBuffer_aidl",
+    ],
+    imports: [
+        "android.hardware.common-V2",
+    ],
+    backend: {
+        cpp: {
+            enabled: false,
+        },
+        java: {
+            enabled: false,
+        },
+        ndk: {
+            enabled: false,
+        },
+        rust: {
+            enabled: true,
+            additional_rustlibs: [
+                "libnativewindow_rs",
+            ],
+        },
+    },
+}
diff --git a/libs/bufferstreams/aidl/android/graphics/bufferstreams/BufferAttachment.aidl b/libs/bufferstreams/aidl/android/graphics/bufferstreams/BufferAttachment.aidl
new file mode 100644
index 0000000..5c905b1
--- /dev/null
+++ b/libs/bufferstreams/aidl/android/graphics/bufferstreams/BufferAttachment.aidl
@@ -0,0 +1,32 @@
+/*
+ * 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.
+ */
+
+package android.graphics.bufferstreams;
+
+import android.graphics.bufferstreams.IBufferOwner;
+import android.hardware.HardwareBuffer;
+
+// Single mapping between a buffer reference and heavy-weight data (like the
+// buffer itself) and data that is stable between frames.
+parcelable BufferAttachment {
+    // The HardwareBuffer itself.
+    //
+    // This field is @nullable for codegen, since HardwareBuffer doesn't implement Default in Rust.
+    // In practice, it should never be null.
+    @nullable HardwareBuffer buffer;
+    // The buffer owner to which this buffer should be returned.
+    IBufferOwner owner;
+}
diff --git a/libs/bufferstreams/aidl/android/graphics/bufferstreams/BufferCacheUpdate.aidl b/libs/bufferstreams/aidl/android/graphics/bufferstreams/BufferCacheUpdate.aidl
new file mode 100644
index 0000000..7504119
--- /dev/null
+++ b/libs/bufferstreams/aidl/android/graphics/bufferstreams/BufferCacheUpdate.aidl
@@ -0,0 +1,38 @@
+/*
+ * 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.
+ */
+
+package android.graphics.bufferstreams;
+
+import android.graphics.bufferstreams.BufferAttachment;
+
+// A event that changes the state downstream buffer caches. Clients are responsible for forwarding
+// these messages to their clients.
+union BufferCacheUpdate {
+    // Event requiring downstream caches to add new entries.
+    CacheBuffers cacheBuffers;
+    // Event requiring downstream caches to remove entries.
+    ForgetBuffers forgetBuffers;
+
+    parcelable CacheBuffers {
+        // Attachments to add.
+        List<BufferAttachment> attachments;
+    }
+
+    parcelable ForgetBuffers {
+        // References to remove.
+        long[] bufferIds;
+    }
+}
diff --git a/libs/bufferstreams/aidl/android/graphics/bufferstreams/Frame.aidl b/libs/bufferstreams/aidl/android/graphics/bufferstreams/Frame.aidl
new file mode 100644
index 0000000..1e0ec3b
--- /dev/null
+++ b/libs/bufferstreams/aidl/android/graphics/bufferstreams/Frame.aidl
@@ -0,0 +1,30 @@
+/*
+ * 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.
+ */
+
+package android.graphics.bufferstreams;
+
+import android.os.ParcelFileDescriptor;
+
+// A Frame represents a single buffer passing through the stream.
+parcelable Frame {
+    // The service must have provided an associated BufferAttachment and the client is required to
+    // maintain a cache between the two.
+    long bufferId;
+    // The expected present time of this frame, or -1 if immediate.
+    long presentTimeNs;
+    // The acquire fence of the buffer for this frame.
+    @nullable ParcelFileDescriptor fence;
+}
diff --git a/libs/bufferstreams/aidl/android/graphics/bufferstreams/IBufferOwner.aidl b/libs/bufferstreams/aidl/android/graphics/bufferstreams/IBufferOwner.aidl
new file mode 100644
index 0000000..8b25a62
--- /dev/null
+++ b/libs/bufferstreams/aidl/android/graphics/bufferstreams/IBufferOwner.aidl
@@ -0,0 +1,25 @@
+/*
+ * 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.
+ */
+
+package android.graphics.bufferstreams;
+
+import android.os.ParcelFileDescriptor;
+
+// Interface from a client back to the owner of a buffer.
+interface IBufferOwner {
+    // Called when the buffer is done being processed by the stream to return its owner.
+    oneway void onBufferReleased(in long bufferId, in @nullable ParcelFileDescriptor releaseFence);
+}
diff --git a/libs/bufferstreams/aidl/android/graphics/bufferstreams/IBufferSubscriber.aidl b/libs/bufferstreams/aidl/android/graphics/bufferstreams/IBufferSubscriber.aidl
new file mode 100644
index 0000000..52e8216
--- /dev/null
+++ b/libs/bufferstreams/aidl/android/graphics/bufferstreams/IBufferSubscriber.aidl
@@ -0,0 +1,47 @@
+/*
+ * 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.
+ */
+
+package android.graphics.bufferstreams;
+
+import android.graphics.bufferstreams.BufferCacheUpdate;
+import android.graphics.bufferstreams.IBufferSubscription;
+import android.graphics.bufferstreams.Frame;
+
+// Interface provided by clients to a service, mirroring the non-IPC interface.
+//
+// Clients are required to maintain a local cache of Buffer IDs to BufferAttachments.
+interface IBufferSubscriber {
+    // Provide a BufferSubscription object which the client can use to request frames.
+    oneway void onSubscribe(in IBufferSubscription subscription);
+
+    // Notifies the client to update its local caches.
+    oneway void onBufferCacheUpdate(in BufferCacheUpdate update);
+
+    // Notifies the client that a requested frame is available.
+    oneway void onNext(in Frame frame);
+
+    // Notifies the client that a fatal error has occurred. No subsequent on_next events will be
+    // sent by the service.
+    //
+    // Clients must empty their caches.
+    oneway void onError();
+
+    // Notifies the client that no further on_next events will be sent by the service in response
+    // to it cancelling the subscription.
+    //
+    // Clients must empty their caches.
+    oneway void onComplete();
+}
diff --git a/libs/bufferstreams/aidl/android/graphics/bufferstreams/IBufferSubscription.aidl b/libs/bufferstreams/aidl/android/graphics/bufferstreams/IBufferSubscription.aidl
new file mode 100644
index 0000000..c37f4e6
--- /dev/null
+++ b/libs/bufferstreams/aidl/android/graphics/bufferstreams/IBufferSubscription.aidl
@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+package android.graphics.bufferstreams;
+
+// Interface provided to a IBufferSubscriber to request frames or gracefully cancel their
+// subscription.
+interface IBufferSubscription {
+    // Request n more frames.
+    oneway void request(long n);
+    // Cancel the subscription. Requested frames may continue to arrive.
+    oneway void cancel();
+}
diff --git a/libs/bufferstreams/examples/app/Android.bp b/libs/bufferstreams/examples/app/Android.bp
index bb573c5..5b3ec30 100644
--- a/libs/bufferstreams/examples/app/Android.bp
+++ b/libs/bufferstreams/examples/app/Android.bp
@@ -12,6 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
+}
+
 android_app {
     name: "BufferStreamsDemoApp",
     srcs: ["java/**/*.kt"],
diff --git a/libs/bufferstreams/examples/app/jni/Android.bp b/libs/bufferstreams/examples/app/jni/Android.bp
index 67910a1..003f4ed 100644
--- a/libs/bufferstreams/examples/app/jni/Android.bp
+++ b/libs/bufferstreams/examples/app/jni/Android.bp
@@ -12,6 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
+}
+
 cc_library_shared {
     name: "libbufferstreamdemoapp",
     cflags: [
diff --git a/libs/bufferstreams/rust/Android.bp b/libs/bufferstreams/rust/Android.bp
index 7fcb222..34feb5d 100644
--- a/libs/bufferstreams/rust/Android.bp
+++ b/libs/bufferstreams/rust/Android.bp
@@ -12,6 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
+}
+
 rust_defaults {
     name: "libbufferstreams_defaults",
     srcs: ["src/lib.rs"],
diff --git a/libs/bufferstreams/rust/src/buffers/buffer_owner.rs b/libs/bufferstreams/rust/src/buffers/buffer_owner.rs
index a4abb9d..155a8bf 100644
--- a/libs/bufferstreams/rust/src/buffers/buffer_owner.rs
+++ b/libs/bufferstreams/rust/src/buffers/buffer_owner.rs
@@ -16,7 +16,7 @@
 
