diff --git a/android/FerrochromeApp/AndroidManifest.xml b/android/FerrochromeApp/AndroidManifest.xml
index 7afffe5..d640c4a 100644
--- a/android/FerrochromeApp/AndroidManifest.xml
+++ b/android/FerrochromeApp/AndroidManifest.xml
@@ -6,6 +6,8 @@
     <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
     <uses-permission android:name="android.permission.KILL_ALL_BACKGROUND_PROCESSES" />
     <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="com.android.virtualization.vmlauncher.permission.USE_VM_LAUNCHER" />
+
     <queries>
         <intent>
             <action android:name="android.virtualization.VM_LAUNCHER" />
diff --git a/android/VmLauncherApp/AndroidManifest.xml b/android/VmLauncherApp/AndroidManifest.xml
index c6ab1f2..67b7a45 100644
--- a/android/VmLauncherApp/AndroidManifest.xml
+++ b/android/VmLauncherApp/AndroidManifest.xml
@@ -7,6 +7,10 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-feature android:name="android.software.virtualization_framework" android:required="true" />
+
+    <permission android:name="com.android.virtualization.vmlauncher.permission.USE_VM_LAUNCHER"
+        android:protectionLevel="signature|preinstalled"/>
+
     <application
         android:label="VmLauncherApp">
         <activity android:name=".MainActivity"
@@ -14,6 +18,7 @@
                   android:configChanges="orientation|screenSize|keyboard|keyboardHidden|navigation|uiMode"
                   android:theme="@style/MyTheme"
                   android:resizeableActivity="false"
+                  android:permission="com.android.virtualization.vmlauncher.permission.USE_VM_LAUNCHER"
                   android:exported="true">
             <intent-filter>
                 <action android:name="android.virtualization.VM_LAUNCHER" />
diff --git a/android/VmLauncherApp/java/com/android/virtualization/vmlauncher/MainActivity.java b/android/VmLauncherApp/java/com/android/virtualization/vmlauncher/MainActivity.java
index a93c173..9004c07 100644
--- a/android/VmLauncherApp/java/com/android/virtualization/vmlauncher/MainActivity.java
+++ b/android/VmLauncherApp/java/com/android/virtualization/vmlauncher/MainActivity.java
@@ -622,27 +622,30 @@
         return mVirtualMachine.connectVsock(DATA_SHARING_SERVICE_PORT);
     }
 
-    private boolean writeClipboardToVm() {
-        ClipboardManager clipboardManager = getClipboardManager();
-        if (!clipboardManager.hasPrimaryClip()) {
-            Log.d(TAG, "host device has no clipboard data");
-            return true;
-        }
-        ClipData clip = clipboardManager.getPrimaryClip();
-        String text = clip.getItemAt(0).getText().toString();
-        byte[] header =
-                constructClipboardHeader(
-                        WRITE_CLIPBOARD_TYPE_TEXT_PLAIN, text.getBytes().length + 1);
-        try (ParcelFileDescriptor pfd = connectDataSharingService();
-                OutputStream stream = new FileOutputStream(pfd.getFileDescriptor())) {
-            stream.write(header);
-            stream.write(text.getBytes());
-            stream.write('\0');
-            Log.d(TAG, "successfully wrote clipboard data to the VM");
-            return true;
-        } catch (IOException | VirtualMachineException e) {
-            Log.e(TAG, "failed to write clipboard data to the VM", e);
-            return false;
+    private void writeClipboardToVm() {
+        Log.d(TAG, "running writeClipboardToVm");
+        try (ParcelFileDescriptor pfd = connectDataSharingService()) {
+            ClipboardManager clipboardManager = getClipboardManager();
+            if (!clipboardManager.hasPrimaryClip()) {
+                Log.d(TAG, "host device has no clipboard data");
+                return;
+            }
+            ClipData clip = clipboardManager.getPrimaryClip();
+            String text = clip.getItemAt(0).getText().toString();
+
+            byte[] header =
+                    constructClipboardHeader(
+                            WRITE_CLIPBOARD_TYPE_TEXT_PLAIN, text.getBytes().length + 1);
+            try (OutputStream stream = new FileOutputStream(pfd.getFileDescriptor())) {
+                stream.write(header);
+                stream.write(text.getBytes());
+                stream.write('\0');
+                Log.d(TAG, "successfully wrote clipboard data to the VM");
+            } catch (IOException e) {
+                Log.e(TAG, "failed to write clipboard data to the VM", e);
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "error on writeClipboardToVm", e);
         }
     }
 
@@ -654,23 +657,25 @@
         return buf;
     }
 
-    private boolean readClipboardFromVm() {
-        byte[] request = constructClipboardHeader(READ_CLIPBOARD_FROM_VM, 0);
+    private void readClipboardFromVm() {
+        Log.d(TAG, "running readClipboardFromVm");
         try (ParcelFileDescriptor pfd = connectDataSharingService()) {
+            byte[] request = constructClipboardHeader(READ_CLIPBOARD_FROM_VM, 0);
             try (OutputStream output = new FileOutputStream(pfd.getFileDescriptor())) {
                 output.write(request);
                 Log.d(TAG, "successfully send request to the VM for reading clipboard");
             } catch (IOException e) {
-                Log.e(TAG, "failed to send request to the VM for read clipboard");
+                Log.e(TAG, "failed to send request to the VM for reading clipboard");
                 throw e;
             }
+
             try (InputStream input = new FileInputStream(pfd.getFileDescriptor())) {
                 ByteBuffer header = ByteBuffer.wrap(readExactly(input, 8));
                 header.order(ByteOrder.LITTLE_ENDIAN);
                 switch (header.get(0)) {
                     case WRITE_CLIPBOARD_TYPE_EMPTY:
                         Log.d(TAG, "clipboard data in VM is empty");
-                        return true;
+                        break;
                     case WRITE_CLIPBOARD_TYPE_TEXT_PLAIN:
                         int dataSize = header.getInt(4);
                         String text_data =
@@ -678,15 +683,17 @@
                         getClipboardManager()
                                 .setPrimaryClip(ClipData.newPlainText(null, text_data));
                         Log.d(TAG, "successfully received clipboard data from VM");
-                        return true;
+                        break;
                     default:
                         Log.e(TAG, "unknown clipboard response type");
-                        return false;
+                        break;
                 }
+            } catch (IOException e) {
+                Log.e(TAG, "failed to receive clipboard content from VM");
+                throw e;
             }
-        } catch (IOException | VirtualMachineException e) {
-            Log.e(TAG, "failed to receive clipboard content from the VM", e);
-            return false;
+        } catch (Exception e) {
+            Log.e(TAG, "error on readClipboardFromVm", e);
         }
     }
 
