Implemented DialerFloatingActionButton

Implemented wrapper class for FloatingActionButton to resolve some of
FloatingActinButton's many issues. One of which is alllowing clicks while
animating that was causing a crash in NUI.

This change also fixes an issue with the dialpad exit animation.

Bug: 73995512
Test: Robolectric and Espresso don't support these kinds of tests very well
PiperOrigin-RevId: 187556390
Change-Id: I4cb7c2346a0ef09f2f3d8b48e7e14d01460cd1a7