Merge "Allow to load implicit layer from /vendor/app." into rvc-dev am:...

Merge "Allow to load implicit layer from /vendor/app." into rvc-dev am: 1371b76a am: f7acfa87 am: 1f6aca10 am: 80d4c4a2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11688191

Change-Id: I4aaa6fc51ee6c5d79a2d50c4723cbde4e05de9cb