 /// Trait that represents an owner of a buffer that might need to handle events such as a buffer
 /// being dropped.
-pub trait BufferOwner {
+pub trait BufferOwner: Send + Sync {
     /// Called when a buffer is dropped.
     fn on_return(&self, buffer: &Buffer);
 }
diff --git a/libs/bufferstreams/rust/src/lib.rs b/libs/bufferstreams/rust/src/lib.rs
index be1525d..17d4d87 100644
--- a/libs/bufferstreams/rust/src/lib.rs
+++ b/libs/bufferstreams/rust/src/lib.rs
@@ -23,8 +23,6 @@
 use buffers::Buffer;
 pub use stream_config::*;
 
-use std::time::Instant;
-
 /// This function will print Hello World.
 #[no_mangle]
 pub extern "C" fn hello() -> bool {
@@ -106,7 +104,8 @@
 /// BufferSubscriptions serve as the bridge between BufferPublishers and
 /// BufferSubscribers. BufferSubscribers receive a BufferSubscription when they
 /// subscribe to a BufferPublisher via on_subscribe.
-/// This object is to be used by the BufferSubscriber to cancel its subscription
+///
+/// This object is used by the BufferSubscriber to cancel its subscription
 /// or request more buffers.
 ///
 /// BufferSubcriptions are required to adhere to the following, based on the
@@ -147,7 +146,7 @@
 /// no other Subscription exists at this point.
 /// * Calling Subscription.cancel MUST return normally.
 /// * Calling Subscription.request MUST return normally.
-pub trait BufferSubscription {
+pub trait BufferSubscription: Send + Sync + 'static {
     /// request
     fn request(&self, n: u64);
     /// cancel
@@ -161,8 +160,8 @@
 pub struct Frame {
     /// A buffer to be used this frame.
     pub buffer: Buffer,
-    /// The time at which the buffer was dispatched.
-    pub present_time: Instant,
+    /// The time at which this buffer is expected to be displayed.
+    pub present_time: i64,
     /// A fence used for reading/writing safely.
     pub fence: i32,
 }
@@ -175,14 +174,12 @@
     use anyhow::anyhow;
     use buffers::Buffer;
     use nativewindow::{AHardwareBuffer_Format, AHardwareBuffer_UsageFlags};
-    use std::borrow::BorrowMut;
-    use std::error::Error;
-    use std::ops::Add;
-    use std::sync::Arc;
-    use std::time::Duration;
+    use std::{borrow::BorrowMut, error::Error, ops::Add, sync::Arc};
 
-    use crate::publishers::testing::*;
-    use crate::subscribers::{testing::*, SharedSubscriber};
+    use crate::{
+        publishers::testing::*,
+        subscribers::{testing::*, SharedSubscriber},
+    };
 
     const STREAM_CONFIG: StreamConfig = StreamConfig {
         width: 1,
@@ -200,7 +197,7 @@
                     .create_hardware_buffer()
                     .expect("Unable to create hardware buffer for test"),
             ),
-            present_time: Instant::now() + Duration::from_secs(1),
+            present_time: 1,
             fence: 0,
         }
     }
diff --git a/libs/bufferstreams/rust/src/publishers/buffer_pool_publisher.rs b/libs/bufferstreams/rust/src/publishers/buffer_pool_publisher.rs
index 846105d..73a15be 100644
--- a/libs/bufferstreams/rust/src/publishers/buffer_pool_publisher.rs
+++ b/libs/bufferstreams/rust/src/publishers/buffer_pool_publisher.rs
@@ -14,8 +14,6 @@
 
 //!
 
-use std::time::Instant;
-
 use crate::{
     buffers::BufferPool, subscriptions::SharedBufferSubscription, BufferPublisher,
     BufferSubscriber, Frame, StreamConfig,
@@ -43,7 +41,7 @@
 
     /// If the [SharedBufferSubscription] is ready for a [Frame], a buffer will be requested from
     /// [BufferPool] and sent over to the [BufferSubscriber].
-    pub fn send_next_frame(&mut self, present_time: Instant) -> bool {
+    pub fn send_next_frame(&mut self, present_time: i64) -> bool {
         if let Some(subscriber) = self.subscriber.as_mut() {
             if self.subscription.take_request() {
                 if let Some(buffer) = self.buffer_pool.next_buffer() {
@@ -103,7 +101,7 @@
 
         subscriber.map_inner(|s| s.request(1));
 
-        assert!(buffer_pool_publisher.send_next_frame(Instant::now()));
+        assert!(buffer_pool_publisher.send_next_frame(1));
 
         let events = subscriber.map_inner_mut(|s| s.take_events());
         assert!(matches!(events.last().unwrap(), TestingSubscriberEvent::Next(_)));
diff --git a/libs/ftl/Android.bp b/libs/ftl/Android.bp
index 5ac965f..32b2b68 100644
--- a/libs/ftl/Android.bp
+++ b/libs/ftl/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_test {
diff --git a/libs/gralloc/types/Android.bp b/libs/gralloc/types/Android.bp
index aab1276..f300da5 100644
--- a/libs/gralloc/types/Android.bp
+++ b/libs/gralloc/types/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_library {
diff --git a/libs/gralloc/types/fuzzer/Android.bp b/libs/gralloc/types/fuzzer/Android.bp
index 3c3b6af..8337182 100644
--- a/libs/gralloc/types/fuzzer/Android.bp
+++ b/libs/gralloc/types/fuzzer/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_fuzz {
diff --git a/libs/gralloc/types/tests/Android.bp b/libs/gralloc/types/tests/Android.bp
index 66eb0aa..b796c03 100644
--- a/libs/gralloc/types/tests/Android.bp
+++ b/libs/gralloc/types/tests/Android.bp
@@ -21,6 +21,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_test {
@@ -30,5 +31,8 @@
         "libhidlbase",
     ],
     srcs: ["Gralloc4_test.cpp"],
-    cflags: ["-Wall", "-Werror"],
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
 }
diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index 4c3cc6c..70cb36b 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -18,6 +18,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 aconfig_declarations {
diff --git a/libs/gui/fuzzer/Android.bp b/libs/gui/fuzzer/Android.bp
index cd738ac..35dd9ec 100644
--- a/libs/gui/fuzzer/Android.bp
+++ b/libs/gui/fuzzer/Android.bp
@@ -20,6 +20,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_defaults {
diff --git a/libs/gui/sysprop/Android.bp b/libs/gui/sysprop/Android.bp
index cc33e4c..386767b 100644
--- a/libs/gui/sysprop/Android.bp
+++ b/libs/gui/sysprop/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 sysprop_library {
diff --git a/libs/input/input_flags.aconfig b/libs/input/input_flags.aconfig
index 5af4855..bdec5c3 100644
--- a/libs/input/input_flags.aconfig
+++ b/libs/input/input_flags.aconfig
@@ -119,3 +119,10 @@
   description: "Controls the API to provide InputDevice view behavior."
   bug: "246946631"
 }
+
+flag {
+  name: "enable_touchpad_fling_stop"
+  namespace: "input"
+  description: "Enable fling scrolling to be stopped by putting a finger on the touchpad again"
+  bug: "281106755"
+}
diff --git a/libs/nativedisplay/Android.bp b/libs/nativedisplay/Android.bp
index 342f5de..f7f20b4 100644
--- a/libs/nativedisplay/Android.bp
+++ b/libs/nativedisplay/Android.bp
@@ -16,6 +16,7 @@
     default_applicable_licenses: [
         "frameworks_native_libs_nativedisplay_license",
     ],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 // Added automatically by a large-scale-change
diff --git a/libs/nativewindow/Android.bp b/libs/nativewindow/Android.bp
index bc0bfc5..0e90327 100644
--- a/libs/nativewindow/Android.bp
+++ b/libs/nativewindow/Android.bp
@@ -16,6 +16,7 @@
     default_applicable_licenses: [
         "frameworks_native_libs_nativewindow_license",
     ],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 // Added automatically by a large-scale-change
diff --git a/libs/nativewindow/include/vndk/hardware_buffer.h b/libs/nativewindow/include/vndk/hardware_buffer.h
index bcfae10..48fb02f 100644
--- a/libs/nativewindow/include/vndk/hardware_buffer.h
+++ b/libs/nativewindow/include/vndk/hardware_buffer.h
@@ -107,7 +107,7 @@
 };
 
