Merge "tab color change to match breadcrumb" into mainline-prod am: a847c20c am: bc9c05db am: 6a986ab0 am: f5f35957

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/DocumentsUI/+/14878164

Change-Id: Iefccc45ec67e61200f69f6d1084bd479ca2a3d78