Merge changes I44a66c3b,Ieb3273f0

* changes:
  Revert^2 "libbinder: binderRpcTest on host"
  Reland libbinder: vsock support for RPC
diff --git a/cmds/installd/Android.bp b/cmds/installd/Android.bp
index cf23f8a..d09d3e8 100644
--- a/cmds/installd/Android.bp
+++ b/cmds/installd/Android.bp
@@ -189,8 +189,8 @@
         "liblog",
         "libutils",
     ],
-    static_libs: [
-        "libapexd",
+    required: [
+      "apexd"
     ],
 }
 
diff --git a/cmds/installd/otapreopt_chroot.cpp b/cmds/installd/otapreopt_chroot.cpp
index 379cf92..c04b558 100644
--- a/cmds/installd/otapreopt_chroot.cpp
+++ b/cmds/installd/otapreopt_chroot.cpp
@@ -20,6 +20,7 @@
 #include <sys/stat.h>
 #include <sys/wait.h>
 
+#include <array>
 #include <fstream>
 #include <sstream>
 
@@ -31,10 +32,6 @@
 #include <libdm/dm.h>
 #include <selinux/android.h>
 
-#include <apex_file_repository.h>
-#include <apex_constants.h>
-#include <apexd.h>
-
 #include "installd_constants.h"
 #include "otapreopt_utils.h"
 
@@ -64,47 +61,14 @@
     }
 }
 
-static std::vector<apex::ApexFile> ActivateApexPackages() {
-    // The logic here is (partially) copied and adapted from
-    // system/apex/apexd/apexd.cpp.
-    //
-    // Only scan the APEX directory under /system, /system_ext and /vendor (within the chroot dir).
-    std::vector<std::string> apex_dirs{apex::kApexPackageSystemDir, apex::kApexPackageSystemExtDir,
-                                       apex::kApexPackageVendorDir};
-    // Initialize ApexFileRepository used internally in ScanPackagesDirAndActivate.
-    // This is a quick fix to fix apex activation in otapreopt_chroot.
-    apex::ApexFileRepository::GetInstance().AddPreInstalledApex(apex_dirs);
-    for (const auto& dir : apex_dirs) {
-        // Cast call to void to suppress warn_unused_result.
-        static_cast<void>(apex::ScanPackagesDirAndActivate(dir.c_str()));
-    }
-    return apex::GetActivePackages();
-}
+static void ActivateApexPackages() {
+    std::vector<std::string> apexd_cmd{"/system/bin/apexd", "--otachroot-bootstrap"};
+    std::string apexd_error_msg;
 
-static void CreateApexInfoList(const std::vector<apex::ApexFile>& apex_files) {
-    // Setup the apex-info-list.xml file
-    const std::string apex_info_file = std::string(apex::kApexRoot) + "/" + apex::kApexInfoList;
-    std::fstream xml(apex_info_file.c_str(), std::ios::out | std::ios::trunc);
-    if (!xml.is_open()) {
-        PLOG(ERROR) << "Failed to open " << apex_info_file;
-        exit(216);
-    }
-
-    // we do not care about inactive apexs
-    std::vector<apex::ApexFile> inactive;
-    apex::CollectApexInfoList(xml, apex_files, inactive);
-    xml.flush();
-    xml.close();
-}
-
-static void DeactivateApexPackages(const std::vector<apex::ApexFile>& active_packages) {
-    for (const apex::ApexFile& apex_file : active_packages) {
-        const std::string& package_path = apex_file.GetPath();
-        base::Result<void> status = apex::DeactivatePackage(package_path);
-        if (!status.ok()) {
-            LOG(ERROR) << "Failed to deactivate " << package_path << ": "
-                       << status.error();
-        }
+    bool exec_result = Exec(apexd_cmd, &apexd_error_msg);
+    if (!exec_result) {
+        PLOG(ERROR) << "Running otapreopt failed: " << apexd_error_msg;
+        exit(220);
     }
 }
 
