The default value for display in the radio buttons were hard-coded and was not
being reflected to the slider correctly.
Bug: 359379399
Test: locally tested + unit tests added
Flag: com.android.server.accessibility.enable_color_correction_saturation
Change-Id: I95bd0ae1d32561dbbf6b4e87efe70595c9566de8
We received feedback that slider should be disabled when it's not
applicable, namely when it's off and when mode == gray scale.
Bug: 351920992
Test: Locally tested + unit tests
Flag: com.android.server.accessibility.enable_color_correction_saturation
Change-Id: I1162a501a797a1d2b30da76f0c75e5fdea3f61d2