Decrease icon size by steps

When the icon can't fit the cell size, decrease it by steps defined by UX until it fits or reach a minimum size.

Fix: 283929701
Test: DeviceProfileAlternativeDisplaysDumpTest
Test: DeviceProfileResponsiveAlternativeDisplaysDumpTest
Test: IconSizeStepsTest
Flag: ENABLE_RESPONSIVE_WORKSPACE
Change-Id: I2875b669c0a24ecd1c4d785a33e2cffb78c9fe76
4 files changed