@@ -699,16 +706,10 @@
             surfaceView.requestPointerCapture();
         }
         if (mVirtualMachine != null) {
-            try {
-                if (hasFocus) {
-                    Log.d(TAG, "writing clipboard of host device into VM");
-                    writeClipboardToVm();
-                } else {
-                    Log.d(TAG, "reading clipboard of VM");
-                    readClipboardFromVm();
-                }
-            } catch (Exception e) {
-                Log.e(TAG, "read/write clipboard error", e);
+            if (hasFocus) {
+                mExecutorService.execute(() -> writeClipboardToVm());
+            } else {
+                mExecutorService.execute(() -> readClipboardFromVm());
             }
         }
     }
diff --git a/compos/verify/Android.bp b/android/compos_verify/Android.bp
similarity index 100%
rename from compos/verify/Android.bp
rename to android/compos_verify/Android.bp
diff --git a/compos/verify/native/Android.bp b/android/compos_verify/native/Android.bp
similarity index 100%
rename from compos/verify/native/Android.bp
rename to android/compos_verify/native/Android.bp
diff --git a/compos/verify/native/lib.rs b/android/compos_verify/native/lib.rs
similarity index 100%
rename from compos/verify/native/lib.rs
rename to android/compos_verify/native/lib.rs
diff --git a/compos/verify/native/verify_native.cpp b/android/compos_verify/native/verify_native.cpp
similarity index 100%
rename from compos/verify/native/verify_native.cpp
rename to android/compos_verify/native/verify_native.cpp
diff --git a/compos/verify/native/verify_native.h b/android/compos_verify/native/verify_native.h
similarity index 100%
rename from compos/verify/native/verify_native.h
rename to android/compos_verify/native/verify_native.h
diff --git a/compos/verify/verify.rs b/android/compos_verify/verify.rs
similarity index 100%
rename from compos/verify/verify.rs
rename to android/compos_verify/verify.rs
diff --git a/compos/composd/Android.bp b/android/composd/Android.bp
similarity index 100%
rename from compos/composd/Android.bp
rename to android/composd/Android.bp
diff --git a/compos/composd/aidl/Android.bp b/android/composd/aidl/Android.bp
similarity index 100%
rename from compos/composd/aidl/Android.bp
rename to android/composd/aidl/Android.bp
diff --git a/compos/composd/aidl/android/system/composd/ICompilationTask.aidl b/android/composd/aidl/android/system/composd/ICompilationTask.aidl
similarity index 100%
rename from compos/composd/aidl/android/system/composd/ICompilationTask.aidl
rename to android/composd/aidl/android/system/composd/ICompilationTask.aidl
diff --git a/compos/composd/aidl/android/system/composd/ICompilationTaskCallback.aidl b/android/composd/aidl/android/system/composd/ICompilationTaskCallback.aidl
similarity index 100%
rename from compos/composd/aidl/android/system/composd/ICompilationTaskCallback.aidl
rename to android/composd/aidl/android/system/composd/ICompilationTaskCallback.aidl
diff --git a/compos/composd/aidl/android/system/composd/IIsolatedCompilationService.aidl b/android/composd/aidl/android/system/composd/IIsolatedCompilationService.aidl
similarity index 100%
rename from compos/composd/aidl/android/system/composd/IIsolatedCompilationService.aidl
rename to android/composd/aidl/android/system/composd/IIsolatedCompilationService.aidl
diff --git a/compos/composd/native/Android.bp b/android/composd/native/Android.bp
similarity index 100%
rename from compos/composd/native/Android.bp
rename to android/composd/native/Android.bp
diff --git a/compos/composd/native/lib.rs b/android/composd/native/lib.rs
similarity index 100%
rename from compos/composd/native/lib.rs
rename to android/composd/native/lib.rs
diff --git a/compos/composd/src/composd_main.rs b/android/composd/src/composd_main.rs
similarity index 100%
rename from compos/composd/src/composd_main.rs
rename to android/composd/src/composd_main.rs
diff --git a/compos/composd/src/fd_server_helper.rs b/android/composd/src/fd_server_helper.rs
similarity index 100%
rename from compos/composd/src/fd_server_helper.rs
rename to android/composd/src/fd_server_helper.rs
diff --git a/compos/composd/src/instance_manager.rs b/android/composd/src/instance_manager.rs
similarity index 100%
rename from compos/composd/src/instance_manager.rs
rename to android/composd/src/instance_manager.rs
diff --git a/compos/composd/src/instance_starter.rs b/android/composd/src/instance_starter.rs
similarity index 100%
rename from compos/composd/src/instance_starter.rs
rename to android/composd/src/instance_starter.rs
diff --git a/compos/composd/src/odrefresh_task.rs b/android/composd/src/odrefresh_task.rs
similarity index 100%
rename from compos/composd/src/odrefresh_task.rs
rename to android/composd/src/odrefresh_task.rs
diff --git a/compos/composd/src/service.rs b/android/composd/src/service.rs
similarity index 100%
rename from compos/composd/src/service.rs
rename to android/composd/src/service.rs
diff --git a/compos/composd_cmd/Android.bp b/android/composd_cmd/Android.bp
similarity index 100%
rename from compos/composd_cmd/Android.bp
rename to android/composd_cmd/Android.bp
diff --git a/compos/composd_cmd/composd_cmd.rs b/android/composd_cmd/composd_cmd.rs
similarity index 100%
rename from compos/composd_cmd/composd_cmd.rs
rename to android/composd_cmd/composd_cmd.rs
diff --git a/authfs/fd_server/Android.bp b/android/fd_server/Android.bp
similarity index 100%
rename from authfs/fd_server/Android.bp
rename to android/fd_server/Android.bp
diff --git a/authfs/TEST_MAPPING b/android/fd_server/TEST_MAPPING
similarity index 100%
copy from authfs/TEST_MAPPING
copy to android/fd_server/TEST_MAPPING
diff --git a/authfs/fd_server/src/aidl.rs b/android/fd_server/src/aidl.rs
similarity index 100%
rename from authfs/fd_server/src/aidl.rs
rename to android/fd_server/src/aidl.rs
diff --git a/authfs/fd_server/src/main.rs b/android/fd_server/src/main.rs
similarity index 100%
rename from authfs/fd_server/src/main.rs
rename to android/fd_server/src/main.rs
diff --git a/android/virtmgr/Android.bp b/android/virtmgr/Android.bp
index ae85934..a21ee6c 100644
--- a/android/virtmgr/Android.bp
+++ b/android/virtmgr/Android.bp
@@ -87,6 +87,14 @@
     apex_available: ["com.android.virt"],
 }
 
+rust_binary {
+    name: "early_virtmgr",
+    defaults: ["virtualizationmanager_defaults"],
+    srcs: ["src/main.rs"],
+    cfgs: ["early"],
+    apex_available: ["com.android.virt"],
+}
+
 rust_test {
     name: "virtualizationmanager_device_test",
     srcs: ["src/main.rs"],
diff --git a/android/virtmgr/src/main.rs b/android/virtmgr/src/main.rs
index 4e88507..445260f 100644
--- a/android/virtmgr/src/main.rs
+++ b/android/virtmgr/src/main.rs
@@ -131,7 +131,11 @@
     // Start thread pool for kernel Binder connection to VirtualizationServiceInternal.
     ProcessState::start_thread_pool();
 
-    GLOBAL_SERVICE.removeMemlockRlimit().expect("Failed to remove memlock rlimit");
+    if cfg!(early) {
+        panic!("Early VM not implemented");
+    } else {
+        GLOBAL_SERVICE.removeMemlockRlimit().expect("Failed to remove memlock rlimit");
+    }
 
     let service = VirtualizationService::init();
     let service =
diff --git a/build/apex/Android.bp b/build/apex/Android.bp
index 5e74aca..7a3ec8a 100644
--- a/build/apex/Android.bp
+++ b/build/apex/Android.bp
@@ -7,66 +7,15 @@
     "microdroid_vbmeta",
 ]
 
-soong_config_module_type {
-    name: "virt_apex",
-    module_type: "apex",
-    config_namespace: "ANDROID",
-    bool_variables: [
-        "avf_enabled",
-    ],
-    properties: [
-        "defaults",
-        "prebuilts",
-    ],
-}
-
-virt_apex {
+apex {
     name: "com.android.virt",
-    soong_config_variables: {
-        avf_enabled: {
-            defaults: ["com.android.virt_avf_enabled"],
-            conditions_default: {
-                defaults: ["com.android.virt_avf_disabled"],
-            },
-        },
-    },
+    defaults: select(soong_config_variable("ANDROID", "avf_enabled"), {
+        "true": ["com.android.virt_avf_enabled"],
+        default: ["com.android.virt_avf_disabled"],
+    }),
 }
 
-soong_config_string_variable {
-    name: "avf_microdroid_guest_gki_version",
-    values: [
-        "android15_66",
-    ],
-}
-
-soong_config_module_type {
-    name: "avf_flag_aware_apex_defaults",
-    module_type: "apex_defaults",
-    config_namespace: "ANDROID",
-    bool_variables: [
-        "release_avf_enable_device_assignment",
-        "release_avf_enable_llpvm_changes",
-        "release_avf_enable_network",
-        "avf_remote_attestation_enabled",
-        "release_avf_enable_vendor_modules",
-        "release_avf_enable_virt_cpufreq",
-        "release_avf_support_custom_vm_with_paravirtualized_devices",
-    ],
-    variables: [
-        "avf_microdroid_guest_gki_version",
-    ],
-    properties: [
-        "androidManifest",
-        "arch",
-        "canned_fs_config",
-        "prebuilts",
-        "systemserverclasspath_fragments",
-        "vintf_fragments",
-        "apps",
-    ],
-}
-
-avf_flag_aware_apex_defaults {
+apex_defaults {
     name: "com.android.virt_common",
     // TODO(jiyong): make it updatable
     updatable: false,
@@ -80,7 +29,10 @@
 
     apps: [
         "android.system.virtualmachine.res",
-    ],
+    ] + select(release_flag("RELEASE_AVF_SUPPORT_CUSTOM_VM_WITH_PARAVIRTUALIZED_DEVICES"), {
+        true: ["VmLauncherApp"],
+        default: [],
+    }),
 
     file_contexts: ":com.android.virt-file_contexts",
 
@@ -97,27 +49,19 @@
         "libsso",
         "libutils",
     ],
-    soong_config_variables: {
-        release_avf_enable_llpvm_changes: {
-            systemserverclasspath_fragments: [
-                "com.android.virt-systemserver-fragment",
-            ],
-        },
-        release_avf_enable_virt_cpufreq: {
-            canned_fs_config: "canned_fs_config_sys_nice",
-            conditions_default: {
-                canned_fs_config: "canned_fs_config",
-            },
-        },
-        release_avf_support_custom_vm_with_paravirtualized_devices: {
-            apps: [
-                "VmLauncherApp",
-            ],
-        },
-    },
+
+    systemserverclasspath_fragments: select(release_flag("RELEASE_AVF_ENABLE_LLPVM_CHANGES"), {
+        true: ["com.android.virt-systemserver-fragment"],
+        default: [],
+    }),
+
+    canned_fs_config: select(release_flag("RELEASE_AVF_ENABLE_VIRT_CPUFREQ"), {
+        true: "canned_fs_config_sys_nice",
+        default: "canned_fs_config",
+    }),
 }
 
