Merge "[Ongoing Call Chip] UI tweaks: Don't have the chip width change each...

Merge "[Ongoing Call Chip] UI tweaks: Don't have the chip width change each second, and hide the time if it's too large for the space available." into sc-dev am: 081ec338 am: 45723133

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14283205

Change-Id: I0059d9a8adc7213017dcb27b6622ab39f7703cdc