Update the media recommendation card UI for only showing recs from one

app.

Screenshots for new UI:
- http://screen/4zcR4ofEhA5tT3Z;
- http://screen/7SSKm6KkMFWEknM.

Also adjusted to make the layout fits the zoomed-in display.
Before fixes:
- http://screen/96aPMjUE5WC8thb;
- http://screen/6oFuAcemQ9PqnBa.
After fixes:
- http://screen/8F72QZ3SeXSSgV6;
- http://screen/5jfwr7GWuFoNJry.

Bug: 187944091
Fixes: 187827805
Test: Local builds
Change-Id: Id64a336891b45c39d14ce5f3b858cf1f019aa9fe