-avf_flag_aware_apex_defaults {
+apex_defaults {
     name: "com.android.virt_avf_enabled",
 
     defaults: ["com.android.virt_common"],
@@ -131,7 +75,13 @@
                 "crosvm",
                 "virtmgr",
                 "virtualizationservice",
-            ],
+            ] + select(release_flag("RELEASE_AVF_ENABLE_DEVICE_ASSIGNMENT"), {
+                true: ["vfio_handler"],
+                default: [],
+            }) + select(release_flag("RELEASE_AVF_ENABLE_NETWORK"), {
+                true: ["vmnic"],
+                default: [],
+            }),
             filesystems: microdroid_filesystem_images,
             prebuilts: [
                 "rialto_bin",
@@ -142,14 +92,23 @@
                 "crosvm",
                 "virtmgr",
                 "virtualizationservice",
-            ],
+            ] + select(release_flag("RELEASE_AVF_ENABLE_DEVICE_ASSIGNMENT"), {
+                true: ["vfio_handler"],
+                default: [],
+            }) + select(release_flag("RELEASE_AVF_ENABLE_NETWORK"), {
+                true: ["vmnic"],
+                default: [],
+            }),
             filesystems: microdroid_filesystem_images,
         },
     },
     binaries: [
         "fd_server",
         "vm",
-    ],
+    ] + select(release_flag("RELEASE_AVF_ENABLE_EARLY_VM"), {
+        true: ["early_virtmgr"],
+        default: [],
+    }),
     prebuilts: [
         "features_com.android.virt.xml",
         "microdroid_initrd_debuggable",
@@ -158,59 +117,35 @@
         "microdroid_kernel",
         "com.android.virt.init.rc",
         "android_bootloader_crosvm_aarch64",
-    ],
+    ] + select(soong_config_variable("ANDROID", "avf_microdroid_guest_gki_version"), {
+        "android15_66": [
+            "microdroid_gki-android15-6.6_initrd_debuggable",
+            "microdroid_gki-android15-6.6_initrd_normal",
+            "microdroid_gki-android15-6.6_kernel",
+            "microdroid_gki-android15-6.6.json",
+        ],
+        default: [],
+    }) + select(release_flag("RELEASE_AVF_ENABLE_DEVICE_ASSIGNMENT"), {
+        true: ["com.android.virt.vfio_handler.rc"],
+        default: [],
+    }) + select(release_flag("RELEASE_AVF_ENABLE_NETWORK"), {
+        true: ["com.android.virt.vmnic.rc"],
+        default: [],
+    }),
     host_required: [
         "vm_shell",
     ],
     apps: [
         "EmptyPayloadApp",
     ],
-    soong_config_variables: {
-        avf_microdroid_guest_gki_version: {
-            android15_66: {
-                prebuilts: [
-                    "microdroid_gki-android15-6.6_initrd_debuggable",
-                    "microdroid_gki-android15-6.6_initrd_normal",
-                    "microdroid_gki-android15-6.6_kernel",
-                    "microdroid_gki-android15-6.6.json",
-                ],
-            },
-        },
-        release_avf_enable_device_assignment: {
-            prebuilts: [
-                "com.android.virt.vfio_handler.rc",
-            ],
-            arch: {
-                arm64: {
-                    binaries: ["vfio_handler"],
-                },
-                x86_64: {
-                    binaries: ["vfio_handler"],
-                },
-            },
-        },
-        release_avf_enable_llpvm_changes: {
-            androidManifest: "AndroidManifest.xml",
-        },
-        release_avf_enable_network: {
-            prebuilts: [
-                "com.android.virt.vmnic.rc",
-            ],
-            arch: {
-                arm64: {
-                    binaries: ["vmnic"],
-                },
-                x86_64: {
-                    binaries: ["vmnic"],
-                },
-            },
-        },
-        avf_remote_attestation_enabled: {
-            vintf_fragments: [
-                "virtualizationservice.xml",
-            ],
-        },
-    },
+    androidManifest: select(release_flag("RELEASE_AVF_ENABLE_LLPVM_CHANGES"), {
+        true: "AndroidManifest.xml",
+        default: unset,
+    }),
+    vintf_fragments: select(soong_config_variable("ANDROID", "avf_remote_attestation_enabled"), {
+        "true": ["virtualizationservice.xml"],
+        default: unset,
+    }),
 }
 
 apex_defaults {
@@ -230,28 +165,17 @@
     certificate: "com.android.virt",
 }
 
-soong_config_module_type {
-    name: "avf_flag_aware_genrule",
-    module_type: "genrule",
-    config_namespace: "ANDROID",
-    bool_variables: [
-        "release_avf_enable_llpvm_changes",
-        "avf_remote_attestation_enabled",
-    ],
-    properties: ["srcs"],
-}
-
-avf_flag_aware_genrule {
+genrule {
     name: "virtualizationservice_rc_combined",
-    srcs: ["virtualizationservice.rc.base"],
-    soong_config_variables: {
-        release_avf_enable_llpvm_changes: {
-            srcs: ["virtualizationservice.rc.llpvm"],
-        },
-        avf_remote_attestation_enabled: {
-            srcs: ["virtualizationservice.rc.ra"],
-        },
-    },
+    srcs: [
+        "virtualizationservice.rc.base",
+    ] + select(release_flag("RELEASE_AVF_ENABLE_LLPVM_CHANGES"), {
+        true: ["virtualizationservice.rc.llpvm"],
+        default: [],
+    }) + select(soong_config_variable("ANDROID", "avf_remote_attestation_enabled"), {
+        "true": ["virtualizationservice.rc.ra"],
+        default: [],
+    }),
     out: ["virtualizationservice.rc"],
     cmd: "cat $(in) > $(out)",
 }
@@ -401,28 +325,14 @@
     },
 }
 
-soong_config_module_type {
-    name: "avf_flag_aware_systemserverclasspath_fragment",
-    module_type: "systemserverclasspath_fragment",
-    config_namespace: "ANDROID",
-    bool_variables: [
-        "release_avf_enable_llpvm_changes",
-    ],
-    properties: [
-        "enabled",
-    ],
-}
-
-avf_flag_aware_systemserverclasspath_fragment {
+systemserverclasspath_fragment {
     name: "com.android.virt-systemserver-fragment",
     contents: [
         "service-virtualization",
     ],
     apex_available: ["com.android.virt"],
-    enabled: false,
-    soong_config_variables: {
-        release_avf_enable_llpvm_changes: {
-            enabled: true,
-        },
-    },
+    enabled: select(release_flag("RELEASE_AVF_ENABLE_LLPVM_CHANGES"), {
+        true: true,
+        default: false,
+    }),
 }
diff --git a/compos/apex/Android.bp b/build/compos/Android.bp
similarity index 100%
rename from compos/apex/Android.bp
rename to build/compos/Android.bp
diff --git a/compos/apk/Android.bp b/build/compos/CompOSPayloadApp/Android.bp
similarity index 100%
rename from compos/apk/Android.bp
rename to build/compos/CompOSPayloadApp/Android.bp
diff --git a/compos/apk/AndroidManifest.xml b/build/compos/CompOSPayloadApp/AndroidManifest.xml
similarity index 100%
rename from compos/apk/AndroidManifest.xml
rename to build/compos/CompOSPayloadApp/AndroidManifest.xml
diff --git a/compos/apk/assets/vm_config.json b/build/compos/CompOSPayloadApp/assets/vm_config.json
similarity index 100%
rename from compos/apk/assets/vm_config.json
rename to build/compos/CompOSPayloadApp/assets/vm_config.json
diff --git a/compos/apk/assets/vm_config_staged.json b/build/compos/CompOSPayloadApp/assets/vm_config_staged.json
similarity index 100%
rename from compos/apk/assets/vm_config_staged.json
rename to build/compos/CompOSPayloadApp/assets/vm_config_staged.json
diff --git a/compos/apk/assets/vm_config_system_ext.json b/build/compos/CompOSPayloadApp/assets/vm_config_system_ext.json
similarity index 100%
rename from compos/apk/assets/vm_config_system_ext.json
rename to build/compos/CompOSPayloadApp/assets/vm_config_system_ext.json
diff --git a/compos/apk/assets/vm_config_system_ext_staged.json b/build/compos/CompOSPayloadApp/assets/vm_config_system_ext_staged.json
similarity index 100%
rename from compos/apk/assets/vm_config_system_ext_staged.json
rename to build/compos/CompOSPayloadApp/assets/vm_config_system_ext_staged.json
diff --git a/compos/apex/com.android.compos.avbpubkey b/build/compos/com.android.compos.avbpubkey
similarity index 100%
rename from compos/apex/com.android.compos.avbpubkey
rename to build/compos/com.android.compos.avbpubkey
Binary files differ
diff --git a/compos/apex/com.android.compos.pem b/build/compos/com.android.compos.pem
similarity index 100%
rename from compos/apex/com.android.compos.pem
rename to build/compos/com.android.compos.pem
diff --git a/compos/apex/com.android.compos.pk8 b/build/compos/com.android.compos.pk8
similarity index 100%
rename from compos/apex/com.android.compos.pk8
rename to build/compos/com.android.compos.pk8
Binary files differ
diff --git a/compos/apex/com.android.compos.x509.pem b/build/compos/com.android.compos.x509.pem
similarity index 100%
rename from compos/apex/com.android.compos.x509.pem
rename to build/compos/com.android.compos.x509.pem
diff --git a/compos/apex/composd.rc b/build/compos/composd.rc
similarity index 100%
rename from compos/apex/composd.rc
rename to build/compos/composd.rc
diff --git a/compos/apex/manifest.json b/build/compos/manifest.json
similarity index 100%
rename from compos/apex/manifest.json
rename to build/compos/manifest.json
diff --git a/docs/custom_vm.md b/docs/custom_vm.md
index 6422678..cdeddf5 100644
--- a/docs/custom_vm.md
+++ b/docs/custom_vm.md
@@ -207,28 +207,17 @@
 
 ### Running the VM
 
-First, enable the `VmLauncherApp` app. This needs to be done only once. In the
-future, this step won't be necesssary.
+1. Grant permission to the `VmLauncherApp` if the virt apex is Google-signed.
+    ```shell
+    $ adb shell su root pm grant com.google.android.virtualization.vmlauncher android.permission.USE_CUSTOM_VIRTUAL_MACHINE
+    ```
 
-```
-$ adb root
-$ adb shell pm enable com.android.virtualization.vmlauncher/.MainActivityAlias
-$ adb unroot
-```
+2. Ensure your device is connected to the Internet.
 
