Set up framework of methods for RecordButton class

Added setTracks() method to update RecordButton progress
Added getBasePaint() method and initialized track paints
Added onSizeChanged method
Added main logic for onDraw() method
Added onClick method for recording activity
Added basic state transition logic for both classes

Created drawables for RecordButton.java
Added dimensions file for RecordButton.java - trackWidth and centerIconRadius

Test: "No Tests"
PiperOrigin-RevId: 201621063
Change-Id: I9a8d9bc275da5198f41c7a12d84ed26d90141e85