Merge "Reduce height of expanded media controls" into sc-dev am: 30a5f7a8...

Merge "Reduce height of expanded media controls" into sc-dev am: 30a5f7a8 am: d49e52c4 am: f49cef3a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15503759

Change-Id: I0be4c20a17452619dc9b2893d52f0bff46c75e4d