-If virt apex is Google-signed, you need to enable the app and grant the
-permission to the app.
-```
-$ adb root
-$ adb shell pm enable com.google.android.virtualization.vmlauncher/com.android.virtualization.vmlauncher.MainActivityAlias
-$ adb shell pm grant com.google.android.virtualization.vmlauncher android.permission.USE_CUSTOM_VIRTUAL_MACHINE
-$ adb unroot
-```
-
-Second, ensure your device is connected to the Internet.
-
-Finally, tap the VmLauncherApp app from the launcher UI. You will see
-Ferrochrome booting!
+3. Launch the app with adb.
+    ```shell
+    $ adb shell su root am start-activity -a android.virtualization.VM_LAUNCHER
+    ```
 
 If it doesn’t work well, try
 
diff --git a/guest/authfs/Android.bp b/guest/authfs/Android.bp
new file mode 100644
index 0000000..b11da3d
--- /dev/null
+++ b/guest/authfs/Android.bp
@@ -0,0 +1,52 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+rust_defaults {
+    name: "authfs_defaults",
+    crate_name: "authfs",
+    edition: "2021",
+    srcs: [":authfs_src"],
+    rustlibs: [
+        "authfs_aidl_interface-rust",
+        "libandroid_logger",
+        "libanyhow",
+        "libauthfs_fsverity_metadata",
+        "libbinder_rs",
+        "libcfg_if",
+        "libclap",
+        "libfsverity_digests_proto_rust",
+        "libfuse_rust",
+        "libhex",
+        "liblibc",
+        "liblog_rust",
+        "libnix",
+        "libopenssl",
+        "libprotobuf",
+        "librpcbinder_rs",
+        "libthiserror",
+    ],
+    prefer_rlib: true,
+    target: {
+        darwin: {
+            enabled: false,
+        },
+    },
+    defaults: [
+        "crosvm_defaults",
+        "avf_build_flags_rust",
+    ],
+}
+
+filegroup {
+    name: "authfs_src",
+    srcs: [
+        "src/main.rs",
+    ],
+}
+
+rust_binary {
+    name: "authfs",
+    defaults: ["authfs_defaults"],
+    apex_available: ["com.android.virt"],
+}
diff --git a/authfs/TEST_MAPPING b/guest/authfs/TEST_MAPPING
similarity index 100%
rename from authfs/TEST_MAPPING
rename to guest/authfs/TEST_MAPPING
diff --git a/authfs/src/common.rs b/guest/authfs/src/common.rs
similarity index 100%
rename from authfs/src/common.rs
rename to guest/authfs/src/common.rs
diff --git a/authfs/src/file.rs b/guest/authfs/src/file.rs
similarity index 100%
rename from authfs/src/file.rs
rename to guest/authfs/src/file.rs
diff --git a/authfs/src/file/attr.rs b/guest/authfs/src/file/attr.rs
similarity index 100%
rename from authfs/src/file/attr.rs
rename to guest/authfs/src/file/attr.rs
diff --git a/authfs/src/file/dir.rs b/guest/authfs/src/file/dir.rs
similarity index 100%
rename from authfs/src/file/dir.rs
rename to guest/authfs/src/file/dir.rs
diff --git a/authfs/src/file/remote_file.rs b/guest/authfs/src/file/remote_file.rs
similarity index 100%
rename from authfs/src/file/remote_file.rs
rename to guest/authfs/src/file/remote_file.rs
diff --git a/authfs/src/fsstat.rs b/guest/authfs/src/fsstat.rs
similarity index 100%
rename from authfs/src/fsstat.rs
rename to guest/authfs/src/fsstat.rs
diff --git a/authfs/src/fsverity.rs b/guest/authfs/src/fsverity.rs
similarity index 100%
rename from authfs/src/fsverity.rs
rename to guest/authfs/src/fsverity.rs
diff --git a/authfs/src/fsverity/builder.rs b/guest/authfs/src/fsverity/builder.rs
similarity index 100%
rename from authfs/src/fsverity/builder.rs
rename to guest/authfs/src/fsverity/builder.rs
diff --git a/authfs/src/fsverity/common.rs b/guest/authfs/src/fsverity/common.rs
similarity index 100%
rename from authfs/src/fsverity/common.rs
rename to guest/authfs/src/fsverity/common.rs
diff --git a/authfs/src/fsverity/editor.rs b/guest/authfs/src/fsverity/editor.rs
similarity index 100%
rename from authfs/src/fsverity/editor.rs
rename to guest/authfs/src/fsverity/editor.rs
diff --git a/authfs/src/fsverity/metadata/Android.bp b/guest/authfs/src/fsverity/metadata/Android.bp
similarity index 100%
rename from authfs/src/fsverity/metadata/Android.bp
rename to guest/authfs/src/fsverity/metadata/Android.bp
diff --git a/authfs/src/fsverity/metadata/metadata.hpp b/guest/authfs/src/fsverity/metadata/metadata.hpp
similarity index 100%
rename from authfs/src/fsverity/metadata/metadata.hpp
rename to guest/authfs/src/fsverity/metadata/metadata.hpp
diff --git a/authfs/src/fsverity/metadata/metadata.rs b/guest/authfs/src/fsverity/metadata/metadata.rs
similarity index 100%
rename from authfs/src/fsverity/metadata/metadata.rs
rename to guest/authfs/src/fsverity/metadata/metadata.rs
diff --git a/authfs/src/fsverity/sys.rs b/guest/authfs/src/fsverity/sys.rs
similarity index 100%
rename from authfs/src/fsverity/sys.rs
rename to guest/authfs/src/fsverity/sys.rs
diff --git a/authfs/src/fsverity/verifier.rs b/guest/authfs/src/fsverity/verifier.rs
similarity index 100%
rename from authfs/src/fsverity/verifier.rs
rename to guest/authfs/src/fsverity/verifier.rs
diff --git a/authfs/src/fusefs.rs b/guest/authfs/src/fusefs.rs
similarity index 98%
rename from authfs/src/fusefs.rs
rename to guest/authfs/src/fusefs.rs
index ab75dac..618b8ac 100644
--- a/authfs/src/fusefs.rs
+++ b/guest/authfs/src/fusefs.rs
@@ -99,9 +99,9 @@
     /// Number of `Handle`s (i.e. file descriptors) that are currently referring to the this inode.
     ///
     /// Technically, this does not matter to readonly entries, since they live forever. The
-    /// reference count is only needed for manageing lifetime of writable entries like `VerifiedNew`
-    /// and `VerifiedNewDirectory`. That is, when an entry is deleted, the actual entry needs to
-    /// stay alive until the reference count reaches zero.
+    /// reference count is only needed for manageing lifetime of writable entries like
+    /// `VerifiedNew` and `VerifiedNewDirectory`. That is, when an entry is deleted, the actual
+    /// entry needs to stay alive until the reference count reaches zero.
     ///
     /// Note: This is not to be confused with hardlinks, which AuthFS doesn't currently implement.
     handle_ref_count: AtomicU64,
@@ -192,9 +192,9 @@
     /// The next available inode number.
     next_inode: AtomicU64,
 
