Update sub module.
Update sub module.

readium/SDKLauncher-Android,msintov/SDKLauncher-Android,msintov/SDKLauncher-Android,readium/SDKLauncher-Android,msintov/SDKLauncher-Android,readium/SDKLauncher-Android,msintov/SDKLauncher-Android,readium/SDKLauncher-Android