 /**
- * Additional options for AHardwareBuffer_allocate2. These correspond to
+ * Additional options for AHardwareBuffer_allocateWithOptions. These correspond to
  * android.hardware.graphics.common.ExtendableType
  */
 typedef struct {
diff --git a/libs/nativewindow/rust/Android.bp b/libs/nativewindow/rust/Android.bp
index 90d0a8e..a3df482 100644
--- a/libs/nativewindow/rust/Android.bp
+++ b/libs/nativewindow/rust/Android.bp
@@ -16,6 +16,7 @@
     default_applicable_licenses: [
         "frameworks_native_libs_nativewindow_license",
     ],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 rust_bindgen {
diff --git a/libs/nativewindow/tests/Android.bp b/libs/nativewindow/tests/Android.bp
index d7c7eb3..a4ebcac 100644
--- a/libs/nativewindow/tests/Android.bp
+++ b/libs/nativewindow/tests/Android.bp
@@ -23,6 +23,7 @@
     default_applicable_licenses: [
         "frameworks_native_libs_nativewindow_license",
     ],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_test {
diff --git a/libs/nativewindow/tests/benchmark/Android.bp b/libs/nativewindow/tests/benchmark/Android.bp
index 6f844cf..b815d80 100644
--- a/libs/nativewindow/tests/benchmark/Android.bp
+++ b/libs/nativewindow/tests/benchmark/Android.bp
@@ -12,6 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
+}
+
 cc_defaults {
     name: "nativewindow_benchmark_defaults_cc",
     shared_libs: ["libnativewindow"],
diff --git a/libs/renderengine/Android.bp b/libs/renderengine/Android.bp
index fd45840..b501d40 100644
--- a/libs/renderengine/Android.bp
+++ b/libs/renderengine/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_defaults {
diff --git a/libs/renderengine/benchmark/Android.bp b/libs/renderengine/benchmark/Android.bp
index 87e21c2..e1a6f6a 100644
--- a/libs/renderengine/benchmark/Android.bp
+++ b/libs/renderengine/benchmark/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_benchmark {
diff --git a/libs/renderengine/tests/Android.bp b/libs/renderengine/tests/Android.bp
index 473e1d4..0eea187 100644
--- a/libs/renderengine/tests/Android.bp
+++ b/libs/renderengine/tests/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_test {
diff --git a/libs/shaders/Android.bp b/libs/shaders/Android.bp
index 960f845..82fbfda 100644
--- a/libs/shaders/Android.bp
+++ b/libs/shaders/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_library_static {
diff --git a/libs/shaders/tests/Android.bp b/libs/shaders/tests/Android.bp
index 5639d74..2103679 100644
--- a/libs/shaders/tests/Android.bp
+++ b/libs/shaders/tests/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_test {
diff --git a/libs/tonemap/Android.bp b/libs/tonemap/Android.bp
index 8c8815d..d569ac3 100644
--- a/libs/tonemap/Android.bp
+++ b/libs/tonemap/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_library_static {
diff --git a/libs/tonemap/tests/Android.bp b/libs/tonemap/tests/Android.bp
index 5c5fc6c..79ee7c2 100644
--- a/libs/tonemap/tests/Android.bp
+++ b/libs/tonemap/tests/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_test {
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index ec0ab4e..9cb298a 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -14,6 +14,7 @@
 
 package {
     default_applicable_licenses: ["frameworks_native_libs_ui_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 // Added automatically by a large-scale-change
diff --git a/libs/ui/tests/Android.bp b/libs/ui/tests/Android.bp
index 9a20215..2d8a1e3 100644
--- a/libs/ui/tests/Android.bp
+++ b/libs/ui/tests/Android.bp
@@ -21,6 +21,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_libs_ui_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_test {
diff --git a/libs/ui/tools/Android.bp b/libs/ui/tools/Android.bp
index 5d6070c..cc233b9 100644
--- a/libs/ui/tools/Android.bp
+++ b/libs/ui/tools/Android.bp
@@ -21,6 +21,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_libs_ui_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_defaults {
diff --git a/libs/vibrator/ExternalVibration.cpp b/libs/vibrator/ExternalVibration.cpp
index 80e911c..c97e496 100644
--- a/libs/vibrator/ExternalVibration.cpp
+++ b/libs/vibrator/ExternalVibration.cpp
@@ -17,7 +17,7 @@
 #include <vibrator/ExternalVibration.h>
 #include <vibrator/ExternalVibrationUtils.h>
 
-#include <android/os/IExternalVibratorService.h>
+#include <android/os/ExternalVibrationScale.h>
 #include <binder/Parcel.h>
 #include <log/log.h>
 #include <utils/Errors.h>
@@ -65,24 +65,36 @@
     return mToken == rhs.mToken;
 }
 
-os::HapticScale ExternalVibration::externalVibrationScaleToHapticScale(int externalVibrationScale) {
-    switch (externalVibrationScale) {
-        case IExternalVibratorService::SCALE_MUTE:
-            return os::HapticScale::MUTE;
-        case IExternalVibratorService::SCALE_VERY_LOW:
-            return os::HapticScale::VERY_LOW;
-        case IExternalVibratorService::SCALE_LOW:
-            return os::HapticScale::LOW;
-        case IExternalVibratorService::SCALE_NONE:
-            return os::HapticScale::NONE;
-        case IExternalVibratorService::SCALE_HIGH:
-            return os::HapticScale::HIGH;
-        case IExternalVibratorService::SCALE_VERY_HIGH:
-            return os::HapticScale::VERY_HIGH;
+os::HapticScale ExternalVibration::externalVibrationScaleToHapticScale(
+        os::ExternalVibrationScale externalVibrationScale) {
+    os::HapticLevel scaleLevel = os::HapticLevel::NONE;
+
+    switch (externalVibrationScale.scaleLevel) {
+        case os::ExternalVibrationScale::ScaleLevel::SCALE_MUTE:
+            scaleLevel = os::HapticLevel::MUTE;
+            break;
+        case os::ExternalVibrationScale::ScaleLevel::SCALE_VERY_LOW:
+            scaleLevel = os::HapticLevel::VERY_LOW;
+            break;
+        case os::ExternalVibrationScale::ScaleLevel::SCALE_LOW:
+            scaleLevel = os::HapticLevel::LOW;
+            break;
+        case os::ExternalVibrationScale::ScaleLevel::SCALE_NONE:
+            scaleLevel = os::HapticLevel::NONE;
+            break;
+        case os::ExternalVibrationScale::ScaleLevel::SCALE_HIGH:
+            scaleLevel = os::HapticLevel::HIGH;
+            break;
+        case os::ExternalVibrationScale::ScaleLevel::SCALE_VERY_HIGH:
+            scaleLevel = os::HapticLevel::VERY_HIGH;
+            break;
         default:
-          ALOGE("Unknown ExternalVibrationScale %d, not applying scaling", externalVibrationScale);
-          return os::HapticScale::NONE;
-      }
+            ALOGE("Unknown ExternalVibrationScale %d, not applying scaling",
+                  externalVibrationScale.scaleLevel);
+    }
+
+    return {/*level=*/scaleLevel, /*adaptiveScaleFactor=*/
+                      externalVibrationScale.adaptiveHapticsScale};
 }
 
