Merge "Show USB flash drive in storage spinner when it's unmounted" into tm-dev am: e6389f63

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/18234986



Change-Id: I62f078bf87b5b8444b298839874a279bcee072c6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>