Merge "Switch media fw hotword permission check to PermissionChecker (av)" into sc-dev

}

bool captureHotwordAllowed(const AttributionSourceState& attributionSource) {

    uid_t uid = VALUE_OR_FATAL(aidl2legacy_int32_t_uid_t(attributionSource.uid));

    uid_t pid = VALUE_OR_FATAL(aidl2legacy_int32_t_pid_t(attributionSource.pid));

    // CAPTURE_AUDIO_HOTWORD permission implies RECORD_AUDIO permission

    bool ok = recordingAllowed(attributionSource);

    if (ok) {

        static const String16 sCaptureHotwordAllowed("android.permission.CAPTURE_AUDIO_HOTWORD");

        ok = PermissionCache::checkPermission(sCaptureHotwordAllowed, pid, uid);

        // Use PermissionChecker, which includes some logic for allowing the isolated

        // HotwordDetectionService to hold certain permissions.

        permission::PermissionChecker permissionChecker;

        ok = (permissionChecker.checkPermissionForPreflight(

                sCaptureHotwordAllowed, attributionSource, String16(),

                AppOpsManager::OP_NONE) != permission::PermissionChecker::PERMISSION_HARD_DENIED);

    }

    if (!ok) ALOGV("android.permission.CAPTURE_AUDIO_HOTWORD");

    return ok;