After `Settings > System > Languages & input` was separated into
`Settings > System > Languages` and `Settings > System > Keyboard`,
`On-device speech recognition` was lost. This CL adds it in the same
`Speech` preference category where it was before
and moves the category to `Settings > System > Languages`.
Bug: 278279110
Test: Manual, already existing robotests
Change-Id: I040c284dd3596f35ceacb6980ff89e611e29971c
1. Check open from a notification
2. Check open from Bluetooth entry
3. If the inputDeviceIdentifier is not null, open the next page
directly.
4. Add extra to record the class of sender for the future metrics.
Demo: http://screencast/cast/NDU4MTYxOTIzMTg4MzI2NHxiYTQ0ODE5Ny02YQ
Bug: 269212353
Test: manual, atest
[Pass] atest KeyboardSettingsPreferenceControllerTest
[Pass] atest PhysicalKeyboardPreferenceControllerTest
Change-Id: Ie874003260896bbb949806623913e70486e4731d
1. Separate "Keyboard" from "Language & input".
2. Use FeatureFlagUtils.SETTINGS_NEW_KEYBOARD_UI to control the
different UI until Settings launches the new UI design.
Bug: 242680328
Test: local test
Change-Id: Id1ea6d3e3c2e6b83bc4b4d835c6b27e31311c530
