ReaderSoftwareUpdateListener handles updates when checking for and installing
reader software updates.
You must implement the ability to update your reader's software in your app. Though we expect required software updates to be very rare, by using Stripe Terminal, you are obligated to include this functionality.
For more information, see the official Stripe docs: Software updates
Use of this SDK is subject to the Stripe Terminal Terms: https://stripe.com/terminal/legal
void onReportReaderSoftwareUpdateProgress(float progress)
The terminal reported progress on a reader software update.
progress- An estimate of the progress of the software update (in the range 0,1).