@@ -269,8 +233,7 @@
 
     // Try to mount APEX packages in "/apex" in the chroot dir. We need at least
     // the ART APEX, as it is required by otapreopt to run dex2oat.
-    std::vector<apex::ApexFile> active_packages = ActivateApexPackages();
-    CreateApexInfoList(active_packages);
+    ActivateApexPackages();
 
     // Check that an ART APEX has been activated; clean up and exit
     // early otherwise.
@@ -278,16 +241,27 @@
       "com.android.art",
       "com.android.runtime",
     };
-    for (std::string_view apex : kRequiredApexs) {
-        if (std::none_of(active_packages.begin(), active_packages.end(),
-                         [&](const apex::ApexFile& package) {
-                             return package.GetManifest().name() == apex;
-                         })) {
-            LOG(FATAL_WITHOUT_ABORT) << "No activated " << apex << " APEX package.";
-            DeactivateApexPackages(active_packages);
-            exit(217);
+    std::array<bool, arraysize(kRequiredApexs)> found_apexs{ false, false };
+    DIR* apex_dir = opendir("/apex");
+    if (apex_dir == nullptr) {
+        PLOG(ERROR) << "unable to open /apex";
+        exit(220);
+    }
+    for (dirent* entry = readdir(apex_dir); entry != nullptr; entry = readdir(apex_dir)) {
+        for (int i = 0; i < found_apexs.size(); i++) {
+            if (kRequiredApexs[i] == std::string_view(entry->d_name)) {
+                found_apexs[i] = true;
+                break;
+            }
         }
     }
+    closedir(apex_dir);
+    auto it = std::find(found_apexs.cbegin(), found_apexs.cend(), false);
+    if (it != found_apexs.cend()) {
+        LOG(ERROR) << "No activated " << kRequiredApexs[std::distance(found_apexs.cbegin(), it)]
+                   << " package!";
+        exit(221);
+    }
 
     // Setup /linkerconfig. Doing it after the chroot means it doesn't need its own category
     if (selinux_android_restorecon("/linkerconfig", 0) < 0) {
@@ -323,9 +297,6 @@
         LOG(ERROR) << "Running otapreopt failed: " << error_msg;
     }
 
-    // Tear down the work down by the apexd logic. (i.e. deactivate packages).
-    DeactivateApexPackages(active_packages);
-
     if (!exec_result) {
         exit(213);
     }
diff --git a/cmds/installd/run_dex2oat.cpp b/cmds/installd/run_dex2oat.cpp
index 17ea903..a27fd10 100644
--- a/cmds/installd/run_dex2oat.cpp
+++ b/cmds/installd/run_dex2oat.cpp
@@ -86,7 +86,7 @@
                             bool generate_compact_dex,
                             bool use_jitzygote_image,
                             const char* compilation_reason) {
-    PrepareBootImageAndBootClasspathFlags(use_jitzygote_image);
+    PrepareBootImageFlags(use_jitzygote_image);
 
     PrepareInputFileFlags(output_oat, output_vdex, output_image, input_dex, input_vdex,
                           dex_metadata, profile, swap_fd, class_loader_context,
@@ -112,7 +112,7 @@
 
