Boost colors and animation of suggested actions

Boost chroma of suggestion chips, so colors really pop.
Also delay the animation a bit, so timing matches

Bug: 383567383
Test: atest SmartReplyScreenshotTest
Flag: com.android.systemui.notification_animated_actions_treatment
Change-Id: I6c87e039e4b4edd859abbd2c2d2375383eaa2de7