[MagicAction] Created new layout for magic action button.

Note: Update the button shape, text color and font based on the latest spec of magic action.

Next
- Update the button animation

Bug: 383567383
Test: atest SmartActionScreenshotTest
Flag: com.android.systemui.notification_magic_actions_treatment
Change-Id: Ib36e8a18d7cab7030b58a2dd7a06057d06c62696