Convert GesturesSettingPreferenceController to
TogglePreferenceController,
All of its children need follow the change,
add setter and robotest for them:
AssistGestureSettingsPreferenceController
DoubleTapPowerPreferenceController
DoubleTapScreenPreferenceController
DoubleTwistPreferenceController
PickupGesturePreferenceController
SwipeToNotificationPreferenceController
Change-Id: I792b2d370eea828bf345fb2b1cc3eac260eb66f4
Merged-In: I792b2d370eea828bf345fb2b1cc3eac260eb66f4
Fixes: 74913806
Fixes: 67998110
Fixes: 67998098
Fixes: 67998048
Fixes: 67998069
Fixes: 67997452
Test: make RunSettingsRoboTests
The preference controller shouldn't be shared between the
"Assist Gesture" parent setting, and the child setting within
Fixes: 64318213
Test: manual test of settings && make -j RunSettingsRoboTests
Change-Id: I2d2437e2036881a08977924dc1386aa1fab67070