Use NotificationProgressDrawable for ProgressStyle notifications.

Also tint the indeterminate drawable with the color passed from the API.

Fixed a couple of bugs in NotificationProgressDrawable, caught by the
tests.

Flag: android.app.api_rich_ongoing
Bug: 367805202
Fix: 372907485
Test: post a ProgressStyle Notification
Test: patch ag/29675286 and run ProgressStyleNotificationScreenshotTest
Change-Id: I2449f755fa359278351986f17b8744f6e2bc5827