-    /// Table for `Handle` to `Arc<DirEntriesSnapshot>` lookup. On `opendir`, a new directory handle
-    /// is created and the snapshot of the current directory is created. This is not super
-    /// efficient, but is the simplest way to be compliant to the FUSE contract (see
+    /// Table for `Handle` to `Arc<DirEntriesSnapshot>` lookup. On `opendir`, a new directory
+    /// handle is created and the snapshot of the current directory is created. This is not
+    /// super efficient, but is the simplest way to be compliant to the FUSE contract (see
     /// `fuse::filesystem::readdir`).
     ///
     /// Currently, no code locks `dir_handle_table` and `inode_table` at the same time to avoid
@@ -822,9 +822,9 @@
         self.handle_inode(&inode, |config| {
             match config {
                 AuthFsEntry::VerifiedNew { editor, .. } => {
-                    // FUSE ioctl is limited, thus we can't implement fs-verity ioctls without a kernel
-                    // change (see b/196635431). Until it's possible, use xattr to expose what we need
-                    // as an authfs specific API.
+                    // FUSE ioctl is limited, thus we can't implement fs-verity ioctls without a
+                    // kernel change (see b/196635431). Until it's possible, use
+                    // xattr to expose what we need as an authfs specific API.
                     if name != CStr::from_bytes_with_nul(b"authfs.fsverity.digest\0").unwrap() {
                         return Err(io::Error::from_raw_os_error(libc::ENODATA));
                     }
diff --git a/authfs/src/fusefs/file.rs b/guest/authfs/src/fusefs/file.rs
similarity index 100%
rename from authfs/src/fusefs/file.rs
rename to guest/authfs/src/fusefs/file.rs
diff --git a/authfs/src/fusefs/mount.rs b/guest/authfs/src/fusefs/mount.rs
similarity index 100%
rename from authfs/src/fusefs/mount.rs
rename to guest/authfs/src/fusefs/mount.rs
diff --git a/authfs/src/main.rs b/guest/authfs/src/main.rs
similarity index 100%
rename from authfs/src/main.rs
rename to guest/authfs/src/main.rs
diff --git a/authfs/service/Android.bp b/guest/authfs_service/Android.bp
similarity index 100%
rename from authfs/service/Android.bp
rename to guest/authfs_service/Android.bp
diff --git a/authfs/TEST_MAPPING b/guest/authfs_service/TEST_MAPPING
similarity index 100%
copy from authfs/TEST_MAPPING
copy to guest/authfs_service/TEST_MAPPING
diff --git a/authfs/service/authfs_service.rc b/guest/authfs_service/authfs_service.rc
similarity index 100%
rename from authfs/service/authfs_service.rc
rename to guest/authfs_service/authfs_service.rc
diff --git a/authfs/service/src/authfs.rs b/guest/authfs_service/src/authfs.rs
similarity index 100%
rename from authfs/service/src/authfs.rs
rename to guest/authfs_service/src/authfs.rs
diff --git a/authfs/service/src/main.rs b/guest/authfs_service/src/main.rs
similarity index 100%
rename from authfs/service/src/main.rs
rename to guest/authfs_service/src/main.rs
diff --git a/compos/compos_key_helper/Android.bp b/guest/compos_key_helper/Android.bp
similarity index 100%
rename from compos/compos_key_helper/Android.bp
rename to guest/compos_key_helper/Android.bp
diff --git a/compos/compos_key_helper/compos_key.cpp b/guest/compos_key_helper/compos_key.cpp
similarity index 100%
rename from compos/compos_key_helper/compos_key.cpp
rename to guest/compos_key_helper/compos_key.cpp
diff --git a/compos/compos_key_helper/compos_key.h b/guest/compos_key_helper/compos_key.h
similarity index 100%
rename from compos/compos_key_helper/compos_key.h
rename to guest/compos_key_helper/compos_key.h
diff --git a/compos/compos_key_helper/compos_key_main.cpp b/guest/compos_key_helper/compos_key_main.cpp
similarity index 100%
rename from compos/compos_key_helper/compos_key_main.cpp
rename to guest/compos_key_helper/compos_key_main.cpp
diff --git a/compos/compos_key_helper/compos_key_test.cpp b/guest/compos_key_helper/compos_key_test.cpp
similarity index 100%
rename from compos/compos_key_helper/compos_key_test.cpp
rename to guest/compos_key_helper/compos_key_test.cpp
diff --git a/compos/compos_key_helper/tests/AndroidTest.xml b/guest/compos_key_helper/tests/AndroidTest.xml
similarity index 100%
rename from compos/compos_key_helper/tests/AndroidTest.xml
rename to guest/compos_key_helper/tests/AndroidTest.xml
diff --git a/compos/Android.bp b/guest/compsvc/Android.bp
similarity index 100%
rename from compos/Android.bp
rename to guest/compsvc/Android.bp
diff --git a/compos/src/artifact_signer.rs b/guest/compsvc/src/artifact_signer.rs
similarity index 100%
rename from compos/src/artifact_signer.rs
rename to guest/compsvc/src/artifact_signer.rs
diff --git a/compos/src/compilation.rs b/guest/compsvc/src/compilation.rs
similarity index 100%
rename from compos/src/compilation.rs
rename to guest/compsvc/src/compilation.rs
diff --git a/compos/src/compos_key.rs b/guest/compsvc/src/compos_key.rs
similarity index 100%
rename from compos/src/compos_key.rs
rename to guest/compsvc/src/compos_key.rs
diff --git a/compos/src/compsvc.rs b/guest/compsvc/src/compsvc.rs
similarity index 100%
rename from compos/src/compsvc.rs
rename to guest/compsvc/src/compsvc.rs
diff --git a/compos/src/compsvc_main.rs b/guest/compsvc/src/compsvc_main.rs
similarity index 100%
rename from compos/src/compsvc_main.rs
rename to guest/compsvc/src/compsvc_main.rs
diff --git a/compos/src/fsverity.rs b/guest/compsvc/src/fsverity.rs
similarity index 100%
rename from compos/src/fsverity.rs
rename to guest/compsvc/src/fsverity.rs
diff --git a/authfs/aidl/Android.bp b/libs/authfs_aidl_interface/Android.bp
similarity index 100%
rename from authfs/aidl/Android.bp
rename to libs/authfs_aidl_interface/Android.bp
diff --git a/authfs/TEST_MAPPING b/libs/authfs_aidl_interface/TEST_MAPPING
similarity index 100%
copy from authfs/TEST_MAPPING
copy to libs/authfs_aidl_interface/TEST_MAPPING
diff --git a/authfs/aidl/com/android/virt/fs/AuthFsConfig.aidl b/libs/authfs_aidl_interface/com/android/virt/fs/AuthFsConfig.aidl
similarity index 100%
rename from authfs/aidl/com/android/virt/fs/AuthFsConfig.aidl
rename to libs/authfs_aidl_interface/com/android/virt/fs/AuthFsConfig.aidl
diff --git a/authfs/aidl/com/android/virt/fs/IAuthFs.aidl b/libs/authfs_aidl_interface/com/android/virt/fs/IAuthFs.aidl
similarity index 100%
rename from authfs/aidl/com/android/virt/fs/IAuthFs.aidl
rename to libs/authfs_aidl_interface/com/android/virt/fs/IAuthFs.aidl
diff --git a/authfs/aidl/com/android/virt/fs/IAuthFsService.aidl b/libs/authfs_aidl_interface/com/android/virt/fs/IAuthFsService.aidl
similarity index 100%
rename from authfs/aidl/com/android/virt/fs/IAuthFsService.aidl
rename to libs/authfs_aidl_interface/com/android/virt/fs/IAuthFsService.aidl
diff --git a/authfs/aidl/com/android/virt/fs/IVirtFdService.aidl b/libs/authfs_aidl_interface/com/android/virt/fs/IVirtFdService.aidl
similarity index 100%
rename from authfs/aidl/com/android/virt/fs/IVirtFdService.aidl
rename to libs/authfs_aidl_interface/com/android/virt/fs/IVirtFdService.aidl
diff --git a/compos/aidl/Android.bp b/libs/compos_aidl_interface/Android.bp
similarity index 100%
rename from compos/aidl/Android.bp
rename to libs/compos_aidl_interface/Android.bp
diff --git a/compos/aidl/com/android/compos/ICompOsService.aidl b/libs/compos_aidl_interface/com/android/compos/ICompOsService.aidl
similarity index 100%
rename from compos/aidl/com/android/compos/ICompOsService.aidl
rename to libs/compos_aidl_interface/com/android/compos/ICompOsService.aidl
diff --git a/compos/common/Android.bp b/libs/libcompos_common/Android.bp
similarity index 100%
rename from compos/common/Android.bp
rename to libs/libcompos_common/Android.bp
diff --git a/compos/common/binder.rs b/libs/libcompos_common/binder.rs
similarity index 100%
rename from compos/common/binder.rs
rename to libs/libcompos_common/binder.rs
diff --git a/compos/common/compos_client.rs b/libs/libcompos_common/compos_client.rs
similarity index 100%
rename from compos/common/compos_client.rs
rename to libs/libcompos_common/compos_client.rs
diff --git a/compos/common/lib.rs b/libs/libcompos_common/lib.rs
similarity index 100%
rename from compos/common/lib.rs
rename to libs/libcompos_common/lib.rs
diff --git a/compos/common/odrefresh.rs b/libs/libcompos_common/odrefresh.rs
similarity index 100%
rename from compos/common/odrefresh.rs
rename to libs/libcompos_common/odrefresh.rs
diff --git a/compos/common/timeouts.rs b/libs/libcompos_common/timeouts.rs
similarity index 100%
rename from compos/common/timeouts.rs
rename to libs/libcompos_common/timeouts.rs
diff --git a/compos/service/Android.bp b/libs/service-compos/Android.bp
similarity index 100%
rename from compos/service/Android.bp
rename to libs/service-compos/Android.bp
diff --git a/compos/service/java/com/android/server/compos/IsolatedCompilationJobService.java b/libs/service-compos/java/com/android/server/compos/IsolatedCompilationJobService.java
similarity index 89%
rename from compos/service/java/com/android/server/compos/IsolatedCompilationJobService.java
rename to libs/service-compos/java/com/android/server/compos/IsolatedCompilationJobService.java
index 933ac7a..adc0300 100644
--- a/compos/service/java/com/android/server/compos/IsolatedCompilationJobService.java
+++ b/libs/service-compos/java/com/android/server/compos/IsolatedCompilationJobService.java
@@ -52,14 +52,16 @@
         ComponentName serviceName =
                 new ComponentName("android", IsolatedCompilationJobService.class.getName());
 
-        int result = scheduler.schedule(new JobInfo.Builder(STAGED_APEX_JOB_ID, serviceName)
-                // Wait in case more APEXes are staged
-                .setMinimumLatency(TimeUnit.MINUTES.toMillis(60))
-                // We consume CPU, power, and storage
-                .setRequiresDeviceIdle(true)
-                .setRequiresCharging(true)
-                .setRequiresStorageNotLow(true)
-                .build());
+        int result =
+                scheduler.schedule(
+                        new JobInfo.Builder(STAGED_APEX_JOB_ID, serviceName)
+                                // Wait in case more APEXes are staged
+                                .setMinimumLatency(TimeUnit.MINUTES.toMillis(60))
+                                // We consume CPU, power, and storage
+                                .setRequiresDeviceIdle(true)
+                                .setRequiresCharging(true)
+                                .setRequiresStorageNotLow(true)
+                                .build());
         if (result == JobScheduler.RESULT_SUCCESS) {
             IsolatedCompilationMetrics.onCompilationScheduled(
                     IsolatedCompilationMetrics.SCHEDULING_SUCCESS);
@@ -86,13 +88,14 @@
         if (oldJob != null) {
             // We're already running a job, give up on this one
             Log.w(TAG, "Another job is in progress, skipping");
-            return false;  // Already finished
+            return false; // Already finished
         }
 
