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

Merge "Add an overlay package to enable config_navBarDefaultTransparent" into udc-dev am: ea79109b am: 5ab4d297

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



Change-Id: Ie2e2f9521fb3208789798d84b36a03c0ed990009
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>