 } // namespace os
diff --git a/libs/vibrator/ExternalVibrationUtils.cpp b/libs/vibrator/ExternalVibrationUtils.cpp
index 980b08b..761ac1b 100644
--- a/libs/vibrator/ExternalVibrationUtils.cpp
+++ b/libs/vibrator/ExternalVibrationUtils.cpp
@@ -26,30 +26,30 @@
 static constexpr float HAPTIC_SCALE_LOW_RATIO = 3.0f / 4.0f;
 static constexpr float HAPTIC_MAX_AMPLITUDE_FLOAT = 1.0f;
 
-float getHapticScaleGamma(HapticScale scale) {
-    switch (scale) {
-    case HapticScale::VERY_LOW:
+float getHapticScaleGamma(HapticLevel level) {
+    switch (level) {
+    case HapticLevel::VERY_LOW:
         return 2.0f;
-    case HapticScale::LOW:
+    case HapticLevel::LOW:
         return 1.5f;
-    case HapticScale::HIGH:
+    case HapticLevel::HIGH:
         return 0.5f;
-    case HapticScale::VERY_HIGH:
+    case HapticLevel::VERY_HIGH:
         return 0.25f;
     default:
         return 1.0f;
     }
 }
 
-float getHapticMaxAmplitudeRatio(HapticScale scale) {
-    switch (scale) {
-    case HapticScale::VERY_LOW:
+float getHapticMaxAmplitudeRatio(HapticLevel level) {
+    switch (level) {
+    case HapticLevel::VERY_LOW:
         return HAPTIC_SCALE_VERY_LOW_RATIO;
-    case HapticScale::LOW:
+    case HapticLevel::LOW:
         return HAPTIC_SCALE_LOW_RATIO;
-    case HapticScale::NONE:
-    case HapticScale::HIGH:
-    case HapticScale::VERY_HIGH:
+    case HapticLevel::NONE:
+    case HapticLevel::HIGH:
+    case HapticLevel::VERY_HIGH:
         return 1.0f;
     default:
         return 0.0f;
@@ -57,19 +57,28 @@
 }
 
 void applyHapticScale(float* buffer, size_t length, HapticScale scale) {
-    if (scale == HapticScale::MUTE) {
+    if (scale.isScaleMute()) {
         memset(buffer, 0, length * sizeof(float));
         return;
     }
-    if (scale == HapticScale::NONE) {
+    if (scale.isScaleNone()) {
         return;
     }
-    float gamma = getHapticScaleGamma(scale);
-    float maxAmplitudeRatio = getHapticMaxAmplitudeRatio(scale);
+    HapticLevel hapticLevel = scale.getLevel();
+    float adaptiveScaleFactor = scale.getAdaptiveScaleFactor();
+    float gamma = getHapticScaleGamma(hapticLevel);
+    float maxAmplitudeRatio = getHapticMaxAmplitudeRatio(hapticLevel);
+
     for (size_t i = 0; i < length; i++) {
-        float sign = buffer[i] >= 0 ? 1.0 : -1.0;
-        buffer[i] = powf(fabsf(buffer[i] / HAPTIC_MAX_AMPLITUDE_FLOAT), gamma)
-                * maxAmplitudeRatio * HAPTIC_MAX_AMPLITUDE_FLOAT * sign;
+        if (hapticLevel != HapticLevel::NONE) {
+            float sign = buffer[i] >= 0 ? 1.0 : -1.0;
+            buffer[i] = powf(fabsf(buffer[i] / HAPTIC_MAX_AMPLITUDE_FLOAT), gamma)
+                        * maxAmplitudeRatio * HAPTIC_MAX_AMPLITUDE_FLOAT * sign;
+        }
+
+        if (adaptiveScaleFactor != 1.0f) {
+            buffer[i] *= adaptiveScaleFactor;
+        }
     }
 }
 
@@ -89,13 +98,13 @@
 } // namespace
 
 bool isValidHapticScale(HapticScale scale) {
-    switch (scale) {
-    case HapticScale::MUTE:
-    case HapticScale::VERY_LOW:
-    case HapticScale::LOW:
-    case HapticScale::NONE:
-    case HapticScale::HIGH:
-    case HapticScale::VERY_HIGH:
+    switch (scale.getLevel()) {
+    case HapticLevel::MUTE:
+    case HapticLevel::VERY_LOW:
+    case HapticLevel::LOW:
+    case HapticLevel::NONE:
+    case HapticLevel::HIGH:
+    case HapticLevel::VERY_HIGH:
         return true;
     }
     return false;
diff --git a/libs/vibrator/include/vibrator/ExternalVibration.h b/libs/vibrator/include/vibrator/ExternalVibration.h
index 00cd3cd..ac2767e 100644
--- a/libs/vibrator/include/vibrator/ExternalVibration.h
+++ b/libs/vibrator/include/vibrator/ExternalVibration.h
@@ -24,6 +24,7 @@
 #include <system/audio.h>
 #include <utils/RefBase.h>
 #include <vibrator/ExternalVibrationUtils.h>
+#include <android/os/ExternalVibrationScale.h>
 
 namespace android {
 namespace os {
@@ -45,10 +46,11 @@
     audio_attributes_t getAudioAttributes() const { return mAttrs; }
     sp<IExternalVibrationController> getController() { return mController; }
 
-    /* Converts the scale from non-public ExternalVibrationService into the HapticScale
+    /* Converts the scale from non-public ExternalVibrationService into the HapticScaleLevel
      * used by the utils.
      */
-    static os::HapticScale externalVibrationScaleToHapticScale(int externalVibrationScale);
+    static os::HapticScale externalVibrationScaleToHapticScale(
+            os::ExternalVibrationScale externalVibrationScale);
 
 private:
     int32_t mUid;
diff --git a/libs/vibrator/include/vibrator/ExternalVibrationUtils.h b/libs/vibrator/include/vibrator/ExternalVibrationUtils.h
index ca219d3..d9a2b81 100644
--- a/libs/vibrator/include/vibrator/ExternalVibrationUtils.h
+++ b/libs/vibrator/include/vibrator/ExternalVibrationUtils.h
@@ -19,7 +19,7 @@
 
 namespace android::os {
 
-enum class HapticScale {
+enum class HapticLevel {
     MUTE = -100,
     VERY_LOW = -2,
     LOW = -1,
@@ -28,10 +28,41 @@
     VERY_HIGH = 2,
 };
 
+class HapticScale {
+private:
+HapticLevel mLevel = HapticLevel::NONE;
+float mAdaptiveScaleFactor = 1.0f;
+
+public:
+constexpr HapticScale(HapticLevel level, float adaptiveScaleFactor)
+    : mLevel(level), mAdaptiveScaleFactor(adaptiveScaleFactor) {}
+constexpr HapticScale(HapticLevel level) : mLevel(level) {}
+constexpr HapticScale() {}
+
+HapticLevel getLevel() const { return mLevel; }
+float getAdaptiveScaleFactor() const { return mAdaptiveScaleFactor; }
+
+bool operator==(const HapticScale& other) const {
+    return mLevel == other.mLevel && mAdaptiveScaleFactor == other.mAdaptiveScaleFactor;
+}
+
+bool isScaleNone() const {
+    return mLevel == HapticLevel::NONE && mAdaptiveScaleFactor == 1.0f;
+}
+
+bool isScaleMute() const {
+    return mLevel == HapticLevel::MUTE;
+}
+
+static HapticScale mute() {
+    return {/*level=*/os::HapticLevel::MUTE};
+}
+};
+
 bool isValidHapticScale(HapticScale scale);
 
