This updater is responsible for listening to USI stylus
battery usage, and bluetooth stylus connection, to determine
whether to show the USI stylus preference on the Connected devices
page.
Adds an entrypoint to the StylusUsiDetailsFragment that shows
details for USI styluses.
Bug: 250909304
Test: StylusDeviceUpdaterTest
Change-Id: I6ae6b6ef880b3b3cd7430d4d35d471b14283369f
dc2980d220