initial Raspberry Vanilla AOSP 12 commit

* Audio
  - Based on AOSP hikey audio HAL:
    https://android.googlesource.com/device/linaro/hikey/+/refs/heads/master/audio/
  - ALSA based on Android-x86
  - ALSA loop is used to support HDMI audio on Pi 4 because VC4 HDMI
    audio devices use SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE that is not
    supported on Android
    https://github.com/raspberrypi/linux/issues/4651
    https://github.com/raspberrypi/linux/issues/4654

* Bluetooth
  - AOSP Broadcom vendor stack with some additional fixes from android-rpi

* Camera
  - libcamera for official Raspberry Pi CSI camera modules based on GloDroid
  - AOSP external camera HAL for UVC USB webcams:
    https://source.android.com/docs/core/camera/external-usb-cameras

* Graphics
  - OpenGL & Vulkan: upstream Mesa with GloDroid patches
  - Upstream drm_hwcomposer with force resolution patch from Android-x86 and
    my additional fixes
  - minigbm based on GloDroid

* Health
  - Based on AOSP cuttlefish health HAL

* Kernel
  - Merge of Raspberry Pi and AOSP common kernel with my additional fixes
    and configurations
    https://github.com/raspberrypi/linux
    https://android.googlesource.com/kernel/common/

* Lights
  - Based on LineageOS Xiaomi msm8996-common lights HAL

* suspend_blocker
  - Based on AOSP cuttlefish

* v4l2_codec2
  - Based on AOSP with my Raspberry Pi 4 specific fixes

* Wifi
  - AOSP Broadcom vendor stack with my additional fixes

health/Android.bp

@@ -0,0 +1,33 @@
+// Copyright (C) 2021-2022 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
+
+cc_binary {
+    name: "android.hardware.health@2.0-service.rpi",
+    init_rc: ["android.hardware.health@2.0-service.rpi.rc"],
+    vintf_fragments: ["android.hardware.health@2.0-service.rpi.xml"],
+    proprietary: true,
+    relative_install_path: "hw",
+    srcs: [
+        "HealthService.cpp",
+    ],
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+    static_libs: [
+        "android.hardware.health@2.0-impl",
+        "android.hardware.health@1.0-convert",
+        "libhealthservice",
+        "libbatterymonitor",
+        "libhealthstoragedefault",
+    ],
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "libhidlbase",
+        "libutils",
+        "android.hardware.health@2.0",
+    ],
+    header_libs: ["libhealthd_headers"],
+}

health/HealthService.cpp

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2021-2022 KonstaKANG
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <health2/service.h>
+#include <healthd/healthd.h>
+
+int main() {
+    return health_service_main();
+}
+
+void healthd_board_init(struct healthd_config*) {}
+
+int healthd_board_battery_update(struct android::BatteryProperties* battery_props) {
+    battery_props->chargerAcOnline = true;
+    battery_props->batteryLevel = 100;
+    return 0;
+}

health/android.hardware.health@2.0-service.rpi.rc

@@ -0,0 +1,5 @@
+service vendor.health-hal-2-0 /vendor/bin/hw/android.hardware.health@2.0-service.rpi
+    class hal
+    user system
+    group system
+    file /dev/kmsg w

health/android.hardware.health@2.0-service.rpi.xml

@@ -0,0 +1,11 @@
+<manifest version="1.0" type="device">
+    <hal format="hidl">
+        <name>android.hardware.health</name>
+        <transport>hwbinder</transport>
+        <version>2.0</version>
+        <interface>
+            <name>IHealth</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>