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

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

Change-Id: I972ab16f6597fbcef51d96ab0601db372dbd91ff