 RunDex2Oat::~RunDex2Oat() {}
 
-void RunDex2Oat::PrepareBootImageAndBootClasspathFlags(bool use_jitzygote_image) {
+void RunDex2Oat::PrepareBootImageFlags(bool use_jitzygote_image) {
     std::string boot_image;
     if (use_jitzygote_image) {
         boot_image = StringPrintf("--boot-image=%s", kJitZygoteImage);
@@ -120,23 +120,6 @@
         boot_image = MapPropertyToArg("dalvik.vm.boot-image", "--boot-image=%s");
     }
     AddArg(boot_image);
-
-    // If DEX2OATBOOTCLASSPATH is not in the environment, dex2oat is going to query
-    // BOOTCLASSPATH.
-    char* dex2oat_bootclasspath = getenv("DEX2OATBOOTCLASSPATH");
-    if (dex2oat_bootclasspath != nullptr) {
-        AddRuntimeArg(StringPrintf("-Xbootclasspath:%s", dex2oat_bootclasspath));
-    }
-
-    std::string updatable_bcp_packages =
-            MapPropertyToArg("dalvik.vm.dex2oat-updatable-bcp-packages-file",
-                             "--updatable-bcp-packages-file=%s");
-    if (updatable_bcp_packages.empty()) {
-        // Make dex2oat fail by providing non-existent file name.
-        updatable_bcp_packages =
-                "--updatable-bcp-packages-file=/nonx/updatable-bcp-packages.txt";
-    }
-    AddArg(updatable_bcp_packages);
 }
 
 void RunDex2Oat::PrepareInputFileFlags(const UniqueFile& output_oat,
diff --git a/cmds/installd/run_dex2oat.h b/cmds/installd/run_dex2oat.h
index 325a3a2..475e124 100644
--- a/cmds/installd/run_dex2oat.h
+++ b/cmds/installd/run_dex2oat.h
@@ -56,7 +56,7 @@
     void Exec(int exit_code);
 
   protected:
-    void PrepareBootImageAndBootClasspathFlags(bool use_jitzygote_image);
+    void PrepareBootImageFlags(bool use_jitzygote_image);
     void PrepareInputFileFlags(const UniqueFile& output_oat,
                                const UniqueFile& output_vdex,
                                const UniqueFile& output_image,
diff --git a/cmds/installd/run_dex2oat_test.cpp b/cmds/installd/run_dex2oat_test.cpp
index 3813cf7..0a638cd 100644
--- a/cmds/installd/run_dex2oat_test.cpp
+++ b/cmds/installd/run_dex2oat_test.cpp
@@ -175,8 +175,6 @@
         default_expected_flags_["--swap-fd"] = FLAG_UNUSED;
         default_expected_flags_["--class-loader-context"] = FLAG_UNUSED;
         default_expected_flags_["--class-loader-context-fds"] = FLAG_UNUSED;
-        default_expected_flags_["--updatable-bcp-packages-file"] =
-                "=/nonx/updatable-bcp-packages.txt";
 
         // Arch
         default_expected_flags_["--instruction-set"] = "=arm64";
@@ -320,28 +318,6 @@
     VerifyExpectedFlags();
 }
 
