[Status bar refactor] Add Roaming to the mobile pipeline am: 2856487c83 am: e822c5753b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20664233

Change-Id: I030b6cafd9c861e1df3ef3f1b7819fec9ee5a30f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>