Change the keys in the Language and Input screen for the
gesture and tts-output settings so they can be disabled
in search. Then change the preference controllers to take
a key as input to avoid crashes on the other screens with
these settings.
Test: make RunSettingsRoboTests
Bug: 33701673
Change-Id: Ifeb2a2d34a3efded3f0a9ba02ac76fd6f8ffd087
Merged-In: I8bc0776131fcac5a6edf7e8271bc53252c2fc719
The sensitivity control is only visible when the assist gesture itself
is enabled.
Test: make -j RunSettingsRoboTests; manual test on supported/unsupported
configurations.
Change-Id: I584975794c5cf9d788e93167292d142ae2faf1c5