-TEST_F(RunDex2OatTest, DEX2OATBOOTCLASSPATH) {
-    ASSERT_EQ(nullptr, getenv("DEX2OATBOOTCLASSPATH"));
-    ASSERT_EQ(0, setenv("DEX2OATBOOTCLASSPATH", "foobar", /*override=*/ false))
-        << "Failed to setenv: " << strerror(errno);
-
-    CallRunDex2Oat(RunDex2OatArgs::MakeDefaultTestArgs());
-
-    SetExpectedFlagUsed("-Xbootclasspath", ":foobar");
-    VerifyExpectedFlags();
-
-    ASSERT_EQ(0, unsetenv("DEX2OATBOOTCLASSPATH"))
-        << "Failed to setenv: " << strerror(errno);
-}
-
-TEST_F(RunDex2OatTest, UpdatableBootClassPath) {
-    setSystemProperty("dalvik.vm.dex2oat-updatable-bcp-packages-file", "/path/to/file");
-    CallRunDex2Oat(RunDex2OatArgs::MakeDefaultTestArgs());
-
-    SetExpectedFlagUsed("--updatable-bcp-packages-file", "=/path/to/file");
-    VerifyExpectedFlags();
-}
-
 TEST_F(RunDex2OatTest, DoNotGenerateCompactDex) {
     auto args = RunDex2OatArgs::MakeDefaultTestArgs();
     args->generate_compact_dex = false;
diff --git a/cmds/installd/tests/installd_dexopt_test.cpp b/cmds/installd/tests/installd_dexopt_test.cpp
index fbf1e0c..e272025 100644
--- a/cmds/installd/tests/installd_dexopt_test.cpp
+++ b/cmds/installd/tests/installd_dexopt_test.cpp
@@ -351,7 +351,7 @@
             uid = kTestAppUid;
         }
         if (class_loader_context == nullptr) {
-            class_loader_context = "&";
+            class_loader_context = "PCL[]";
         }
         int32_t dexopt_needed = 0;  // does not matter;
         std::optional<std::string> out_path; // does not matter
@@ -478,7 +478,7 @@
                            bool should_binder_call_succeed,
                            /*out */ binder::Status* binder_result) {
         std::optional<std::string> out_path = oat_dir ? std::make_optional<std::string>(oat_dir) : std::nullopt;
-        std::string class_loader_context = "&";
+        std::string class_loader_context = "PCL[]";
         int32_t target_sdk_version = 0;  // default
         std::string profile_name = "primary.prof";
         std::optional<std::string> dm_path_opt = dm_path ? std::make_optional<std::string>(dm_path) : std::nullopt;
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 0bce6f7..728a8c4 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -58,13 +58,13 @@
 // transport itself and should be moved to AIDL or in domain-specific libs.
 //
 // Currently, these are only on system android (not vendor, not host)
+// TODO(b/183654927) - move these into separate libraries
 libbinder_device_interface_sources = [
     "ActivityManager.cpp",
     "AppOpsManager.cpp",
     "IActivityManager.cpp",
     "IAppOpsCallback.cpp",
     "IAppOpsService.cpp",
-    "IBatteryStats.cpp",
     "IMediaResourceMonitor.cpp",
     "IPermissionController.cpp",
     "IProcessInfoService.cpp",
@@ -73,6 +73,7 @@
     "PermissionController.cpp",
     "ProcessInfoService.cpp",
     "IpPrefix.cpp",
+    ":activity_manager_procstate_aidl",
 ]
 
 cc_library {
@@ -133,6 +134,7 @@
         "Status.cpp",
         "TextOutput.cpp",
         "Utils.cpp",
+        ":packagemanager_aidl",
         ":libbinder_aidl",
     ],
 
@@ -234,9 +236,6 @@
 filegroup {
     name: "libbinder_aidl",
     srcs: [
-        "aidl/android/content/pm/IPackageChangeObserver.aidl",
-        "aidl/android/content/pm/IPackageManagerNative.aidl",
-        "aidl/android/content/pm/PackageChangeEvent.aidl",
         "aidl/android/os/IClientCallback.aidl",
         "aidl/android/os/IServiceCallback.aidl",
         "aidl/android/os/IServiceManager.aidl",
@@ -245,6 +244,16 @@
     path: "aidl",
 }
 
+filegroup {
+    name: "packagemanager_aidl",
+    srcs: [
+        "aidl/android/content/pm/IPackageChangeObserver.aidl",
+        "aidl/android/content/pm/IPackageManagerNative.aidl",
+        "aidl/android/content/pm/PackageChangeEvent.aidl",
+    ],
+    path: "aidl",
+}
+
 aidl_interface {
     name: "libbinder_aidl_test_stub",
     unstable: true,
@@ -257,3 +266,23 @@
         },
     },
 }
+
+// libbinder historically contained additional interfaces that provided specific
+// functionality in the platform but have nothing to do with binder itself. These
+// are moved out of libbinder in order to avoid the overhead of their vtables.
+// If you are working on or own one of these interfaces, the responsible things
+// to would be:
+// - give them a new home
+// - convert them to AIDL instead of having manually written parceling code
+
+cc_library {
+    name: "libbatterystats_aidl",
+    srcs: [
+        "IBatteryStats.cpp",
+    ],
+    export_include_dirs: ["include_batterystats"],
+    shared_libs: [
+        "libbinder",
+        "libutils",
+    ],
+}
diff --git a/libs/binder/IBatteryStats.cpp b/libs/binder/IBatteryStats.cpp
index d0085df..0de804c 100644
--- a/libs/binder/IBatteryStats.cpp
+++ b/libs/binder/IBatteryStats.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include <binder/IBatteryStats.h>
+#include <batterystats/IBatteryStats.h>
 