         IsolatedCompilationMetrics metrics = new IsolatedCompilationMetrics();
 
-        CompilationJob newJob = new CompilationJob(IsolatedCompilationJobService.this::onCompletion,
-                params, metrics);
+        CompilationJob newJob =
+                new CompilationJob(
+                        IsolatedCompilationJobService.this::onCompletion, params, metrics);
         mCurrentJob.set(newJob);
 
         // This can take some time - we need to start up a VM - so we do it on a separate
@@ -108,7 +111,7 @@
                     metrics.onCompilationEnded(IsolatedCompilationMetrics.RESULT_FAILED_TO_START);
                     mCurrentJob.set(null);
                     newJob.stop(); // Just in case it managed to start before failure
-                    jobFinished(params, /*wantReschedule=*/ false);
+                    jobFinished(params, /* wantReschedule= */ false);
                 }
             }
         }.start();
@@ -137,7 +140,7 @@
         // On success we don't need to reschedule.
         // On failure we could reschedule, but that could just use a lot of resources and still
         // fail; instead we just let odsign do compilation on reboot if necessary.
-        jobFinished(params, /*wantReschedule=*/ false);
+        jobFinished(params, /* wantReschedule= */ false);
     }
 
     interface CompilationCallback {
@@ -152,7 +155,9 @@
         private final JobParameters mParams;
         private volatile boolean mStopRequested = false;
 
-        CompilationJob(CompilationCallback callback, JobParameters params,
+        CompilationJob(
+                CompilationCallback callback,
+                JobParameters params,
                 IsolatedCompilationMetrics metrics) {
             mCallback = requireNonNull(callback);
             mParams = params;
diff --git a/compos/service/java/com/android/server/compos/IsolatedCompilationMetrics.java b/libs/service-compos/java/com/android/server/compos/IsolatedCompilationMetrics.java
similarity index 77%
rename from compos/service/java/com/android/server/compos/IsolatedCompilationMetrics.java
rename to libs/service-compos/java/com/android/server/compos/IsolatedCompilationMetrics.java
index f7799a4..0419a55 100644
--- a/compos/service/java/com/android/server/compos/IsolatedCompilationMetrics.java
+++ b/libs/service-compos/java/com/android/server/compos/IsolatedCompilationMetrics.java
@@ -61,10 +61,11 @@
             ArtStatsLog.ISOLATED_COMPILATION_ENDED__COMPILATION_RESULT__RESULT_FAILED_TO_START;
     public static final int RESULT_JOB_CANCELED =
             ArtStatsLog.ISOLATED_COMPILATION_ENDED__COMPILATION_RESULT__RESULT_JOB_CANCELED;
-    public static final int RESULT_COMPILATION_FAILED = ArtStatsLog
-            .ISOLATED_COMPILATION_ENDED__COMPILATION_RESULT__RESULT_COMPILATION_FAILED;
-    public static final int RESULT_UNEXPECTED_COMPILATION_RESULT = ArtStatsLog
-            .ISOLATED_COMPILATION_ENDED__COMPILATION_RESULT__RESULT_UNEXPECTED_COMPILATION_RESULT;
+    public static final int RESULT_COMPILATION_FAILED =
+            ArtStatsLog.ISOLATED_COMPILATION_ENDED__COMPILATION_RESULT__RESULT_COMPILATION_FAILED;
+    public static final int RESULT_UNEXPECTED_COMPILATION_RESULT =
+            ArtStatsLog
+                    .ISOLATED_COMPILATION_ENDED__COMPILATION_RESULT__RESULT_UNEXPECTED_COMPILATION_RESULT;
     public static final int RESULT_COMPOSD_DIED =
             ArtStatsLog.ISOLATED_COMPILATION_ENDED__COMPILATION_RESULT__RESULT_COMPOSD_DIED;
     public static final int RESULT_FAILED_TO_ENABLE_FSVERITY =
@@ -78,8 +79,9 @@
     // Keep this in sync with Result enum in IsolatedCompilationScheduled in
     // frameworks/proto_logging/stats/atoms.proto
 
-    public static final int SCHEDULING_RESULT_UNKNOWN = ArtStatsLog
-            .ISOLATED_COMPILATION_SCHEDULED__SCHEDULING_RESULT__SCHEDULING_RESULT_UNKNOWN;
+    public static final int SCHEDULING_RESULT_UNKNOWN =
+            ArtStatsLog
+                    .ISOLATED_COMPILATION_SCHEDULED__SCHEDULING_RESULT__SCHEDULING_RESULT_UNKNOWN;
     public static final int SCHEDULING_FAILURE =
             ArtStatsLog.ISOLATED_COMPILATION_SCHEDULED__SCHEDULING_RESULT__SCHEDULING_FAILURE;
     public static final int SCHEDULING_SUCCESS =
@@ -104,16 +106,24 @@
         statsLogPostCompilation(result, JobParameters.STOP_REASON_UNDEFINED);
     }
 
-    private void statsLogPostCompilation(@CompilationResult int result,
-                @JobParameters.StopReason int jobStopReason) {
+    private void statsLogPostCompilation(
+            @CompilationResult int result, @JobParameters.StopReason int jobStopReason) {
 
-        long compilationTime = mCompilationStartTimeMs == 0 ? -1
-                : SystemClock.elapsedRealtime() - mCompilationStartTimeMs;
+        long compilationTime =
+                mCompilationStartTimeMs == 0
+                        ? -1
+                        : SystemClock.elapsedRealtime() - mCompilationStartTimeMs;
         mCompilationStartTimeMs = 0;
 
-        ArtStatsLog.write(ArtStatsLog.ISOLATED_COMPILATION_ENDED, compilationTime,
-                result, jobStopReason);
-        Log.i(TAG, "ISOLATED_COMPILATION_ENDED: " + result + ", " + compilationTime
-                + ", " + jobStopReason);
+        ArtStatsLog.write(
+                ArtStatsLog.ISOLATED_COMPILATION_ENDED, compilationTime, result, jobStopReason);
+        Log.i(
+                TAG,
+                "ISOLATED_COMPILATION_ENDED: "
+                        + result
+                        + ", "
+                        + compilationTime
+                        + ", "
+                        + jobStopReason);
     }
 }
diff --git a/compos/service/java/com/android/server/compos/IsolatedCompilationService.java b/libs/service-compos/java/com/android/server/compos/IsolatedCompilationService.java
similarity index 94%
rename from compos/service/java/com/android/server/compos/IsolatedCompilationService.java
rename to libs/service-compos/java/com/android/server/compos/IsolatedCompilationService.java
index b2fcbe0..95e365d 100644
--- a/compos/service/java/com/android/server/compos/IsolatedCompilationService.java
+++ b/libs/service-compos/java/com/android/server/compos/IsolatedCompilationService.java
@@ -60,7 +60,6 @@
             return;
         }
 
-
         JobScheduler scheduler = getContext().getSystemService(JobScheduler.class);
         if (scheduler == null) {
             Log.e(TAG, "No scheduler");
@@ -92,8 +91,9 @@
         private final IPackageManagerNative mPackageNative;
 
         static void registerForStagedApexUpdates(JobScheduler scheduler) {
-            final IPackageManagerNative packageNative = IPackageManagerNative.Stub.asInterface(
-                    ServiceManager.getService("package_native"));
+            final IPackageManagerNative packageNative =
+                    IPackageManagerNative.Stub.asInterface(
+                            ServiceManager.getService("package_native"));
             if (packageNative == null) {
                 Log.e(TAG, "No IPackageManagerNative");
                 return;
@@ -110,8 +110,7 @@
             }
         }
 
