Merge "Do not use hard-coded apex name" into main

#include <unistd.h>

#include <ctype.h>

#include <android-base/properties.h>

#include <android-base/stringprintf.h>

#include <ftl/enum.h>

#include <gui/constants.h>

#include <input/InputDevice.h>

#include <input/InputEventLabels.h>

using android::base::GetProperty;

using android::base::StringPrintf;

namespace android {

    // Treblized input device config files will be located /product/usr, /system_ext/usr,

    // /odm/usr or /vendor/usr.

    // These files may also be in the com.android.input.config APEX.

    const char* rootsForPartition[]{

            "/product",

            "/system_ext",

            "/odm",

            "/vendor",

            "/apex/com.android.input.config/etc",

            getenv("ANDROID_ROOT"),

    std::vector<std::string> pathPrefixes{

            "/product/usr/",

            "/system_ext/usr/",

            "/odm/usr/",

            "/vendor/usr/",

    };

    for (size_t i = 0; i < size(rootsForPartition); i++) {

        if (rootsForPartition[i] == nullptr) {

            continue;

    // These files may also be in the APEX pointed by input_device.config_file.apex sysprop.

    if (auto apex = GetProperty("input_device.config_file.apex", ""); !apex.empty()) {

        pathPrefixes.push_back("/apex/" + apex + "/etc/usr/");

    }

        path = rootsForPartition[i];

        path += "/usr/";

    // ANDROID_ROOT may not be set on host

    if (auto android_root = getenv("ANDROID_ROOT"); android_root != nullptr) {

        pathPrefixes.push_back(std::string(android_root) + "/usr/");

    }

    for (const auto& prefix : pathPrefixes) {

        path = prefix;

        appendInputDeviceConfigurationFileRelativePath(path, name, type);

#if DEBUG_PROBE

        ALOGD("Probing for system provided input device configuration file: path='%s'",