 #include <utils/Log.h>
 #include <binder/Parcel.h>
diff --git a/libs/binder/include/binder/IBatteryStats.h b/libs/binder/include_batterystats/batterystats/IBatteryStats.h
similarity index 100%
rename from libs/binder/include/binder/IBatteryStats.h
rename to libs/binder/include_batterystats/batterystats/IBatteryStats.h
diff --git a/libs/binder/ndk/include_platform/android/binder_manager.h b/libs/binder/ndk/include_platform/android/binder_manager.h
index 0668472..5516914 100644
--- a/libs/binder/ndk/include_platform/android/binder_manager.h
+++ b/libs/binder/ndk/include_platform/android/binder_manager.h
@@ -26,7 +26,7 @@
  * This registers the service with the default service manager under this instance name. This does
  * not take ownership of binder.
  *
- * WARNING: when using this API across an APEX boundary, it should only be used with stable
+ * WARNING: when using this API across an APEX boundary, do not use with unstable
  * AIDL services. TODO(b/139325195)
  *
  * \param binder object to register globally with the service manager.
@@ -42,7 +42,7 @@
  * service is not available This also implicitly calls AIBinder_incStrong (so the caller of this
  * function is responsible for calling AIBinder_decStrong).
  *
- * WARNING: when using this API across an APEX boundary, it should only be used with stable
+ * WARNING: when using this API across an APEX boundary, do not use with unstable
  * AIDL services. TODO(b/139325195)
  *
  * \param instance identifier of the service used to lookup the service.
@@ -54,7 +54,7 @@
  * it. This also implicitly calls AIBinder_incStrong (so the caller of this function is responsible
  * for calling AIBinder_decStrong).
  *
- * WARNING: when using this API across an APEX boundary, it should only be used with stable
+ * WARNING: when using this API across an APEX boundary, do not use with unstable
  * AIDL services. TODO(b/139325195)
  *
  * \param instance identifier of the service used to lookup the service.
@@ -87,7 +87,7 @@
  * This also implicitly calls AIBinder_incStrong (so the caller of this function is responsible
  * for calling AIBinder_decStrong).
  *
- * WARNING: when using this API across an APEX boundary, it should only be used with stable
+ * WARNING: when using this API across an APEX boundary, do not use with unstable
  * AIDL services. TODO(b/139325195)
  *
  * \param instance identifier of the service used to lookup the service.
diff --git a/libs/binder/ndk/include_platform/android/binder_stability.h b/libs/binder/ndk/include_platform/android/binder_stability.h
index f5e8bf6..ce7255e 100644
--- a/libs/binder/ndk/include_platform/android/binder_stability.h
+++ b/libs/binder/ndk/include_platform/android/binder_stability.h
@@ -30,7 +30,7 @@
     FLAG_PRIVATE_VENDOR = 0x10000000,
 };
 
-#if defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__)
+#if defined(__ANDROID_VENDOR__)
 
 enum {
     FLAG_PRIVATE_LOCAL = FLAG_PRIVATE_VENDOR,
@@ -45,7 +45,7 @@
     AIBinder_markVendorStability(binder);
 }
 
-#else  // defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__)
+#else  // defined(__ANDROID_VENDOR__)
 
 enum {
     FLAG_PRIVATE_LOCAL = 0,
@@ -62,7 +62,7 @@
     AIBinder_markSystemStability(binder);
 }
 
-#endif  // defined(__ANDROID_VNDK__) && !defined(__ANDROID_APEX__)
+#endif  // defined(__ANDROID_VENDOR__)
 
