Merge "Add an overlay package to enable config_navBarDefaultTransparent" into...

Merge "Add an overlay package to enable config_navBarDefaultTransparent" into udc-dev am: ea79109b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21519267



Change-Id: I09737a13c6bbeb4041e479bac1b5c0e302cd58f7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>