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

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

Change-Id: I38f9be6bf523783a8e76d615f66f0a654054ca20
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>