SwitchPreference and SwitchPreferenceCompat are both TwoStatePreference.
Using TwoStatePreference in Java will helps migration in the future.
Bug: 306771414
Test: manual - check Settings pages
Change-Id: I84e1d7b09451106797c2b23d127855c6976678ca
New dev-option for enabling and disabling blurs, on devices that support
it.
Bug: 149792636
Test: manual
Test: atest EnableBlursPreferenceControllerTest
Change-Id: I26b4739a7b811c461557316a9247f6a9c397048a