-        private StagedApexObserver(JobScheduler scheduler,
-                IPackageManagerNative packageNative) {
+        private StagedApexObserver(JobScheduler scheduler, IPackageManagerNative packageNative) {
             mScheduler = scheduler;
             mPackageNative = packageNative;
         }
diff --git a/compos/benchmark/Android.bp b/tests/ComposBenchmarkApp/Android.bp
similarity index 100%
rename from compos/benchmark/Android.bp
rename to tests/ComposBenchmarkApp/Android.bp
diff --git a/compos/benchmark/AndroidManifest.xml b/tests/ComposBenchmarkApp/AndroidManifest.xml
similarity index 100%
rename from compos/benchmark/AndroidManifest.xml
rename to tests/ComposBenchmarkApp/AndroidManifest.xml
diff --git a/compos/benchmark/AndroidTest.xml b/tests/ComposBenchmarkApp/AndroidTest.xml
similarity index 100%
rename from compos/benchmark/AndroidTest.xml
rename to tests/ComposBenchmarkApp/AndroidTest.xml
diff --git a/compos/benchmark/src/java/com/android/compos/benchmark/ComposBenchmark.java b/tests/ComposBenchmarkApp/src/java/com/android/compos/benchmark/ComposBenchmark.java
similarity index 100%
rename from compos/benchmark/src/java/com/android/compos/benchmark/ComposBenchmark.java
rename to tests/ComposBenchmarkApp/src/java/com/android/compos/benchmark/ComposBenchmark.java
diff --git a/compos/tests/Android.bp b/tests/ComposHostTestCases/Android.bp
similarity index 100%
rename from compos/tests/Android.bp
rename to tests/ComposHostTestCases/Android.bp
diff --git a/compos/tests/AndroidTest.xml b/tests/ComposHostTestCases/AndroidTest.xml
similarity index 100%
rename from compos/tests/AndroidTest.xml
rename to tests/ComposHostTestCases/AndroidTest.xml
diff --git a/compos/tests/java/android/compos/test/ComposTestCase.java b/tests/ComposHostTestCases/java/android/compos/test/ComposTestCase.java
similarity index 90%
rename from compos/tests/java/android/compos/test/ComposTestCase.java
rename to tests/ComposHostTestCases/java/android/compos/test/ComposTestCase.java
index b31f4f3..7a35829 100644
--- a/compos/tests/java/android/compos/test/ComposTestCase.java
+++ b/tests/ComposHostTestCases/java/android/compos/test/ComposTestCase.java
@@ -54,8 +54,7 @@
     // Binaries used in test. (These paths are valid both in host and Microdroid.)
     private static final String ODREFRESH_BIN = "/apex/com.android.art/bin/odrefresh";
     private static final String COMPOSD_CMD_BIN = "/apex/com.android.compos/bin/composd_cmd";
-    private static final String COMPOS_VERIFY_BIN =
-            "/apex/com.android.compos/bin/compos_verify";
+    private static final String COMPOS_VERIFY_BIN = "/apex/com.android.compos/bin/compos_verify";
 
     private static final String COMPOS_APEXDATA_DIR = "/data/misc/apexdata/com.android.compos";
 
@@ -111,10 +110,13 @@
         android.tryRun("rm", "-rf", ODREFRESH_OUTPUT_DIR);
 
         if (mBackupSystemServerCompilerFilter != null) {
-            CLog.d("Restore dalvik.vm.systemservercompilerfilter to "
-                    + mBackupSystemServerCompilerFilter);
-            getDevice().setProperty(SYSTEM_SERVER_COMPILER_FILTER_PROP_NAME,
-                    mBackupSystemServerCompilerFilter);
+            CLog.d(
+                    "Restore dalvik.vm.systemservercompilerfilter to "
+                            + mBackupSystemServerCompilerFilter);
+            getDevice()
+                    .setProperty(
+                            SYSTEM_SERVER_COMPILER_FILTER_PROP_NAME,
+                            mBackupSystemServerCompilerFilter);
         }
     }
 
@@ -143,8 +145,8 @@
         }
 
         // Save the expected checksum for the output directory.
-        String expectedChecksumSnapshot = checksumDirectoryContentPartial(android,
-                ODREFRESH_OUTPUT_DIR);
+        String expectedChecksumSnapshot =
+                checksumDirectoryContentPartial(android, ODREFRESH_OUTPUT_DIR);
 
         // --check may delete the output.
         CommandResult result = runOdrefresh(android, "--check");
@@ -166,8 +168,8 @@
         assertVmBccIsValid();
 
         // Save the actual checksum for the output directory.
-        String actualChecksumSnapshot = checksumDirectoryContentPartial(android,
-                ODREFRESH_OUTPUT_DIR);
+        String actualChecksumSnapshot =
+                checksumDirectoryContentPartial(android, ODREFRESH_OUTPUT_DIR);
 
         // Expect the output of Comp OS to be the same as compiled on Android.
         assertThat(actualChecksumSnapshot).isEqualTo(expectedChecksumSnapshot);
@@ -185,11 +187,12 @@
         assertThat(bcc_file).isNotNull();
 
         // Add the BCC to test artifacts, in case it is ill-formed or otherwise interesting.
-        mTestLogs.addTestLog(bcc_file.getPath(), LogDataType.UNKNOWN,
-                new FileInputStreamSource(bcc_file));
+        mTestLogs.addTestLog(
+                bcc_file.getPath(), LogDataType.UNKNOWN, new FileInputStreamSource(bcc_file));
 
         // Find the validator binary - note that it's specified as a dependency in our Android.bp.
-        File validator = getTestInformation().getDependencyFile("hwtrust", /*targetFirst=*/ false);
+        File validator =
+                getTestInformation().getDependencyFile("hwtrust", /* targetFirst= */ false);
 
         CommandResult result =
                 new RunUtil()
diff --git a/authfs/Android.bp b/tests/authfs/Android.bp
similarity index 60%
rename from authfs/Android.bp
rename to tests/authfs/Android.bp
index e04d5e1..aa814eb 100644
--- a/authfs/Android.bp
+++ b/tests/authfs/Android.bp
@@ -1,51 +1,3 @@
-package {
-    default_applicable_licenses: ["Android-Apache-2.0"],
-}
-
-rust_defaults {
-    name: "authfs_defaults",
-    crate_name: "authfs",
-    srcs: [
-        "src/main.rs",
-    ],
-    edition: "2021",
-    rustlibs: [
-        "authfs_aidl_interface-rust",
-        "libandroid_logger",
-        "libanyhow",
-        "libauthfs_fsverity_metadata",
-        "libbinder_rs",
-        "libcfg_if",
-        "libclap",
-        "libfsverity_digests_proto_rust",
-        "libfuse_rust",
-        "libhex",
-        "liblibc",
-        "liblog_rust",
-        "libnix",
-        "libopenssl",
-        "libprotobuf",
-        "librpcbinder_rs",
-        "libthiserror",
-    ],
-    prefer_rlib: true,
-    target: {
-        darwin: {
-            enabled: false,
-        },
-    },
-    defaults: [
-        "crosvm_defaults",
-        "avf_build_flags_rust",
-    ],
-}
-
-rust_binary {
-    name: "authfs",
-    defaults: ["authfs_defaults"],
-    apex_available: ["com.android.virt"],
-}
-
 rust_test {
     name: "authfs_device_test_src_lib",
     defaults: ["authfs_defaults"],
diff --git a/authfs/TEST_MAPPING b/tests/authfs/TEST_MAPPING
similarity index 100%
copy from authfs/TEST_MAPPING
copy to tests/authfs/TEST_MAPPING
diff --git a/authfs/tests/benchmarks/Android.bp b/tests/authfs/benchmarks/Android.bp
similarity index 100%
rename from authfs/tests/benchmarks/Android.bp
rename to tests/authfs/benchmarks/Android.bp
diff --git a/authfs/tests/benchmarks/AndroidTest.xml b/tests/authfs/benchmarks/AndroidTest.xml
similarity index 100%
rename from authfs/tests/benchmarks/AndroidTest.xml
rename to tests/authfs/benchmarks/AndroidTest.xml
diff --git a/authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java b/tests/authfs/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
similarity index 99%
rename from authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
rename to tests/authfs/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
index 085d06e..abda3e3 100644
--- a/authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
+++ b/tests/authfs/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
@@ -18,7 +18,6 @@
 
 import static com.android.tradefed.testtype.DeviceJUnit4ClassRunner.TestMetrics;
 
-
 import static org.junit.Assume.assumeFalse;
 import static org.junit.Assume.assumeTrue;
 
diff --git a/authfs/tests/benchmarks/src/measure_io.cpp b/tests/authfs/benchmarks/src/measure_io.cpp
similarity index 100%
rename from authfs/tests/benchmarks/src/measure_io.cpp
rename to tests/authfs/benchmarks/src/measure_io.cpp
diff --git a/authfs/tests/common/Android.bp b/tests/authfs/common/Android.bp
similarity index 100%
rename from authfs/tests/common/Android.bp
rename to tests/authfs/common/Android.bp
diff --git a/authfs/tests/common/src/java/com/android/fs/common/AuthFsTestRule.java b/tests/authfs/common/src/java/com/android/fs/common/AuthFsTestRule.java
similarity index 100%
rename from authfs/tests/common/src/java/com/android/fs/common/AuthFsTestRule.java
rename to tests/authfs/common/src/java/com/android/fs/common/AuthFsTestRule.java
diff --git a/authfs/tests/common/src/open_then_run.rs b/tests/authfs/common/src/open_then_run.rs
similarity index 100%
rename from authfs/tests/common/src/open_then_run.rs
rename to tests/authfs/common/src/open_then_run.rs
diff --git a/authfs/tests/hosttests/Android.bp b/tests/authfs/hosttests/Android.bp
similarity index 100%
rename from authfs/tests/hosttests/Android.bp
rename to tests/authfs/hosttests/Android.bp
diff --git a/authfs/tests/hosttests/AndroidTest.xml b/tests/authfs/hosttests/AndroidTest.xml
similarity index 100%
rename from authfs/tests/hosttests/AndroidTest.xml
rename to tests/authfs/hosttests/AndroidTest.xml
diff --git a/authfs/tests/hosttests/java/src/com/android/fs/AuthFsHostTest.java b/tests/authfs/hosttests/java/src/com/android/fs/AuthFsHostTest.java
similarity index 87%
rename from authfs/tests/hosttests/java/src/com/android/fs/AuthFsHostTest.java
rename to tests/authfs/hosttests/java/src/com/android/fs/AuthFsHostTest.java
index d0a7c66..0a27506 100644
--- a/authfs/tests/hosttests/java/src/com/android/fs/AuthFsHostTest.java
+++ b/tests/authfs/hosttests/java/src/com/android/fs/AuthFsHostTest.java
@@ -75,8 +75,8 @@
     @BeforeClassWithInfo
     public static void beforeClassWithDevice(TestInformation testInfo) throws Exception {
         AuthFsTestRule.setUpAndroid(testInfo);
-        assumeTrue(AuthFsTestRule.getDevice().supportsMicrodroid(/*protectedVm=*/ true));
-        AuthFsTestRule.startMicrodroid(/*protectedVm=*/ true);
+        assumeTrue(AuthFsTestRule.getDevice().supportsMicrodroid(/* protectedVm= */ true));
+        AuthFsTestRule.startMicrodroid(/* protectedVm= */ true);
         sAndroid = AuthFsTestRule.getAndroid();
         sMicrodroid = AuthFsTestRule.getMicrodroid();
     }
@@ -114,7 +114,7 @@
         // Setup
         runFdServerOnAndroid(
                 "--open-ro 3:input.4k --open-ro 4:input.4k.fsv_meta --open-ro"
-                    + " 6:input.4k1 --open-ro 7:input.4k1.fsv_meta",
+                        + " 6:input.4k1 --open-ro 7:input.4k1.fsv_meta",
                 "--ro-fds 3:4 --ro-fds 6:7");
         runAuthFsOnMicrodroid(
                 "--remote-ro-file 3:" + DIGEST_4K + " --remote-ro-file 6:" + DIGEST_4K1);
@@ -135,8 +135,7 @@
     public void testReadWithFsverityVerification_TamperedMerkleTree() throws Exception {
         // Setup
         runFdServerOnAndroid(
-                "--open-ro 3:input.4m --open-ro 4:input.4m.fsv_meta.bad_merkle",
-                "--ro-fds 3:4");
+                "--open-ro 3:input.4m --open-ro 4:input.4m.fsv_meta.bad_merkle", "--ro-fds 3:4");
         runAuthFsOnMicrodroid("--remote-ro-file 3:" + DIGEST_4M);
 
