Styluses can now be identified using the newly added DEVICE_TYPE_STYLUS
metadata.
Bug: 251200056
Test: StylusDevicesControllerTest
Change-Id: Ie89f6419cd16ed97299944b35497c6b2ee764dab
The USI stylus settings fragment shows specific preferences
for USI stylus devices only.
There is currently no way to access this fragment from the UI.
Bug: 251201006
DD: go/stylus-connected-devices-doc
Test: StylusUsiHeaderControllerTest
Change-Id: I18223abc8113dce977f57f930ba701da0a34cc18