-/* Scales the haptic data in given buffer using the selected HapticScale and ensuring no absolute
- * value will be larger than the absolute of given limit.
+/* Scales the haptic data in given buffer using the selected HapticScaleLevel and ensuring no
+ * absolute value will be larger than the absolute of given limit.
  * The limit will be ignored if it is NaN or zero.
  */
 void scaleHapticData(float* buffer, size_t length, HapticScale scale, float limit);
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 71afbcc..f31884e 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -1312,6 +1312,7 @@
                 ALOGD("Received a new pointer down event, stop waiting for events to process and "
                       "just send the pending key event to the currently focused window.");
                 mKeyIsWaitingForEventsTimeout = now();
+                needWake = true;
             }
             break;
         }
diff --git a/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp b/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp
index 19788ce..797ebcc 100644
--- a/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp
+++ b/services/inputflinger/reader/mapper/gestures/GestureConverter.cpp
@@ -67,7 +67,8 @@
       : mDeviceId(deviceId),
         mReaderContext(readerContext),
         mPointerController(readerContext.getPointerController(deviceId)),
-        mEnablePointerChoreographer(input_flags::enable_pointer_choreographer()) {
+        mEnablePointerChoreographer(input_flags::enable_pointer_choreographer()),
+        mEnableFlingStop(input_flags::enable_touchpad_fling_stop()) {
     deviceContext.getAbsoluteAxisInfo(ABS_MT_POSITION_X, &mXAxisInfo);
     deviceContext.getAbsoluteAxisInfo(ABS_MT_POSITION_Y, &mYAxisInfo);
 }
@@ -400,20 +401,55 @@
                 // ensure consistency between touchscreen and touchpad flings), so we're just using
                 // the "start fling" gestures as a marker for the end of a two-finger scroll
                 // gesture.
+                mFlingMayBeInProgress = true;
                 return endScroll(when, readTime);
             }
             break;
         case GESTURES_FLING_TAP_DOWN:
             if (mCurrentClassification == MotionClassification::NONE) {
-                // Use the tap down state of a fling gesture as an indicator that a contact
-                // has been initiated with the touchpad. We treat this as a move event with zero
-                // magnitude, which will also result in the pointer icon being updated.
-                // TODO(b/282023644): Add a signal in libgestures for when a stable contact has been
-                //  initiated with a touchpad.
-                return handleMove(when, readTime, gestureStartTime,
-                                  Gesture(kGestureMove, gesture.start_time, gesture.end_time,
-                                          /*dx=*/0.f,
-                                          /*dy=*/0.f));
+                if (mEnableFlingStop && mFlingMayBeInProgress) {
+                    // The user has just touched the pad again after ending a two-finger scroll
+                    // motion, which might have started a fling. We want to stop the fling, but
+                    // unfortunately there's currently no API for doing so. Instead, send and
+                    // immediately cancel a fake finger to cause the scrolling to stop and hopefully
+                    // avoid side effects (e.g. activation of UI elements).
+                    // TODO(b/326056750): add an API for fling stops.
+                    mFlingMayBeInProgress = false;
+                    const auto [xCursorPosition, yCursorPosition] = mEnablePointerChoreographer
+                            ? FloatPoint{0, 0}
+                            : mPointerController->getPosition();
+                    PointerCoords coords;
+                    coords.clear();
+                    coords.setAxisValue(AMOTION_EVENT_AXIS_X, xCursorPosition);
+                    coords.setAxisValue(AMOTION_EVENT_AXIS_Y, yCursorPosition);
+                    coords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_X, 0);
+                    coords.setAxisValue(AMOTION_EVENT_AXIS_RELATIVE_Y, 0);
+
+                    std::list<NotifyArgs> out;
+                    mDownTime = when;
+                    out += exitHover(when, readTime, xCursorPosition, yCursorPosition);
+                    // TODO(b/281106755): add a MotionClassification value for fling stops.
+                    out.push_back(makeMotionArgs(when, readTime, AMOTION_EVENT_ACTION_DOWN,
+                                                 /*actionButton=*/0, /*buttonState=*/0,
+                                                 /*pointerCount=*/1, &coords, xCursorPosition,
+                                                 yCursorPosition));
+                    out.push_back(makeMotionArgs(when, readTime, AMOTION_EVENT_ACTION_CANCEL,
+                                                 /*actionButton=*/0, /*buttonState=*/0,
+                                                 /*pointerCount=*/1, &coords, xCursorPosition,
+                                                 yCursorPosition));
+                    out += enterHover(when, readTime, xCursorPosition, yCursorPosition);
+                    return out;
+                } else {
+                    // Use the tap down state of a fling gesture as an indicator that a contact
+                    // has been initiated with the touchpad. We treat this as a move event with zero
+                    // magnitude, which will also result in the pointer icon being updated.
+                    // TODO(b/282023644): Add a signal in libgestures for when a stable contact has
+                    //  been initiated with a touchpad.
+                    return handleMove(when, readTime, gestureStartTime,
+                                      Gesture(kGestureMove, gesture.start_time, gesture.end_time,
+                                              /*dx=*/0.f,
+                                              /*dy=*/0.f));
+                }
             }
             break;
         default:
diff --git a/services/inputflinger/reader/mapper/gestures/GestureConverter.h b/services/inputflinger/reader/mapper/gestures/GestureConverter.h
index 07cc56c..ffab039 100644
--- a/services/inputflinger/reader/mapper/gestures/GestureConverter.h
+++ b/services/inputflinger/reader/mapper/gestures/GestureConverter.h
@@ -106,6 +106,7 @@
     InputReaderContext& mReaderContext;
     std::shared_ptr<PointerControllerInterface> mPointerController;
     const bool mEnablePointerChoreographer;
+    const bool mEnableFlingStop;
 
     std::optional<int32_t> mDisplayId;
     FloatRect mBoundsInLogicalDisplay{};
@@ -120,6 +121,9 @@
     // Whether we are currently in a hover state (i.e. a HOVER_ENTER event has been sent without a
     // matching HOVER_EXIT).
     bool mIsHovering = false;
+    // Whether we've received a "fling start" gesture (i.e. the end of a scroll) but no "fling tap
+    // down" gesture to match it yet.
+    bool mFlingMayBeInProgress = false;
 
     MotionClassification mCurrentClassification = MotionClassification::NONE;
     // Only used when mCurrentClassification is MULTI_FINGER_SWIPE.
diff --git a/services/inputflinger/tests/GestureConverter_test.cpp b/services/inputflinger/tests/GestureConverter_test.cpp
index dd88165..ca9ef8e 100644
--- a/services/inputflinger/tests/GestureConverter_test.cpp
+++ b/services/inputflinger/tests/GestureConverter_test.cpp
@@ -1167,6 +1167,38 @@
     ASSERT_TRUE(mFakePointerController->isPointerShown());
 }
 