 /**
  * This interface has system<->vendor stability
diff --git a/services/sensorservice/Android.bp b/services/sensorservice/Android.bp
index ca9ff7c..c769e97 100644
--- a/services/sensorservice/Android.bp
+++ b/services/sensorservice/Android.bp
@@ -7,9 +7,6 @@
     default_applicable_licenses: ["frameworks_native_license"],
 }
 
-subdirs = [
-    "hidl"
-]
 cc_library_shared {
     name: "libsensorservice",
 
@@ -52,6 +49,7 @@
         "libhardware_legacy",
         "libutils",
         "liblog",
+        "libbatterystats_aidl",
         "libbinder",
         "libsensor",
         "libsensorprivacy",
diff --git a/services/sensorservice/BatteryService.h b/services/sensorservice/BatteryService.h
index 43a750c..09eb2c1 100644
--- a/services/sensorservice/BatteryService.h
+++ b/services/sensorservice/BatteryService.h
@@ -17,7 +17,7 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#include <binder/IBatteryStats.h>
+#include <batterystats/IBatteryStats.h>
 #include <utils/Singleton.h>
 
 namespace android {
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index df26a3d..5a24d51 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -211,8 +211,8 @@
     layer.frameNumber = mCurrentFrameNumber;
     layer.bufferId = mBufferInfo.mBuffer ? mBufferInfo.mBuffer->getId() : 0;
 
-    // TODO: we could be more subtle with isFixedSize()
-    const bool useFiltering = targetSettings.needsFiltering || mNeedsFiltering || isFixedSize();
+    const bool useFiltering =
+            targetSettings.needsFiltering || mNeedsFiltering || bufferNeedsFiltering();
 
     // Query the texture matrix given our current filtering mode.
     float textureMatrix[16];
@@ -847,6 +847,36 @@
     }
 }
 
+bool BufferLayer::bufferNeedsFiltering() const {
+    // Layers that don't resize along with their buffer, don't need filtering.
+    if (!isFixedSize()) {
+        return false;
+    }
+
+    if (!mBufferInfo.mBuffer) {
+        return false;
+    }
+
+    uint32_t bufferWidth = mBufferInfo.mBuffer->width;
+    uint32_t bufferHeight = mBufferInfo.mBuffer->height;
+
+    // Undo any transformations on the buffer and return the result.
+    const State& s(getDrawingState());
+    if (s.transform & ui::Transform::ROT_90) {
+        std::swap(bufferWidth, bufferHeight);
+    }
+
+    if (s.transformToDisplayInverse) {
+        uint32_t invTransform = DisplayDevice::getPrimaryDisplayRotationFlags();
+        if (invTransform & ui::Transform::ROT_90) {
+            std::swap(bufferWidth, bufferHeight);
+        }
+    }
+
+    const Rect layerSize{getBounds()};
+    return layerSize.width() != bufferWidth || layerSize.height() != bufferHeight;
+}
+
 } // namespace android
 
 #if defined(__gl_h_)
diff --git a/services/surfaceflinger/BufferLayer.h b/services/surfaceflinger/BufferLayer.h
index 26bfb49..c7e8ad7 100644
--- a/services/surfaceflinger/BufferLayer.h
+++ b/services/surfaceflinger/BufferLayer.h
@@ -118,6 +118,10 @@
 
     ui::Transform::RotationFlags getTransformHint() const override { return mTransformHint; }
 
+    // Returns true if the transformed buffer size does not match the layer size and we need
+    // to apply filtering.
+    bool bufferNeedsFiltering() const;
+
     // -----------------------------------------------------------------------
     // Functions that must be implemented by derived classes
     // -----------------------------------------------------------------------
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 790f2ec..41dd7bf 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -760,6 +760,7 @@
                                         static_cast<float>(s.active.transform.ty() + s.active.h)),
                               radius);
 }
+
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues