camera: switch external to apex

* Copy service definition from hardware/interfaces/camera/provider/default/.

camera/external/Android.bp

@@ -0,0 +1,34 @@
+// Copyright (C) 2025 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
+
+prebuilt_etc {
+    name: "android.hardware.camera.provider-V1-external-service.rc",
+    src: "android.hardware.camera.provider-V1-external-service.rc",
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.camera.provider-V1-external-service.xml",
+    src: "android.hardware.camera.provider-V1-external-service.xml",
+    sub_dir: "vintf",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.camera.external.rpi4",
+    manifest: "apex_manifest.json",
+    file_contexts: "apex_file_contexts",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
+    updatable: false,
+    vendor: true,
+
+    binaries: [
+        "android.hardware.camera.provider-V1-external-service",
+    ],
+    prebuilts: [
+        "android.hardware.camera.provider-V1-external-service.rc",
+        "android.hardware.camera.provider-V1-external-service.xml",
+    ],
+}

camera/external/android.hardware.camera.provider-V1-external-service.rc

@@ -0,0 +1,8 @@
+service vendor.camera.provider-ext /apex/com.android.hardware.camera.external.rpi4/bin/hw/android.hardware.camera.provider-V1-external-service
+    interface aidl android.hardware.camera.provider.ICameraProvider/external/0
+    class hal
+    user cameraserver
+    group audio camera input drmrpc usb
+    ioprio rt 4
+    capabilities SYS_NICE
+    task_profiles CameraServiceCapacity MaxPerformance

camera/external/android.hardware.camera.provider-V1-external-service.xml

@@ -0,0 +1,10 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.camera.provider</name>
+        <version>1</version>
+        <interface>
+            <name>ICameraProvider</name>
+            <instance>external/0</instance>
+        </interface>
+    </hal>
+</manifest>

camera/external/apex_file_contexts

@@ -0,0 +1,3 @@
+(/.*)?                                                           u:object_r:vendor_file:s0
+/etc(/.*)?                                                       u:object_r:vendor_configs_file:s0
+/bin/hw/android\.hardware\.camera\.provider-V1-external-service  u:object_r:hal_camera_default_exec:s0

camera/external/apex_manifest.json

@@ -0,0 +1,4 @@
+{
+    "name": "com.android.hardware.camera.external.rpi4",
+    "version": 1
+}

device.mk

@@ -52,10 +52,10 @@ PRODUCT_COPY_FILES += \
 
 # Camera
 PRODUCT_PACKAGES += \
-    android.hardware.camera.provider-V1-external-service
+    com.android.hardware.camera.external.rpi4
 
 PRODUCT_COPY_FILES += \
-    $(DEVICE_PATH)/camera/external_camera_config.xml:$(TARGET_COPY_OUT_VENDOR)/etc/external_camera_config.xml
+    $(DEVICE_PATH)/camera/external/external_camera_config.xml:$(TARGET_COPY_OUT_VENDOR)/etc/external_camera_config.xml
 
 PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.hardware.camera.external.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.external.xml

manifest.xml

@@ -17,12 +17,4 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl">
-        <name>android.hardware.camera.provider</name>
-        <version>1</version>
-        <interface>
-            <name>ICameraProvider</name>
-            <instance>external/0</instance>
-        </interface>
-    </hal>
 </manifest>