+TEST_F(GestureConverterTest, FlingTapDownAfterScrollStopsFling) {
+    InputDeviceContext deviceContext(*mDevice, EVENTHUB_ID);
+    input_flags::enable_touchpad_fling_stop(true);
+    GestureConverter converter(*mReader->getContext(), deviceContext, DEVICE_ID);
+    converter.setDisplayId(ADISPLAY_ID_DEFAULT);
+
+    Gesture scrollGesture(kGestureScroll, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, 0, -10);
+    std::list<NotifyArgs> args =
+            converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, scrollGesture);
+    Gesture flingGesture(kGestureFling, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, 1, 1,
+                         GESTURES_FLING_START);
+    args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, flingGesture);
+
+    Gesture tapDownGesture(kGestureFling, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME,
+                           /*vx=*/0.f, /*vy=*/0.f, GESTURES_FLING_TAP_DOWN);
+    args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, tapDownGesture);
+    ASSERT_THAT(args,
+                ElementsAre(VariantWith<NotifyMotionArgs>(
+                                    WithMotionAction(AMOTION_EVENT_ACTION_HOVER_EXIT)),
+                            VariantWith<NotifyMotionArgs>(
+                                    WithMotionAction(AMOTION_EVENT_ACTION_DOWN)),
+                            VariantWith<NotifyMotionArgs>(
+                                    WithMotionAction(AMOTION_EVENT_ACTION_CANCEL)),
+                            VariantWith<NotifyMotionArgs>(
+                                    AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER),
+                                          WithMotionClassification(MotionClassification::NONE)))));
+    ASSERT_THAT(args,
+                Each(VariantWith<NotifyMotionArgs>(AllOf(WithCoords(POINTER_X, POINTER_Y),
+                                                         WithToolType(ToolType::FINGER),
+                                                         WithDisplayId(ADISPLAY_ID_DEFAULT)))));
+}
+
 TEST_F(GestureConverterTest, Tap) {
     // Tap should produce button press/release events
     InputDeviceContext deviceContext(*mDevice, EVENTHUB_ID);
@@ -2556,6 +2588,38 @@
                       WithButtonState(0), WithPressure(0.0f), WithDisplayId(ADISPLAY_ID_DEFAULT)));
 }
 
+TEST_F(GestureConverterTestWithChoreographer, FlingTapDownAfterScrollStopsFling) {
+    InputDeviceContext deviceContext(*mDevice, EVENTHUB_ID);
+    input_flags::enable_touchpad_fling_stop(true);
+    GestureConverter converter(*mReader->getContext(), deviceContext, DEVICE_ID);
+    converter.setDisplayId(ADISPLAY_ID_DEFAULT);
+
+    Gesture scrollGesture(kGestureScroll, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, 0, -10);
+    std::list<NotifyArgs> args =
+            converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, scrollGesture);
+    Gesture flingGesture(kGestureFling, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME, 1, 1,
+                         GESTURES_FLING_START);
+    args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, flingGesture);
+
+    Gesture tapDownGesture(kGestureFling, ARBITRARY_GESTURE_TIME, ARBITRARY_GESTURE_TIME,
+                           /*vx=*/0.f, /*vy=*/0.f, GESTURES_FLING_TAP_DOWN);
+    args = converter.handleGesture(ARBITRARY_TIME, READ_TIME, ARBITRARY_TIME, tapDownGesture);
+    ASSERT_THAT(args,
+                ElementsAre(VariantWith<NotifyMotionArgs>(
+                                    WithMotionAction(AMOTION_EVENT_ACTION_HOVER_EXIT)),
+                            VariantWith<NotifyMotionArgs>(
+                                    WithMotionAction(AMOTION_EVENT_ACTION_DOWN)),
+                            VariantWith<NotifyMotionArgs>(
+                                    WithMotionAction(AMOTION_EVENT_ACTION_CANCEL)),
+                            VariantWith<NotifyMotionArgs>(
+                                    AllOf(WithMotionAction(AMOTION_EVENT_ACTION_HOVER_ENTER),
+                                          WithMotionClassification(MotionClassification::NONE)))));
+    ASSERT_THAT(args,
+                Each(VariantWith<NotifyMotionArgs>(AllOf(WithCoords(0, 0),
+                                                         WithToolType(ToolType::FINGER),
+                                                         WithDisplayId(ADISPLAY_ID_DEFAULT)))));
+}
+
 TEST_F(GestureConverterTestWithChoreographer, Tap) {
     // Tap should produce button press/release events
     InputDeviceContext deviceContext(*mDevice, EVENTHUB_ID);
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index 476f755..835f8b8 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -58,6 +58,7 @@
 using namespace ftl::flag_operators;
 using testing::AllOf;
 using std::chrono_literals::operator""ms;
+using std::chrono_literals::operator""s;
 
 // Arbitrary display properties.
 static constexpr int32_t DISPLAY_ID = 0;
@@ -149,7 +150,7 @@
     std::istringstream iss(dump);
     for (std::string line; std::getline(iss, line);) {
         ALOGE("%s", line.c_str());
-        std::this_thread::sleep_for(std::chrono::milliseconds(1));
+        std::this_thread::sleep_for(1ms);
     }
 }
 
@@ -1374,13 +1375,23 @@
         mFakePolicy.clear();
     }
 
-    std::optional<InputDeviceInfo> findDeviceByName(const std::string& name) {
-        const std::vector<InputDeviceInfo> inputDevices = mFakePolicy->getInputDevices();
-        const auto& it = std::find_if(inputDevices.begin(), inputDevices.end(),
-                                      [&name](const InputDeviceInfo& info) {
-                                          return info.getIdentifier().name == name;
-                                      });
-        return it != inputDevices.end() ? std::make_optional(*it) : std::nullopt;
+    std::optional<InputDeviceInfo> waitForDevice(const std::string& deviceName) {
+        std::chrono::time_point start = std::chrono::steady_clock::now();
+        while (true) {
+            const std::vector<InputDeviceInfo> inputDevices = mFakePolicy->getInputDevices();
+            const auto& it = std::find_if(inputDevices.begin(), inputDevices.end(),
+                                          [&deviceName](const InputDeviceInfo& info) {
+                                              return info.getIdentifier().name == deviceName;
+                                          });
+            if (it != inputDevices.end()) {
+                return std::make_optional(*it);
+            }
+            std::this_thread::sleep_for(1ms);
+            std::chrono::duration elapsed = std::chrono::steady_clock::now() - start;
+            if (elapsed > 5s) {
+                return {};
+            }
+        }
     }
 
     void setupInputReader() {
@@ -1433,7 +1444,7 @@
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
     ASSERT_EQ(initialNumDevices + 1, mFakePolicy->getInputDevices().size());
 
-    const auto device = findDeviceByName(keyboard->getName());
+    const auto device = waitForDevice(keyboard->getName());
     ASSERT_TRUE(device.has_value());
     ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, device->getKeyboardType());
     ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, device->getSources());
@@ -1476,7 +1487,7 @@
     std::unique_ptr<UinputExternalStylus> stylus = createUinputDevice<UinputExternalStylus>();
     ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
 
-    const auto device = findDeviceByName(stylus->getName());
+    const auto device = waitForDevice(stylus->getName());
     ASSERT_TRUE(device.has_value());
 
     // An external stylus with buttons should also be recognized as a keyboard.
@@ -1516,7 +1527,7 @@
                                                                           BTN_STYLUS3});
     ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
 
-    const auto device = findDeviceByName(keyboard->getName());
+    const auto device = waitForDevice(keyboard->getName());
     ASSERT_TRUE(device.has_value());
 
     // An alphabetical keyboard that reports stylus buttons should not be recognized as a stylus.
@@ -1533,7 +1544,7 @@
                     std::initializer_list<int>{KEY_VOLUMEUP, KEY_VOLUMEDOWN});
     ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
 
-    const auto device = findDeviceByName(keyboard->getName());
+    const auto device = waitForDevice(keyboard->getName());
     ASSERT_TRUE(device.has_value());
 
     ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, device->getSources())
@@ -1587,7 +1598,7 @@
         mDevice = createUinputDevice<UinputTouchScreen>(Rect(0, 0, DISPLAY_WIDTH, DISPLAY_HEIGHT));
         ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
         ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
-        const auto info = findDeviceByName(mDevice->getName());
+        const auto info = waitForDevice(mDevice->getName());
         ASSERT_TRUE(info);
         mDeviceInfo = *info;
     }
@@ -1658,7 +1669,7 @@
                                      ViewportType::INTERNAL);
         ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
         ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
-        const auto info = findDeviceByName(mDevice->getName());
+        const auto info = waitForDevice(mDevice->getName());
         ASSERT_TRUE(info);
         mDeviceInfo = *info;
     }
@@ -1991,7 +2002,7 @@
     auto externalStylus = createUinputDevice<UinputExternalStylus>();
     ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
-    const auto stylusInfo = findDeviceByName(externalStylus->getName());
+    const auto stylusInfo = waitForDevice(externalStylus->getName());
     ASSERT_TRUE(stylusInfo);
 
     // Move
@@ -2062,7 +2073,7 @@
         mStylus = mStylusDeviceLifecycleTracker.get();
         ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
         ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
-        const auto info = findDeviceByName(mStylus->getName());
+        const auto info = waitForDevice(mStylus->getName());
         ASSERT_TRUE(info);
         mStylusInfo = *info;
     }
@@ -2332,11 +2343,11 @@
             createUinputDevice<UinputExternalStylusWithPressure>();
     ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
-    const auto stylusInfo = findDeviceByName(stylus->getName());
+    const auto stylusInfo = waitForDevice(stylus->getName());
     ASSERT_TRUE(stylusInfo);
 
     // Connecting an external stylus changes the source of the touchscreen.
-    const auto deviceInfo = findDeviceByName(mDevice->getName());
+    const auto deviceInfo = waitForDevice(mDevice->getName());
     ASSERT_TRUE(deviceInfo);
     ASSERT_TRUE(isFromSource(deviceInfo->getSources(), STYLUS_FUSION_SOURCE));
 }
@@ -2350,7 +2361,7 @@
             createUinputDevice<UinputExternalStylusWithPressure>();
     ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
-    const auto stylusInfo = findDeviceByName(stylus->getName());
+    const auto stylusInfo = waitForDevice(stylus->getName());
     ASSERT_TRUE(stylusInfo);
 
     ASSERT_EQ(AINPUT_SOURCE_STYLUS | AINPUT_SOURCE_KEYBOARD, stylusInfo->getSources());
@@ -2396,7 +2407,7 @@
             createUinputDevice<UinputExternalStylusWithPressure>();
     ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
-    const auto stylusInfo = findDeviceByName(stylus->getName());
+    const auto stylusInfo = waitForDevice(stylus->getName());
     ASSERT_TRUE(stylusInfo);
 
     ASSERT_EQ(AINPUT_SOURCE_STYLUS | AINPUT_SOURCE_KEYBOARD, stylusInfo->getSources());
@@ -2476,7 +2487,7 @@
     std::unique_ptr<UinputExternalStylus> stylus = createUinputDevice<UinputExternalStylus>();
     ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
-    const auto stylusInfo = findDeviceByName(stylus->getName());
+    const auto stylusInfo = waitForDevice(stylus->getName());
     ASSERT_TRUE(stylusInfo);
 
     ASSERT_EQ(AINPUT_SOURCE_STYLUS | AINPUT_SOURCE_KEYBOARD, stylusInfo->getSources());
diff --git a/services/powermanager/benchmarks/PowerHalAidlBenchmarks.cpp b/services/powermanager/benchmarks/PowerHalAidlBenchmarks.cpp
index 759485f..61ab47a 100644
--- a/services/powermanager/benchmarks/PowerHalAidlBenchmarks.cpp
+++ b/services/powermanager/benchmarks/PowerHalAidlBenchmarks.cpp
@@ -70,12 +70,14 @@
 
     if (hal == nullptr) {
         ALOGV("Power HAL not available, skipping test...");
+        state.SkipWithMessage("Power HAL unavailable");
         return;
     }
 
     ndk::ScopedAStatus ret = (*hal.*fn)(std::forward<Args1>(args1)...);
     if (ret.getExceptionCode() == binder::Status::EX_UNSUPPORTED_OPERATION) {
         ALOGV("Power HAL does not support this operation, skipping test...");
+        state.SkipWithMessage("operation unsupported");
         return;
     }
 
@@ -97,6 +99,7 @@
 
     if (hal == nullptr) {
         ALOGV("Power HAL not available, skipping test...");
+        state.SkipWithMessage("Power HAL unavailable");
         return;
     }
 
@@ -109,12 +112,14 @@
 
     if (session == nullptr) {
         ALOGV("Power HAL doesn't support session, skipping test...");
+        state.SkipWithMessage("operation unsupported");
         return;
     }
 
     ndk::ScopedAStatus ret = (*session.*fn)(std::forward<Args1>(args1)...);
     if (ret.getExceptionCode() == binder::Status::EX_UNSUPPORTED_OPERATION) {
         ALOGV("Power HAL does not support this operation, skipping test...");
+        state.SkipWithMessage("operation unsupported");
         return;
     }
 
@@ -163,6 +168,7 @@
 
     if (hal == nullptr) {
         ALOGV("Power HAL not available, skipping test...");
+        state.SkipWithMessage("Power HAL unavailable");
         return;
     }
 
@@ -170,6 +176,7 @@
             hal->createHintSession(tgid, uid, threadIds, durationNanos, &appSession);
     if (ret.getExceptionCode() == binder::Status::EX_UNSUPPORTED_OPERATION) {
         ALOGV("Power HAL does not support this operation, skipping test...");
+        state.SkipWithMessage("operation unsupported");
         return;
     }
 
diff --git a/services/powermanager/benchmarks/PowerHalHidlBenchmarks.cpp b/services/powermanager/benchmarks/PowerHalHidlBenchmarks.cpp
index 111b5d7..bcb376b 100644
--- a/services/powermanager/benchmarks/PowerHalHidlBenchmarks.cpp
+++ b/services/powermanager/benchmarks/PowerHalHidlBenchmarks.cpp
@@ -50,6 +50,7 @@
 
     if (hal == nullptr) {
         ALOGV("Power HAL HIDL not available, skipping test...");
+        state.SkipWithMessage("Power HAL unavailable");
         return;
     }
 
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index dcef9a3..6a0ea22 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 aconfig_declarations {
diff --git a/services/surfaceflinger/CompositionEngine/Android.bp b/services/surfaceflinger/CompositionEngine/Android.bp
index ae2f2db..0b01c66 100644
--- a/services/surfaceflinger/CompositionEngine/Android.bp
+++ b/services/surfaceflinger/CompositionEngine/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_defaults {
diff --git a/services/surfaceflinger/FrameTimeline/Android.bp b/services/surfaceflinger/FrameTimeline/Android.bp
index 29c9432..8e28cc3 100644
--- a/services/surfaceflinger/FrameTimeline/Android.bp
+++ b/services/surfaceflinger/FrameTimeline/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_library_static {
diff --git a/services/surfaceflinger/Scheduler/Android.bp b/services/surfaceflinger/Scheduler/Android.bp
index d714848..16776cf 100644
--- a/services/surfaceflinger/Scheduler/Android.bp
+++ b/services/surfaceflinger/Scheduler/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_defaults {
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 4344494..ecb266d 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -233,31 +233,25 @@
 }
 
 std::chrono::milliseconds getIdleTimerTimeout(DisplayId displayId) {
-    const auto displayIdleTimerMsKey = [displayId] {
-        std::stringstream ss;
-        ss << "debug.sf.set_idle_timer_ms_" << displayId.value;
-        return ss.str();
-    }();
-
-    const int32_t displayIdleTimerMs = base::GetIntProperty(displayIdleTimerMsKey, 0);
-    if (displayIdleTimerMs > 0) {
+    if (const int32_t displayIdleTimerMs =
+                base::GetIntProperty("debug.sf.set_idle_timer_ms_"s +
+                                             std::to_string(displayId.value),
+                                     0);
+        displayIdleTimerMs > 0) {
         return std::chrono::milliseconds(displayIdleTimerMs);
     }
 
