static File getIndividualCacheDirectory(Context context) {
        File cacheDir = getCacheDirectory(context);
        return new File(cacheDir, INDIVIDUAL_DIR_NAME);
    }
Returns individual application cache directory (for only video caching from Proxy). Cache directory will be
created on SD card <i>("/Android/data/[app_package_name]/cache/video-cache")</i> if card is mounted .
Else - Android defines cache directory on device's file system.

@param context Application context
@return Cache {@link File directory}
dkplayer-videocache/src/main/java/com/danikula/videocache/StorageUtils.java