         // Verify
@@ -190,8 +189,12 @@
         // Action
         // Tampering with the first 2 4K-blocks of the backing file.
         assertThat(
-                writeZerosAtFileOffset(sAndroid, backendPath,
-                        /* offset */ 0, /* number */ 8192, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sAndroid,
+                                backendPath,
+                                /* offset */ 0, /* number */
+                                8192, /* writeThrough */
+                                false))
                 .isSuccess();
 
         // Verify
@@ -199,21 +202,33 @@
         // when the content is inconsistent to the known hash. Use direct I/O to avoid simply
         // writing to the filesystem cache.
         assertThat(
-                writeZerosAtFileOffset(sMicrodroid, destPath,
-                        /* offset */ 0, /* number */ 1024, /* writeThrough */ true))
+                        writeZerosAtFileOffset(
+                                sMicrodroid,
+                                destPath,
+                                /* offset */ 0, /* number */
+                                1024, /* writeThrough */
+                                true))
                 .isFailed();
 
         // A full 4K write does not require to read back, so write can succeed even if the backing
         // block has already been tampered.
         assertThat(
-                writeZerosAtFileOffset(sMicrodroid, destPath,
-                        /* offset */ 4096, /* number */ 4096, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sMicrodroid,
+                                destPath,
+                                /* offset */ 4096, /* number */
+                                4096, /* writeThrough */
+                                false))
                 .isSuccess();
 
         // Otherwise, a partial write with correct backing file should still succeed.
         assertThat(
-                writeZerosAtFileOffset(sMicrodroid, destPath,
-                        /* offset */ 8192, /* number */ 1024, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sMicrodroid,
+                                destPath,
+                                /* offset */ 8192, /* number */
+                                1024, /* writeThrough */
+                                false))
                 .isSuccess();
     }
 
@@ -231,8 +246,12 @@
         // Action
         // Tampering with the first 4K-block of the backing file.
         assertThat(
-                writeZerosAtFileOffset(sAndroid, backendPath,
-                        /* offset */ 0, /* number */ 4096, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sAndroid,
+                                backendPath,
+                                /* offset */ 0, /* number */
+                                4096, /* writeThrough */
+                                false))
                 .isSuccess();
 
         // Verify
@@ -258,8 +277,12 @@
         // Action
         // Tampering with the last 4K-block of the backing file.
         assertThat(
-                writeZerosAtFileOffset(sAndroid, backendPath,
-                        /* offset */ 4096, /* number */ 1, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sAndroid,
+                                backendPath,
+                                /* offset */ 4096, /* number */
+                                1, /* writeThrough */
+                                false))
                 .isSuccess();
 
         // Verify
@@ -470,15 +493,22 @@
         sAndroid.run("test -f " + androidOutputPath);
 
         // Action
-        String output = sMicrodroid.run(
-                // Open the file for append and read
-                "exec 4>>" + outputPath + " 5<" + outputPath + "; "
-                // Delete the file from the directory
-                + "rm " + outputPath + "; "
-                // Append more data to the file descriptor
-                + "echo -n 456 >&4; "
-                // Print the whole file from the file descriptor
-                + "cat <&5");
+        String output =
+                sMicrodroid.run(
+                        // Open the file for append and read
+                        "exec 4>>"
+                                + outputPath
+                                + " 5<"
+                                + outputPath
+                                + "; "
+                                // Delete the file from the directory
+                                + "rm "
+                                + outputPath
+                                + "; "
+                                // Append more data to the file descriptor
+                                + "echo -n 456 >&4; "
+                                // Print the whole file from the file descriptor
+                                + "cat <&5");
 
         // Verify
         // Output contains all written data, while the files are deleted.
@@ -531,27 +561,33 @@
 
         // Verify
         String[] actual = sMicrodroid.run("cd " + authfsOutputDir + "; find |sort").split("\n");
-        String[] expected = new String[] {
-                ".",
-                "./dir",
-                "./dir/dir2",
-                "./dir/dir2/dir3",
-                "./dir/dir2/dir3/file1",
-                "./dir/dir2/dir3/file2",
-                "./dir/dir2/dir3/file3",
-                "./file"};
+        String[] expected =
+                new String[] {
+                    ".",
+                    "./dir",
+                    "./dir/dir2",
+                    "./dir/dir2/dir3",
+                    "./dir/dir2/dir3/file1",
+                    "./dir/dir2/dir3/file2",
+                    "./dir/dir2/dir3/file3",
+                    "./file"
+                };
         assertEquals(expected, actual);
 
         // Add more entries.
         sMicrodroid.run("mkdir -p " + authfsOutputDir + "/dir2");
         sMicrodroid.run("touch " + authfsOutputDir + "/file2");
         // Check new entries. Also check that the types are correct.
-        actual = sMicrodroid.run(
-                "cd " + authfsOutputDir + "; find -maxdepth 1 -type f |sort").split("\n");
+        actual =
+                sMicrodroid
+                        .run("cd " + authfsOutputDir + "; find -maxdepth 1 -type f |sort")
+                        .split("\n");
         expected = new String[] {"./file", "./file2"};
         assertEquals(expected, actual);
-        actual = sMicrodroid.run(
-                "cd " + authfsOutputDir + "; find -maxdepth 1 -type d |sort").split("\n");
+        actual =
+                sMicrodroid
+                        .run("cd " + authfsOutputDir + "; find -maxdepth 1 -type d |sort")
+                        .split("\n");
         expected = new String[] {".", "./dir", "./dir2"};
         assertEquals(expected, actual);
     }
@@ -687,8 +723,9 @@
                 "yes $'\\x01' | tr -d '\\n' | dd bs=1 count=" + numberOfOnes + " of=" + filePath);
     }
 
-    private static CommandResult checkReadAt(CommandRunner runner, String filePath, long offset,
-            long size) throws DeviceNotAvailableException {
+    private static CommandResult checkReadAt(
+            CommandRunner runner, String filePath, long offset, long size)
+            throws DeviceNotAvailableException {
         String cmd = "dd if=" + filePath + " of=/dev/null bs=1 count=" + size;
         if (offset > 0) {
             cmd += " skip=" + offset;
@@ -696,10 +733,15 @@
         return runner.runForResult(cmd);
     }
 
-    private CommandResult writeZerosAtFileOffset(CommandRunner runner, String filePath, long offset,
-            long numberOfZeros, boolean writeThrough) throws DeviceNotAvailableException {
-        String cmd = "dd if=/dev/zero of=" + filePath + " bs=1 count=" + numberOfZeros
-                + " conv=notrunc";
+    private CommandResult writeZerosAtFileOffset(
+            CommandRunner runner,
+            String filePath,
+            long offset,
+            long numberOfZeros,
+            boolean writeThrough)
+            throws DeviceNotAvailableException {
+        String cmd =
+                "dd if=/dev/zero of=" + filePath + " bs=1 count=" + numberOfZeros + " conv=notrunc";
         if (offset > 0) {
             cmd += " seek=" + offset;
         }
diff --git a/authfs/testdata/README.md b/tests/authfs/testdata/README.md
similarity index 100%
rename from authfs/testdata/README.md
rename to tests/authfs/testdata/README.md
diff --git a/authfs/testdata/cert.der b/tests/authfs/testdata/cert.der
similarity index 100%
rename from authfs/testdata/cert.der
rename to tests/authfs/testdata/cert.der
Binary files differ
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