-    const int32_t setIdleTimerMs = base::GetIntProperty("debug.sf.set_idle_timer_ms", 0);
+    const int32_t setIdleTimerMs = base::GetIntProperty("debug.sf.set_idle_timer_ms"s, 0);
     const int32_t millis = setIdleTimerMs ? setIdleTimerMs : sysprop::set_idle_timer_ms(0);
     return std::chrono::milliseconds(millis);
 }
 
 bool getKernelIdleTimerSyspropConfig(DisplayId displayId) {
-    const auto displaySupportKernelIdleTimerKey = [displayId] {
-        std::stringstream ss;
-        ss << "debug.sf.support_kernel_idle_timer_" << displayId.value;
-        return ss.str();
-    }();
+    const bool displaySupportKernelIdleTimer =
+            base::GetBoolProperty("debug.sf.support_kernel_idle_timer_"s +
+                                          std::to_string(displayId.value),
+                                  false);
 
-    const auto displaySupportKernelIdleTimer =
-            base::GetBoolProperty(displaySupportKernelIdleTimerKey, false);
     return displaySupportKernelIdleTimer || sysprop::support_kernel_idle_timer(false);
 }
 
@@ -467,11 +461,10 @@
     wideColorGamutCompositionPixelFormat =
             static_cast<ui::PixelFormat>(wcg_composition_pixel_format(ui::PixelFormat::RGBA_8888));
 
-    mLayerCachingEnabled = [] {
-        const bool enable =
-                android::sysprop::SurfaceFlingerProperties::enable_layer_caching().value_or(false);
-        return base::GetBoolProperty(std::string("debug.sf.enable_layer_caching"), enable);
-    }();
+    mLayerCachingEnabled =
+            base::GetBoolProperty("debug.sf.enable_layer_caching"s,
+                                  sysprop::SurfaceFlingerProperties::enable_layer_caching()
+                                          .value_or(false));
 
     useContextPriority = use_context_priority(true);
 
@@ -3570,10 +3563,10 @@
         const auto enableFrameRateOverride = sysprop::enable_frame_rate_override(true)
                 ? Config::FrameRateOverride::Enabled
                 : Config::FrameRateOverride::Disabled;
-        Config config =
+        const Config config =
                 {.enableFrameRateOverride = enableFrameRateOverride,
                  .frameRateMultipleThreshold =
-                         base::GetIntProperty("debug.sf.frame_rate_multiple_threshold", 0),
+                         base::GetIntProperty("debug.sf.frame_rate_multiple_threshold"s, 0),
                  .idleTimerTimeout = idleTimerTimeoutMs,
                  .kernelIdleTimerController = kernelIdleTimerController};
 
@@ -7692,7 +7685,7 @@
 
 status_t SurfaceFlinger::setSchedAttr(bool enabled) {
     static const unsigned int kUclampMin =
-            base::GetUintProperty<unsigned int>("ro.surface_flinger.uclamp.min", 0U);
+            base::GetUintProperty<unsigned int>("ro.surface_flinger.uclamp.min"s, 0U);
 
     if (!kUclampMin) {
         // uclamp.min set to 0 (default), skip setting
diff --git a/services/surfaceflinger/TimeStats/Android.bp b/services/surfaceflinger/TimeStats/Android.bp
index c3141be..a631074 100644
--- a/services/surfaceflinger/TimeStats/Android.bp
+++ b/services/surfaceflinger/TimeStats/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_defaults {
diff --git a/services/surfaceflinger/TimeStats/timestatsatomsproto/Android.bp b/services/surfaceflinger/TimeStats/timestatsatomsproto/Android.bp
index 0cf086f..be65510 100644
--- a/services/surfaceflinger/TimeStats/timestatsatomsproto/Android.bp
+++ b/services/surfaceflinger/TimeStats/timestatsatomsproto/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_library {
@@ -33,4 +34,4 @@
         "-Wno-undef",
         "-Wno-unused-parameter",
     ],
-}
\ No newline at end of file
+}
diff --git a/services/surfaceflinger/TimeStats/timestatsproto/Android.bp b/services/surfaceflinger/TimeStats/timestatsproto/Android.bp
index 972edaa..e097da3 100644
--- a/services/surfaceflinger/TimeStats/timestatsproto/Android.bp
+++ b/services/surfaceflinger/TimeStats/timestatsproto/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_library {
diff --git a/services/surfaceflinger/Tracing/tools/Android.bp b/services/surfaceflinger/Tracing/tools/Android.bp
index 2ff09c3..8afca41 100644
--- a/services/surfaceflinger/Tracing/tools/Android.bp
+++ b/services/surfaceflinger/Tracing/tools/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_binary {
diff --git a/services/surfaceflinger/common/Android.bp b/services/surfaceflinger/common/Android.bp
index e125bbe..f2ff00b 100644
--- a/services/surfaceflinger/common/Android.bp
+++ b/services/surfaceflinger/common/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_defaults {
diff --git a/services/surfaceflinger/fuzzer/Android.bp b/services/surfaceflinger/fuzzer/Android.bp
index 33bfe8a..ae502cf 100644
--- a/services/surfaceflinger/fuzzer/Android.bp
+++ b/services/surfaceflinger/fuzzer/Android.bp
@@ -22,6 +22,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_defaults {
diff --git a/services/surfaceflinger/layerproto/Android.bp b/services/surfaceflinger/layerproto/Android.bp
index a4dc8a0..f77b137 100644
--- a/services/surfaceflinger/layerproto/Android.bp
+++ b/services/surfaceflinger/layerproto/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_library {
diff --git a/services/surfaceflinger/sysprop/Android.bp b/services/surfaceflinger/sysprop/Android.bp
index f579119..4ea00cc 100644
--- a/services/surfaceflinger/sysprop/Android.bp
+++ b/services/surfaceflinger/sysprop/Android.bp
@@ -5,6 +5,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 sysprop_library {
diff --git a/services/surfaceflinger/tests/Android.bp b/services/surfaceflinger/tests/Android.bp
index 5449aeb..dab0a3f 100644
--- a/services/surfaceflinger/tests/Android.bp
+++ b/services/surfaceflinger/tests/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_test {
diff --git a/services/surfaceflinger/tests/tracing/Android.bp b/services/surfaceflinger/tests/tracing/Android.bp
index aeceadb..bce1406 100644
--- a/services/surfaceflinger/tests/tracing/Android.bp
+++ b/services/surfaceflinger/tests/tracing/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_test {
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index da4e47f..f529f7c 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 filegroup {
diff --git a/services/surfaceflinger/tests/vsync/Android.bp b/services/surfaceflinger/tests/vsync/Android.bp
index bae9796..c7daa88 100644
--- a/services/surfaceflinger/tests/vsync/Android.bp
+++ b/services/surfaceflinger/tests/vsync/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_binary {
@@ -33,6 +34,6 @@
         "libgui",
         "libui",
         "libutils",
-    ]
+    ],
 
 }
diff --git a/services/surfaceflinger/tests/waitforvsync/Android.bp b/services/surfaceflinger/tests/waitforvsync/Android.bp
index ffed4d7..734fc20 100644
--- a/services/surfaceflinger/tests/waitforvsync/Android.bp
+++ b/services/surfaceflinger/tests/waitforvsync/Android.bp
@@ -19,6 +19,7 @@
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     default_applicable_licenses: ["frameworks_native_license"],
+    default_team: "trendy_team_android_core_graphics_stack",
 }
 
 cc_binary {
@@ -31,5 +32,5 @@
     ],
     shared_libs: [
         "libcutils",
-    ]
+    ],
 }